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Automotive Gasket Manufacturers

Last updated: January 2026

This directory lists 98 automotive gasket manufacturers across the United States, from custom die-cut solutions for prototyping to high-volume injection-molded elastomeric seals for production lines.

Buyers in this space are solving critical challenges like preventing fluid leaks in high-pressure oil systems, maintaining combustion chamber integrity under extreme thermal cycling, or ensuring long-term emissions compliance. They often grapple with specifying materials for aggressive fluid compatibility, achieving precise bolt load distribution across flanges, and managing the dynamic sealing requirements of engine components.

Manufacturers in this category range from specialized custom fabricators focused on low-volume, high-precision prototypes using advanced non-asbestos fiber (NAF) or graphitic materials, to large Tier 1 suppliers equipped for high-volume production of multi-layer steel (MLS) head gaskets or intricate injection-molded rubber seals. Some focus on specific material types (e.g., silicone, Viton, cork-rubber), while others offer a full suite of processes like die-cutting, molding, extrusion, and secondary operations for formed-in-place (FIP) applications.

To engage effectively, buyers must arrive with detailed engineering drawings, material specifications, anticipated environmental conditions (temperature range, chemical exposure), and projected annual volumes. Suppliers, especially those focused on OEM or Tier 1 programs, will expect an understanding of Production Part Approval Process (PPAP) requirements, including specific control plans, FMEAs, and dimensional layouts. Be prepared to discuss tooling costs and lead times early in the process.

A significant trend shaping this industry is the rapid shift towards electric vehicle (EV) platforms, which introduces entirely new sealing challenges, particularly for battery enclosures, thermal management systems, and electric motor housings. This demands gasket manufacturers capable of developing novel sealing materials with enhanced electromagnetic interference (EMI) shielding properties, superior thermal conductivity, and long-term durability in environments distinct from traditional internal combustion engines.

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Company Directory

98 companies nationwide

Age Nameplate

Santa Fe Springs, CA

Based in Santa Fe Springs, CA, Age Nameplate manufactures custom die-cut gaskets and insulators in various sizes and shapes. The company operates an LA factory, providing specialized manufacturing capabilities for diverse industry needs. They ship products across the U.S. and Mexico.

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Alpha Die Cutting

San Diego, CA

Based in San Diego, CA, Alpha Die Cutting manufactures industrial custom gaskets using diverse materials like plastic, rubber, foam, and paper. The company provides precise die cutting services, offering tailored solutions for specific applications. Alpha Die Cutting is certified to AS9100D/ISO9001:2015 standards, emphasizing quality and precision.

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American Rubber Corp

Chesterfield, IN

Based in Chesterfield, IN, American Rubber Corp manufactures custom and standard rubber components. They provide sealing solutions including gaskets, O-rings, seals, tubing, and extruded profiles. Serving the automotive, aerospace, marine, and pharmaceutical industries, they offer precision manufacturing from die design to mass production.

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Ames Rubber Manufacturing

Los Angeles, CA

Based in Los Angeles, CA, Ames Rubber Manufacturing is a custom rubber product manufacturer with over 70 years of experience. They specialize in molded, extruded, die-cut, and lathe-cut rubber gaskets, seals, and various components. The company offers sheet rubber and gasketing products, serving diverse industrial applications.

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The Artus Corporation

Englewood, NJ

Based in Englewood, NJ, The Artus Corporation provides shim and gasket solutions for diverse industries, including automotive, tech, and aeronautics. They offer various shim stock materials such as plastic, metal, brass, steel, and aluminum, along with polypropylene tape. The company focuses on delivering customized shim and gasket solutions for equipment needs.

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ASP Seal

Santa Ana, CA

ASP Seal produces and assembles its own industrial seals, also distributing major brands such as Flow Serve, Pac Seal, and Vulcan. Based in Santa Ana, CA, the company offers a comprehensive range of sealing solutions suitable for diverse industrial and commercial applications, including those within the automotive sector.

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Atlantic Gasket

Based in Philadelphia, PA, Atlantic Gasket manufactures high-quality custom gaskets, die-cut parts, and rubber molded components. Founded in 1947, the company utilizes advanced die-cutting and waterjet technologies, serving the automotive, appliance, and many other major industries globally.

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Auburn Manufacturing

Middletown, CT

Based in Middletown, CT, Auburn Manufacturing specializes in producing custom gaskets for diverse applications, including high temperature and high performance needs. The company maintains vast inventories of over 450 gasket materials, such as silicone and Poron foam, facilitating rapid fabrication of custom orders for industrial clients.

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Automated Gasket Corp

Based in St. Louis, MO, Automated Gasket Corp manufactures essential automotive components. They specialize in producing a variety of gaskets, seals, and gap fillers, providing these crucial parts efficiently and affordably. The company caters to the diverse needs of the automotive industry, focusing on quality and timely delivery.

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Bay Rubber Company

Concord, CA

Based in Concord, CA, Bay Rubber Company is a fabricating distributor and contract manufacturer specializing in seals and gaskets for the automotive and transportation markets. They offer CNC knife cutting, laser cutting, routing, engraving, and die cutting services for custom rubber products and components.

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Best Gasket

Santa Fe Springs, CA

Based in Santa Fe Springs, CA, Best Gasket specializes in manufacturing vintage automotive gaskets. The company has been producing these specialized sealing products for over 60 years, with 95% of its offerings proudly manufactured in the USA for the automotive industry.

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Birmingham Rubber & Gasket

Birmingham, AL

Based in Birmingham, AL, Birmingham Rubber & Gasket manufactures and distributes industrial rubber products, including gaskets, seals, and o-rings. They provide custom fabrication and waterjet cutting services for diverse industrial applications, with a focus on automotive and specialty items.

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Caliber Sealing Solutions

Corona, CA

Based in Corona, CA, Caliber Sealing Solutions manufactures precision custom and standard gaskets, o-rings, and rubber seals. Since 1983, they have delivered high-performance industrial sealing solutions, including molded and rubber-to-metal bonded components. This ISO 9001:2015 Certified company provides expertise.

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CB Performance

Farmersville, CA

Based in Farmersville, CA, CB Performance manufactures graphite compression gaskets specifically engineered for the extreme heat and pressures of high-performance automotive engines. The company also provides a range of high-performance engine components and machine shop services for the automotive industry.

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Clean Seal, Inc.

South Bend, IN

Based in South Bend, IN, Clean Seal, Inc. manufactures extruded rubber seals and gasket profiles, primarily serving the automotive and work truck industries. The company specializes in producing automotive hose, including dedicated DEF hose, and various sealing solutions for fleets and operations.

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Colvin Friedman Company

Petaluma, CA

Based in Petaluma, CA, Colvin Friedman Company manufactures high-volume, precision die-cut industrial gaskets and custom components for OEMs. The U.S.-based facility specializes in flatbed and rotary die cutting, delivering up to 40,000 parts per hour while maintaining tight tolerances.

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Cooper Standard

Cooper Standard provides advanced global sealing systems and fluid handling solutions, leveraging innovative design and materials science for diverse industries. They specialize in manufacturing HVAC sealing components and other high-performance automotive products, recognized for excellence and sustainable solutions.

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C.T. Gasket & Polymer Co.

C.T. Gasket & Polymer Co. leverages over a century of engineering expertise to manufacture high-quality custom exhaust gaskets and other specialized products. The company provides durable gasket solutions, applying extensive industry knowledge to meet diverse automotive application needs with precision and reliability for its clients.

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CFS

Franklin, WI

Based in Franklin, WI, CFS specializes in precision die cutting and custom rubber molding for flexible parts. The company manufactures die-cut and molded gaskets, seals, spacers, and thermal pads, using materials like silicone. CFS provides prototype to high-volume production runs for industrial OEMs.

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Custom Gasket Manufacturing LLC

Englewood Cliffs, NJ

Based in Englewood Cliffs, NJ, Custom Gasket Manufacturing LLC specializes in custom die-cut gaskets, seals, and molded rubber products. Capabilities include die cutting, rubber molding, rubber extruding, waterjet cutting, laser cutting, and flash cutting, providing rapid prototyping for various industrial applications.

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Elastostar Rubber Corporation

Plain City, OH

Elastostar Rubber Corporation, based in Plain City, OH, manufactures custom extruded silicone rubber gaskets and seals for industrial applications. The company provides design, engineering, and manufacturing of elastomer products for the automotive, aerospace, medical, and food sectors. They are certified to ISO 9001:2015, IATF 16949:2016, and AS 9100D.

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Exactseal Inc

Indianapolis, IN

Exactseal Inc. based in Indianapolis, IN, manufactures precision-engineered extruded and molded rubber products. This includes custom silicone rubber gaskets, O-rings, and various seals. The company serves diverse industrial applications and distributors, providing durable rubber components proudly made in the USA for consistent performance.

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Expert Gasket & Seal, LLC

Macedonia, OH

Based in Macedonia, OH, Expert Gasket & Seal, LLC provides custom gaskets and sealing solutions for OEMs and maintenance operations. Leveraging over 50 years of combined experience, they offer manufacturing capabilities and an extensive inventory to serve diverse industries, including automotive, with quick delivery.

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FedTech Inc.

Mounds View, MN

Based in Mounds View, MN, FedTech Inc. is a precision manufacturing shop offering waterjet, laser cutting, and machining services. They produce diverse gasket types, including automotive head, copper exhaust, and engine cylinder head gaskets. Committed to ISO 9001:2015 quality, they manufacture critical high-precision parts.

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FlexSeals (FS USA)

Clearwater, MN

Based in Clearwater, MN, FlexSeals (FS USA) manufactures high-performance custom automotive seals and gaskets. They specialize in rubber and plastic sealing solutions, including extruded profiles, edge trim, and bulb seals. FlexSeals engineers tailored components for OEMs and manufacturers across automotive, industrial, marine, and HVAC markets.

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Fournier Rubber & Supply Company

Columbus, OH

Fournier Rubber & Supply Company, based in Columbus, OH, has been an industrial rubber and supply specialist since 1933. They employ extensive gasket cutting equipment to produce custom die-cut gaskets tailored to client specifications. Handling both small-quantity and large orders, they serve a vast number of diverse industrial markets.

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Gasket Engineering Company

Kansas City, MO

Gasket Engineering Company, based in Kansas City, MO, manufactures precision automotive gaskets, engine gaskets, and seals. This ISO 9001:2015 certified company offers custom gaskets for diverse industries, leveraging over 60 years of expertise in die-cutting, dieless, and laser cutting techniques.

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GCN Supply, LLC

Rancho Cucamonga, CA

Based in Rancho Cucamonga, CA, GCN Supply, LLC specializes in precision die-cutting, injection molding, and custom fabrication of components. They provide gaskets, seals, and insulators from materials like foams, rubber, and adhesives for automotive OEMs and diverse industrial applications. The company is ISO 9001:2015 and IATF 16949 certified.

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HGC Industries

Indianapolis, IN

Based in Indianapolis, IN, HGC Industries specializes in sealing and stamping solutions, offering gasket manufacturing, molded rubber seals, and high-temperature applications. The IATF 16949 certified company has over 50 years of experience providing engineered solutions to the global marketplace.

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ICT Billet

ICT Billet manufactures high-quality LS intake manifold gaskets, specifically engineered for reliable and leak-free seals in automotive applications. Proudly made in the USA, the company also produces a variety of durable performance automotive parts, emphasizing precision engineering for optimal fit.

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Interstate Specialty Products, Inc.

Based in Taunton, MA, Interstate Specialty Products manufactures custom gaskets, seals, washers, and various die-cut parts. They specialize in materials like silicone, rubber, foam, and fiber, using die cutting and waterjet cutting processes. The company serves diverse industries, including automotive, aerospace, medical, and industrial sectors.

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Jaeger-Unitek Sealing Solutions, Inc.

La Porte, IN

Based in La Porte, IN, Jaeger-Unitek Sealing Solutions manufactures rubber and plastic parts, providing effective sealing solutions for various industries. The company supports the automotive, heavy truck & trailer, industrial, recreational vehicles, agriculture, and wind energy sectors. They combine German and Japanese production technologies.

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JBC Technologies

Elk Grove Village, IL

Based in Elk Grove Village, IL, JBC Technologies is a custom die-cutting converter specializing in gasketing and sealing solutions. They manufacture precision parts from flexible materials, offering EMI shielding, thermal interface, and acoustic gaskets for automotive and EV applications, protecting components and extending battery life.

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Leader Gasket Technologies

La Porte, TX

Leader Gasket Technologies develops and manufactures custom-made seals and gaskets for various OEM industries. They specialize in high-integrity solutions, including spiral wound, Kammprofile, PTFE, and semi-metallic gaskets, as well as extreme temperature LeaderTHERM NXT products.

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Lusida Rubber Products

Rosemead, CA

Based in Rosemead, CA, Lusida Rubber Products is a custom manufacturer of rubber gaskets and seals. They work with materials including Silicone, Neoprene, Nitrile, and EPDM. The company serves the Automotive and Heavy Trucking industries, providing components like engine mounts, air brake hoses, and other custom-built parts.

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MAHLE Aftermarket Inc.

Farmington Hills, MI

MAHLE Aftermarket Inc. based in Farmington Hills, MI, specializes in manufacturing extensive gasket product lines for the automotive aftermarket. They provide comprehensive gasket solutions for various applications, including medium and heavy-duty trucks and commercial marine vehicles.

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McDowell & Company

Richardson, TX

Based in Richardson, TX, McDowell & Company manufactures precision gaskets, O-rings, and seals. With over 50 years of experience, the company produces quality parts for optimal performance and emissions control in passenger cars, heavy-duty trucks, and off-highway vehicles, serving diverse industries including automotive.

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Mercer Gasket & Shim

Bellmawr, NJ

Based in Bellmawr, NJ, Mercer Gasket & Shim is a manufacturer of custom seals, gaskets, and other critical industrial components. The company provides high-quality products, including die-cut, waterjet cut, and molded gaskets, serving a wide array of industries such as automotive, aerospace, marine, and medical applications.

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Midwest Gasket Corp.

Milroy, IN

Based in Milroy, IN, Midwest Gasket Corp. specializes in manufacturing custom gaskets, molded parts, and O-rings. Operating since 1977, they provide high-quality sealing solutions with a focus on custom die-cut gaskets for diverse applications. The company inspects materials and tooling from receipt through final inspection.

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Miller Gasket Company

San Fernando, CA

Based in San Fernando, CA, Miller Gasket Company specializes in gasket manufacturing. The company is recognized for its innovation and quality within the gasket industry, serving diverse industrial clients. They produce custom and standard gaskets for various applications, ensuring precision and reliability for partners.

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Olson's Gaskets

Port Orchard, WA

Based in Port Orchard, WA, Olson's Gaskets supplies engine gaskets for antique cars, trucks, and tractors. They offer a large inventory of high-quality, USA-made products, including New Old Stock (NOS) head and manifold gaskets. The company caters to the antique vehicle hobbyist market.

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O-Rings West, Inc.

Lynnwood, WA

O-Rings West, Inc. specializes in custom molded rubber products and O-rings, serving automotive, aerospace, medical, and petrochemical industries. Established in 1996, the company offers custom sizing, a wide range of materials including Viton, EPDM, and Silicone, and quick turnaround on quotes. ISO 9001:2015 compliant.

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Pacific Die Cut Industries

Hayward, CA

Based in Hayward, CA, Pacific Die Cut Industries specializes in custom die-cut solutions for automotive, medical, electronic, and industrial markets. As a Tier 1 & 2 supplier to global automotive OEMs, they manufacture die-cut NVH, extruded, and laminated gaskets, seals, and decorative interior trim components.

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Paramount Gasket

Vista, CA

Based in Vista, CA, Paramount Gasket specializes in manufacturing high-quality custom gaskets, seals, and washers. They utilize advanced cutting technologies including CNC, waterjet, and die cutting, alongside light machining and shearing services. The company offers custom part design, reverse engineering, and ensures precision and durability for diverse material applications.

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Precision Gaskets

Precision Gaskets specializes in custom manufacturing diverse gaskets to client specifications. Leveraging years of experience and product knowledge, the company provides high-quality bespoke gasket solutions for various industrial applications. They focus on producing custom parts designed to meet precise engineering requirements for their clientele.

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Precix

Based in New Bedford, MA, Precix specializes in providing elastomeric sealing solutions for the automotive industry. The company manufactures seals and other elastomerics for critical components, including fuel systems and brake systems. Precix's expertise in sealing solutions extends to various applications on land, in water, and air.

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Pres-On

Pres-On manufactures custom, die-cut, and UL rated foam gaskets, along with conductive films and silicone products. They provide pre-cut gasket shapes for battery housing, EV battery cell protection, and charging station enclosures, directly serving the automotive electric vehicle market with specialized gasket solutions.

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Pensacola Rubber & Gasket Co.

Pensacola, FL

Based in Pensacola, FL, Pensacola Rubber & Gasket Co. specializes in high-quality elastomer solutions for manufacturing, automotive, and aerospace industries. They provide custom gaskets, seals, and rubber components, emphasizing durability and reliability. The company employs advanced processing techniques like waterjet cutting for custom gasket fabrication.

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Reiss Manufacturing, Inc.

Reiss Manufacturing, Inc. provides custom silicone rubber manufacturing, with in-house molding, extruding, and fabricating capabilities. This U.S.-based company offers silicone solutions for automotive components, including engine, electrical, and suspension systems, addressing challenges like heat and chemical resistance.

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Rubber Molded Products

Rubber Molded Products specializes in manufacturing high-quality molded rubber components. The company focuses on producing durable, precise, and high-performance rubber products by understanding specific industry challenges. They provide custom solutions for diverse industrial applications, including various types of seals and gaskets.

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SantopSeal

Based in Pittsburgh, PA, SantopSeal manufactures custom-cut gaskets, seals, and tubing. The company specializes in custom profile extrusions and die-less gasket manufacturing from various materials, including Santoprene™ TPV rubber sheets and custom extruded rubber parts for industrial applications.

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SCE Gaskets

Mount Pleasant, TN

Mount Pleasant, TN-based SCE Gaskets manufactures high-quality gaskets for automotive and industrial applications. The company also designs and produces specialized tooling, including die-cutting, blanking, and embossing equipment, vital for their comprehensive gasket production. A detailed product guide is available.

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SD Rubber & Gasket, Inc.

Chatsworth, CA

Based in Chatsworth, CA, SD Rubber & Gasket, Inc. specializes in manufacturing custom die-cut rubber, cork, and various gasket types. The company also produces extruded and molded parts, providing industrial customers with precision rubber and gasket components suitable for a wide range of applications, including automotive.

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Sealing Devices

Depew, NY

Based in Depew, NY, Sealing Devices manufactures and distributes industrial gaskets and seals. They produce die-cut and custom molded rubber gaskets for high and low-temperature applications, using commercial rubber, metallic, and foam materials. The company serves various industrial sectors and holds ISO9001:2015 certification.

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Seal Tech

Yorba Linda, CA

Seal Tech, based in Yorba Linda, CA, manufactures high-quality O-rings and custom molded rubber seals. They serve various industries, including automotive, medical products, and hydraulic fittings, providing extensive sealing product knowledge and special application compounding. The company maintains a large inventory of O-rings ready for immediate shipment.

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Speedmaster

Rialto, CA

Based in Rialto, CA, Speedmaster designs, engineers, and manufactures a wide array of automotive performance parts. With 40 years of experience, the company produces over 25,000 products, including specialized components like GM Powerglide transmission pan gaskets, catering to high-performance automotive needs.

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Standard Rubber Products

Elk Grove Village, IL

Based in Elk Grove Village, IL, Standard Rubber Products provides custom gasket manufacturing. They offer comprehensive gasket fabrication services using advanced cutting technologies. Managing projects from sourcing to shipping, they serve the automotive, electric vehicle, industrial, and aerospace industries with high-quality gasket solutions.

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SSP Seals

Hackettstown, NJ

Based in Hackettstown, NJ, SSP Seals manufactures custom oil, shaft seals, and gaskets for automotive and mechanical equipment. They specialize in producing machined parts for Original Equipment Manufacturers (OEMs), offering quick lead times, and accommodating prototypes and blanket orders for various industrial applications.

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TDC Manufacturing Inc.

Redlands, CA

Based in Redlands, CA, TDC Manufacturing Inc. specializes in producing gaskets and CNC machined products. The company offers exhaust gaskets for various engines, including the Iame X30, serving automotive and related industries with custom and standard manufacturing capabilities.

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Valley Seal Company

Woodland Hills, CA

Based in Woodland Hills, CA, Valley Seal Company manufactures custom-engineered components and sealing solutions. They produce standard O-rings and complex seals for diverse industrial applications, including the automotive and aerospace sectors. The company focuses on delivering precision-engineered products to meet specific client requirements.

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Vanguard Products Corporation

Danbury, CT

Based in Danbury, CT, Vanguard Products Corporation manufactures high-precision elastomeric fabricated goods. With over fifty years of experience, they specialize in custom extruded and molded gaskets and seals, including EMI/RFI shielding. They utilize high-quality silicone and engineered rubber materials for diverse industrial applications.

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WARCO

Orange, CA

Based in Orange, CA, WARCO manufactures automotive rubber components and sheets. They specialize in custom molded rubber parts, including gaskets, seals, bumpers, and bushings, utilizing materials such as Neoprene, Nitrile, and EPDM, tailored to meet specific industry requirements.

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Accurate Rubber Corp.

Conyers, GA

Based in Conyers, GA, Accurate Rubber Corp. manufactures a diverse range of custom silicone products. They specialize in extruded silicone gaskets and seals, custom o-rings, silicone tubing, and rubber strips. The company produces components for various industrial applications, serving clients with custom engineered solutions.

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Hutchinson

Hutchinson specializes in advanced body sealing solutions for the automotive industry. They are a global specialist manufacturing EPDM seals, thermoplastic seals, and glass encapsulations, with significant manufacturing capabilities and a workforce located in the United States.

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James Gaskets

Kingman, AZ

Based in Kingman, AZ, James Gaskets is a specialized manufacturer of high-quality seals, gaskets, and O-rings for the American V-Twin aftermarket. Since 1979, the company has produced a comprehensive range of engine and transmission gasket kits designed for motorcycles like Dyna, Softail, and Touring models, ensuring precision and durability for various automotive applications.

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LubeLocker, LLC

Dayton, NV

Based in Dayton, NV, LubeLocker, LLC manufactures high-performance automotive gaskets. They specialize in differential and transmission gaskets for a wide range of popular automotive brands, including Chevrolet, Ford, Jeep, Dodge, Toyota, Nissan, and Subaru. The company emphasizes quality and reliability for vehicle builds.

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O-Rings, Inc.

Los Angeles, CA

Based in Los Angeles, CA, O-Rings, Inc. is an American business established in 1958. The company supplies a comprehensive range of quality, made-in-the-USA specification O-Rings. Serving global customers across over 125 markets, it provides sealing solutions for diverse industrial applications, including those relevant to the automotive sector.

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Raybestos Powertrain

Crawfordsville, IN

Raybestos Powertrain manufactures premium automatic transmission components for both OE and aftermarket applications. The company specializes in friction clutch plates and offers automatic transmission pan gaskets made from diverse materials, including cork, nitrile, and molded rubber, engineered to OE standards.

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Rubber & Gasket Company of America

Muscle Shoals, AL

Rubber & Gasket Company of America is an employee-owned distribution and fabrication powerhouse specializing in custom hose assemblies, gaskets, and belting solutions. Serving the industrial rubber industry, RGA operates 18 stocking fabrication centers across numerous US states, providing tailored sealing products and services.

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Spec Rubber

Birmingham, AL

Based in Birmingham, AL, Spec Rubber is a long-standing rubber component manufacturer established in 1968. The company provides custom rubber solutions, delivering high-quality, NSF-61 certified products for industrial applications. They are recognized for their manufacturing excellence.

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Ace Seal

San Jose, CA

Based in San Jose, CA, Ace Seal manufactures rubber O-rings, seals, gaskets, and custom molded rubber products using various elastomers. The company provides a wide selection of stock items along with customization capabilities for diverse sealing solutions.

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Accurate Felt & Gasket

Cicero, IL

Based in Cicero, IL, Accurate Felt & Gasket manufactures high-precision custom gaskets and gasket materials. For over 70 years, they have provided customized sealing solutions for fluid and air leak issues across diverse applications, including the automotive industry, handling both large and small production runs.

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California Gasket & Rubber

Orange, CA

Based in Orange, CA, California Gasket & Rubber is a custom manufacturer of industrial sealing devices. Their Gasket Division produces parts of various sizes and shapes from diverse materials for industrial applications. The company, established in 1942, also offers rubber, metal, and hose products.

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Cometic Gasket

Concord, OH

Based in Concord, OH, Cometic Gasket manufactures a wide range of gaskets and engine sealing solutions. They specialize in high-performance sealing for automotive, powersport, marine, V-Twin, and OEM applications. Cometic also serves remanufactured engine, agricultural, and industrial sectors, offering millions of gasket applications.

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American Gasket & Die Co, Inc.

Grand Rapids, MI

Based in Grand Rapids, MI, American Gasket & Die Co, Inc. manufactures durable and reliable gaskets. The company's products are a preferred choice for various demanding applications, serving industries including automotive, aerospace, and general manufacturing sectors.

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Eutsler Technical Products, Inc.

Houston, TX

Based in Houston, TX, Eutsler Technical Products, Inc. manufactures precision custom rubber gaskets, specializing in irregular and odd shapes. They offer short and long-run production for industrial OEMs, utilizing diverse elastomers such as nitriles, EPDM, and fluor elastomers. The company is ISO 9001:2015 certified for quality.

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Fel-Pro

Lake Forest, IL

Fel-Pro manufactures innovative sealing solutions specifically for automotive engines and vehicle repair. The company produces a comprehensive range of high-quality gaskets, including complete gasket sets and individual seals like rear main seals, essential for maintaining engine integrity and performance. Fel-Pro supplies durable components for various automotive applications.

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Seal Innovations, Inc.

Santa Clara, CA

Based in Santa Clara, CA, Seal Innovations, Inc. manufactures and supplies a wide range of gasket products. The company provides these essential sealing solutions to various industries, likely including the automotive sector, from its US facilities.

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Grand Haven Gasket

Grand Haven, MI

Based in Grand Haven, MI, Grand Haven Gasket specializes in the manufacture and assembly of non-metallic gaskets, seals, spacers, adhesive pads, and liners. They provide custom sealing solutions for various industrial applications, focusing on precision non-metallic components. The company operates as an ISO 9001:2015 certified supplier.

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H-O Products Corporation

Winsted, CT

H-O Products Corporation manufactures standard and custom engineered gaskets. Their solutions are designed to withstand extreme temperatures, UV exposure, moisture, and harsh chemicals, making them ideal for automotive and aerospace applications. The company also offers custom tapes, pads, setting blocks, and bumpers.

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Hedman Performance Group

Hedman Performance Group manufactures automotive performance products for hot rod and custom vehicles. Established in 1954, the company produces a range of engine components including exhaust systems, headers, cooling system parts, fuel system parts, and gaskets.

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Hennig Gasket & Seals

Chicago, IL

Based in Chicago, IL, Hennig Gasket & Seals specializes in custom gasket and seal manufacturing. They produce a wide variety of gasket types, including EPDM, Fiber, Graphite, Neoprene, Nitrile, PTFE, and Silicone, utilizing diverse materials. The company provides tailored solutions for various industrial applications, ensuring precision and quality.

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Mr. Gasket

Mr. Gasket manufactures a comprehensive range of automotive gaskets, including head gaskets, exhaust gaskets, and oil pan gaskets. They provide essential sealing solutions for various automotive applications, ensuring perfect fit and performance. The company also offers related fasteners.

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Lamons

Houston, TX

Lamons, based in Houston, TX, is a large-scale manufacturer and distributor of custom gaskets, fasteners, and hoses. They provide comprehensive safety sealing and attachment solutions, offering both high-volume production and engineered-to-order solutions for diverse industrial needs with 24/7 availability.

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California Sealing Solutions

Santa Fe Springs, CA

Based in Santa Fe Springs, CA, California Sealing Solutions excels in the precision engineering and meticulous craftsmanship of o-rings. The company manufactures crucial sealing components, providing robust and reliable seals for diverse industrial and automotive applications. They focus on high-quality performance and custom solutions.

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PROSEALS

PROSEALS specializes in providing O-Rings for leading OEM manufacturers. The company develops custom compounds and offers engineering support for designing O-Ring glands. They serve industrial and automotive clients by ensuring reliable sealing solutions for various applications.

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Real Gaskets Tennessee

Real Gaskets Tennessee manufactures aerospace-grade silicone rubber valve cover gaskets primarily for automotive engines, including Ford, GM, Mopar, and Porsche. These reusable gaskets, made from AMS silicone, withstand temperatures up to 400°F, offering durable, leak-free solutions for various vehicle applications.

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Saunders Corp.

Irwindale, CA

Based in Irwindale, CA, Saunders Corp. is an engineered converting specialist offering custom gasket manufacturing. They provide die-cut, precision-cut, and laser-cut gaskets for diverse applications, utilizing a broad range of materials. Services include die-cutting, laminating, slitting, and assembly, delivering high-quality products with quick turnaround times.

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Seal & Design

Rochester, NY

Based in Rochester, NY, Seal & Design specializes in optimizing product performance through a range of industrial components. They provide seals, gaskets, hoses, and fabricated rubber components for various applications.

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Sur-Seal

Sur-Seal provides custom manufacturing for engineered components and materials, specializing in die-cut, molded, formed, and extruded products. They produce custom rubber gaskets of any size using various methods. As an Automotive Preferred Converter for 3M, Sur-Seal is AS9100 and ISO9001-certified.

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The O-Ring Store LLC

The O-Ring Store LLC is a U.S.-based OEM supplier specializing in O-rings, essential components for sealing applications. They provide fast, accurate sealing solutions to manufacturers, distributors, and maintenance teams, with O-rings suitable for critical uses in the automotive industry and other demanding manufacturing environments.

Phone available

TransTec

TransTec supplies branded transmission seal kits and components for the automotive aftermarket. Since 1978, the company has provided automatic transmission parts, bonded pistons, heavy-duty hydraulic, and power steering solutions. They cater to professional rebuilders, offering dependable components for diverse automotive applications.

Phone available

Victor Reinz

Victor Reinz manufactures high-density flat composite gaskets for automotive drivetrain solutions. They specialize in performance and specialty gaskets, including those for axles and transmission pans, serving light duty pickup trucks and commercial vehicles. Their products ensure reliability across a wide range of applications.

Phone available

West Coast Gasket

Santa Fe Springs, CA

West Coast Gasket, based in Santa Fe Springs, CA, manufactures industrial gaskets, molded products, and metal stampings. They provide custom sealing solutions and precision components for diverse industries, including the automotive, aerospace, and chemical processing sectors.

Phone available

H.B. Fuller

H.B. Fuller manufactures specialty chemical solutions, including advanced sealants and gaskets designed for critical automotive applications. They provide reliable moisture barriers for EV batteries with products like their EV Seal line, supporting maintenance and repair.

No contact on file

IGS Seals

IGS Seals manufactures high-quality rubber seals and gaskets for industrial, automotive, and commercial applications. Serving businesses across Southern California and beyond, the company focuses on delivering reliable sealing solutions. Their products adhere to strict industry standards, ensuring durability and performance for diverse operational needs.

No contact on file

Lydall Performance Materials

Lydall Performance Materials manufactures high-performance sealing solutions for diverse applications, including the automotive, heavy-duty diesel, and small engine industries. They are a specialty materials manufacturer providing comprehensive sealing products for transportation and industrial sectors.

No contact on file

MTI, Metal Tech Industries

Pawcatuck, CT

MTI, Metal Tech Industries, is a US-based custom gasket manufacturer providing precision-cut gaskets for diverse industrial applications, including automotive, aerospace, and power generation. They offer prototyping and high-volume production, utilizing advanced die-cutting and waterjet technologies across various material types.

No contact on file

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How to Choose a Company

  • Verify their in-house testing capabilities for critical parameters like torque retention, fluid compatibility, and thermal cycling performance, especially if your application involves high-pressure systems or extreme temperature differentials.
  • For any critical sealing application, confirm the manufacturer's experience with and adherence to IATF 16949 quality management systems and their proficiency in executing all five levels of the Production Part Approval Process (PPAP), including comprehensive FMEAs and control plans.
  • Scrutinize their material expertise beyond generic data sheets; inquire about their experience with specific elastomeric compounds (e.g., HNBR for high-temperature oil, FKM for fuel resistance) or advanced non-asbestos fiber (NAF) formulations under actual automotive operating conditions.
  • Be wary of manufacturers who underquote tooling costs and promise unrealistically short lead times for initial samples without fully reviewing your design for manufacturability (DFM) or discussing potential challenges with complex multi-layer steel (MLS) stamping or intricate injection molding geometries. This often signals a lack of experience or a tendency to cut corners.

Frequently Asked Questions

How does fluid compatibility specifically impact material selection for automotive gaskets?

Fluid compatibility is paramount and often underestimated. Beyond just the primary fluid (e.g., engine oil, coolant, fuel), consider additives, blow-by gases, and even cleaning agents used during assembly. A gasket material that performs well in a general oil application might rapidly degrade when exposed to specific synthetic lubricants or aggressive fuel additives. Manufacturers use specialized testing, like immersion tests at elevated temperatures, to simulate long-term exposure and ensure the elastomeric or fiber compound maintains its sealing properties, preventing issues like swelling, hardening, or chemical attack.

What are the key differences between a multi-layer steel (MLS) gasket and a formed-in-place (FIP) gasket for engine applications?

MLS gaskets are pre-fabricated, multi-layered metal sheets, often with elastomeric beads, offering robust static sealing for high-pressure and high-temperature environments like cylinder heads. They excel at accommodating dynamic movements between mating surfaces. FIP gaskets, on the other hand, are liquid or semi-liquid materials applied directly to a flange and cured in place, conforming precisely to complex geometries. FIPs are excellent for intricate parts, weight reduction, and reducing part count, but require precise application equipment and curing parameters. The choice depends on factors like joint design, pressure, temperature, assembly automation, and repairability.

What PPAP level should I typically expect for an aftermarket automotive gasket versus an OEM production part?

For an OEM production part, particularly for critical engine or transmission components, you should almost universally expect a full PPAP Level 3 submission, which includes all supporting documentation submitted to the customer. For aftermarket automotive gaskets, the required PPAP level can vary significantly. While a Level 1 (submission of warrant and data retention) or Level 2 (warrant with product samples and limited data) might be acceptable for some less critical or lower-volume applications, many reputable aftermarket suppliers still target Level 3 or higher to demonstrate robust quality processes and product reliability, especially for performance-oriented or direct-replacement parts.

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