Engine Component Manufacturers

Based in Romeo, MI, AFA Industries, Inc. manufactures dependable, high-quality, and reasonably-priced replacement engine components. They specialize in parts designed to fit major engine brands such as Cummins® and Detroit Diesel®, serving industrial and commercial customers.

Aichi Forge USA, Inc. specializes in custom impression die forging of powertrain components, including crankshafts and connecting rods for ICE and hybrid propulsion technology. Serving automotive, truck, and industrial markets, they offer comprehensive engineering, design, and in-house die manufacturing services, ensuring quality for critical engine parts.

Based in Santa Maria, CA, Alan Johnson Performance Engineering designs and provides a wide range of high-performance engine components. Their offerings include blocks, cylinder heads, rotating assemblies, valvetrain components, fuel systems, and superchargers for demanding applications.

American Casting Company, based in Hollister, California, provides precision investment casting services. They manufacture custom metal components for various industrial applications, including engine components. The company uses advanced capabilities to produce high-quality castings, supporting industries that require robust, engineered parts with efficient production.

Based in Southfield, MI, Angstrom USA operates as a tier 1 full-service supplier for Automotive and Industrial OEMs. The company provides high-quality products, leveraging innovative engineering capabilities. Angstrom USA manufactures components for demanding industrial applications, serving original equipment manufacturers directly.

Based in Fresno, CA, Auto Machine Specialties specializes in expert engine machining and reconditioning services. With a legacy since 1984, they craft high-performance engines and provide top-tier solutions for industrial engines, including heavy-duty diesel and power generators. They focus on precision, performance, and reliability.

Baril Engine Rebuilding, Inc. based in Green Bay, WI, provides precision machining and remanufacturing for engine components. Services include engine block prep, honing, crank magnafluxing, and flywheel resurfacing. They specialize in engine blocks, pistons, and connecting rods, catering to various automotive and racing applications.

Based in Windsor, CT, Barnes Aerospace is a global manufacturer of precision components for the aerospace industry. They partner with OEMs to manufacture machined and fabricated engine, airframe, and nacelle components, along with complex assemblies. The company also provides certified turbine engine component repair, overhaul, and modification services.

Based in Chatsworth, CA, Bear Block Motors is an automotive specialty manufacturer. The company specializes in producing high-performance engine components, including cylinder heads, engine blocks, and intake manifolds. They focus on elevating vehicle performance with precision-engineered parts for various automotive applications.

Based in Lehighton, PA, Blue Ridge Pressure Castings specializes in aluminum die casting and machining. The company provides high-quality, complex components and engineered solutions for demanding customers. They serve industries like automotive, heavy truck, and military, with a focus on manufacturing engine components.

Boostpower USA manufactures complete CNC machined high-performance engine blocks for race and pleasure marine applications. They offer deluxe engine block kits, long and short blocks, and comprehensive machine shop services. The company also builds custom automotive, offroad, and marine engines, providing custom EFI systems and performance components.

Based in Azusa, CA, California Amforge engineers robust forging solutions primarily for demanding Aerospace, Defense, and Power applications. The company specializes in manufacturing high-performance forged components crucial for critical engine systems, ensuring engineering success for its industrial customers.

Based in Ontario, CA, Caliber Diesel Machine Shop specializes in comprehensive diesel engine cylinder head services. They provide expert cylinder head rebuilding, resurfacing, valve jobs, and pressure checks, employing MagnaFlux crack detection. The company uses top-quality parts and skilled technicians for all repairs.

California Diesel Manufacturing Llc provides essential engine components for diesel fuel applications. Their product range includes actuator pillars, elite series solenoids, sensors, and O'ring kits. The company is committed to sustainability, offering carbon-neutral shipping on all e-commerce orders by funding verified carbon removal projects.

Based in Brea, CA, Consolidated Aerospace Manufacturing specializes in the production of precision-engineered nuts and fasteners. The company manufactures critical components primarily for the aerospace industry, ensuring high-quality parts for various applications, including engine assemblies and structural integrity.

Coast High Performance is a Southern California-based engine builder with 40+ years in high-performance race and hot rod engines. They manufacture and assemble a comprehensive range of engine components, including camshafts, connecting rods, crankshafts, cylinder heads, and pistons, alongside complete engine kits.

Based in Menlo Park, CA, Control Plastics manufactures custom plastic and metal components. Specializing in aluminum die casting, injection molding, and other casting methods, they also provide CNC machining and sheet metal services. The company offers prototyping to production for medical, military, and electronics industries.

Based in Denison, TX, Denison Industries specializes in precision machined aluminum castings and complex components for critical applications. The company provides sand casting foundry services, supplying industries such as aerospace, automotive, commercial, and military/defense. Their AS 9100 D & ISO 9001:2015 certified facility manufactures items including aircraft turbine engines and cast transmission housings.

Diesel USA Group provides complete coverage for genuine diesel parts, including critical engine components like turbochargers and fuel systems. The company specializes in comprehensive component repair and remanufacturing services. Their expertise ensures the restoration and functionality of essential diesel engine systems, serving various industrial and commercial applications.

Based in Cambridge, OH, D&J Precision Machine is a manufacturer specializing in the diesel performance industry. They produce custom engine parts, high-performance remanufactured cylinder heads, and complete engine builds. Utilizing precision machinery, D&J focuses on engineering excellence and craftsmanship for robust diesel applications.

Based in Santa Fe Springs, CA, Egge Machinery Company is a family-owned machine shop and direct manufacturer of engine components. They specialize in producing a comprehensive range of domestic vehicle pistons, including sets for classic and modern automotive applications, water pumps, and exhaust valves for the automotive aftermarket.

Based in Elgin, IL, Elgin Industries is a family-owned manufacturer of engine and chassis components for the transportation industry. They provide products for domestic and import automotive, heavy-duty engines, and performance applications, serving vehicle OEMs and engine rebuilders with TS16949 and ISO14001 certified quality.

Based in Piney Flats, TN, Engine Pro manufactures its own brand of high-performance and stock engine components for machine shops and professional engine builders. They also distribute a wide selection of engine parts from other popular suppliers. The company offers quality products and solutions to support business growth.

Based in Grand Haven, MI, Engine Power Components manufactures precision engine camshafts and balance shafts. The company collaborates with global engine manufacturers to provide strategic solutions and engineering expertise. They offer a range of products and services, serving a worldwide customer base from facilities in the US and abroad.

Enjet Aero manufactures precision machined and fabricated components and assemblies for jet engines, with a concentrated focus on hot-section engine parts. Operating from nine highly automated manufacturing locations, the company serves the commercial, defense, and general aviation industries.

Fleece Performance Engineering manufactures aftermarket diesel performance products. The company produces turbos, lift pumps, and Freedom Series cylinder heads and long blocks. They also supply specialized engine components such as thermostat housings, injector repair fittings, and fuel filters for various diesel applications.

Hardin Marine Performance Products manufactures a range of high-performance engine parts and accessories for the marine industry. Their product lines include engine components, cooling systems, exhaust systems, and superchargers. The company provides a comprehensive selection of parts designed for various marine applications and upgrades.

Based in Berkeley, CA, Hasselgren Engineering Inc. specializes in combustion engine components and services. The company offers precision automotive machining, fabrication, and custom parts manufacturing from its CNC machine shop. Capabilities include high-performance engine building, design services, rebuilds, tuning, and dyno testing.

Based in Carson, CA, IPD specializes in premium heavy-duty aftermarket engine parts, including complete engine rebuild kits and Caterpillar® 3500 cuffed liners. With 70 years of experience, the company ensures timely delivery via its global distribution and manufacturer presence, serving various industrial engine component needs.

Based in Scotts Valley, CA, JACO Machine Works is an ISO9001:2015 and AS9100D certified manufacturer of precision components and assemblies. They provide custom CNC machining services, including 5-axis, vertical milling, and screw machining. The company specializes in high-strength Titanium for aerospace and turbine applications.

Based in North Hollywood, CA, Kinetic Die Casting Company, Inc. produces custom die cast aluminum parts. The company offers manufacturing services for a variety of components, including those suitable for engine applications, serving industrial clients with precision aluminum castings.

Kinetic Engine Systems is an aerospace and defense industry supplier that manufactures ultra-complex aerospace engine components. The company provides expertise across all major engine product categories for commercial, business, military aircraft, and land and sea-based military platforms.

Based in Lakewood, NJ, Manley Performance manufactures high-performance engine components for various applications. They specialize in forged pistons, connecting rods, crankshafts, and valvetrain components. Their products are developed through decades of engine development and are made in the USA.

Melling Engine Parts manufactures high-performance oil pumps, camshafts, and valve train components. The company supplies these critical engine parts to both original equipment manufacturers and the automotive aftermarket.

Based in Rockford, IL, Modern Group manufactures custom industrial forgings and provides components like gears and shafts to industrial clients. With over 100 years of experience, they specialize in custom machining, high volume tube fabrication, CNC machining, and lathe turning services.

Based in Valencia, CA, MP Aero, LLC specializes in precision metal fabrication and manufacturing for aerospace components. Their capabilities include CNC and five-axis machining, forming, welding, and working with exotic alloys. They produce prototypes, assemblies, and sub-assemblies for the aerospace industry.

Based in Akron, OH, OGS Industries expertly manufactures metal engine components and precision transmission parts. With over 60 years of experience, the company provides high-quality, custom-engineered solutions for various industrial B2B customers, leveraging its expertise in metal fabrication.

Pentz Cast Solutions provides precision aluminum sand castings, leveraging in-house engineering, tooling, and prototyping services. Since 1972, the company has offered high-quality castings with CAD CAM designs and CNC machining capabilities, ensuring innovative solutions and fast turnaround times for diverse industrial parts.

Precise Cast specializes in manufacturing automotive prototype car parts and rapid aluminum prototypes. The company provides expertise in sand casting, producing critical engine components such as cylinder heads and engine blocks. They offer custom casting solutions for diverse automotive requirements, focusing on high-quality production.

Precision Engine Machine Company is a full-service automotive machine shop specializing in building custom engines for various performance needs. The company possesses the expertise and equipment to manufacture and assemble precision engine components, catering to specific automotive requirements.

Based in Rockford, IL, Precision Automotive Diesel offers comprehensive engine component rebuilding and automotive machine shop services since 1955. They provide genuine, surplus, and aftermarket engine parts for major brands like Cummins, Caterpillar, and Perkins. Services include crankshaft, connecting rod, and cylinder head inspection, grinding, and full rebuilds.

Based in McMinnville, TN, Precision Race Engines specializes in high-precision CNC machining services for engine components. The company provides custom billet parts and offers advanced CNC porting for race engines. They have been delivering specialized machine work since 1994, focusing on intricate and high-performance applications.

Based in Crown Point, IN, Precision Turbo & Engine manufactures high-performance aftermarket turbochargers and engine components. Specializing in turbocharger technology for street and race applications, they offer products including compressor covers, wheels, and boost control systems. The company is committed to delivering reliable boosted power for automotive excellence.

Based in Salisbury, NC, Prestige Motorsports designs and manufactures custom engine components. With in-house machining and engineering expertise, their technicians create unique, one-of-a-kind parts. The company also performs dyno testing to ensure optimal performance and quality for various automotive and motorsports applications.

Based in Paterson, NJ, Promar Precision Engines specializes in engine remanufacturing, bringing over 30 years of experience. The company provides quality and reliable rebuilt engines, which necessitates precision manufacturing, machining, and refurbishment of various engine components for industrial and commercial clients.

Protocast Inc. located in Commerce City, CO, manufactures turnkey castings and machined components using aluminum, magnesium, and zinc. They provide prototype to production solutions for global OEMs, specializing in engine parts for the automotive industry. Capabilities include precision sand, die, investment, and permanent mold casting.

RevPart offers rapid prototyping and manufacturing services, including 3D printing, CNC plastic and metal machining, urethane casting, and injection molding. They provide custom parts from prototype to production, serving diverse industries such as automotive, aerospace, and industrial sectors.

Based in Nashville, TN, S.B. International, Inc. was founded in 1982. The company supplies cylinder head components for a diverse range of engines, including automotive, light and medium-duty truck, heavy-duty diesel truck, agricultural tractor, marine, and industrial engine markets.

Based in Windsor, CA, Carroll Shelby Engine Company manufactures high-performance all-aluminum engines and components. It offers bare blocks, aluminum cylinder heads, intake manifolds, timing covers, water pumps, and various other parts for FE, Windsor, and 289 configurations. All products are made in America.

Briggs & Stratton designs and manufactures a wide range of gasoline engines and their genuine OEM components. Customers can directly purchase replacement parts and complete engines through the official online store, serving various equipment applications.

Based in Alameda, CA, SKS Die Casting and Machining provides precision aluminum and zinc die casting services. The company manufactures custom machined components for the aerospace, automotive, semiconductor, and medical industries. With over 100,000 square feet of manufacturing space, SKS produces unique parts to customer specifications.

Snowline Engineering is an aerospace manufacturer specializing in custom sub-assembly parts and components. Established in 1966, the company provides manufacturing services for the aerospace industry, producing custom components for various applications.

Stahl Specialty Company manufactures precision-engineered aluminum castings, specifically designed to perform reliably in demanding engine environments. With over 75 years of experience in the U.S. they provide high-quality, durable cast components essential for industrial engine systems, catering to B2B customers requiring robust solutions.

Trace-A-Matic Corporation, based in Brookfield, WI, is a precision machine shop specializing in high-precision engine and turbine component machining. Serving power generation, aerospace, and defense sectors, their US facilities utilize advanced CNC technology to produce complex, intricate parts from diverse materials like castings, forgings, and bar stock.

Based in Farmington Hills, MI, MAHLE Industries, Incorporated is a leading development partner and supplier to the automotive industry. The company specializes in advanced mobility solutions, including electric motors and e-bike systems, alongside traditional engine components. MAHLE is a pioneer for the mobility of the future.

Wehrli Custom Fabrication Inc. based in DeKalb, IL, specializes in high-performance diesel and custom metal fabrication. The company develops and offers products for the diesel performance industry, catering to truck enthusiasts. They provide components for work, play, performance, or racing applications, focusing on product innovation for trucks.

Wiegel offers precision progressive die heavy and high-speed stamping services, leveraging over 80 years of experience. They manufacture components from copper-based alloys, aluminum, ferrous, and exotic metals for various industrial applications. Capabilities include low-volume prototyping to multi-million-piece production runs requiring tight tolerances.

Arias Components provides quality, precise, and functional forged pistons, connecting rods, and related engine accessories. The company specializes in manufacturing these critical components, carrying on a tradition of producing high-performance parts for various engine applications and serving the automotive and industrial sectors.

Based in Akron, OH, American Engineering Group is an OEM manufacturer specializing in auto parts. They offer product development, mechanical engineering design, manufacturing, and rapid prototyping services. With ISO 9001 certification, they create service-ready designs and custom solutions for automotive, aerospace, defense, and energy industries.

Founded in 1968, Continental Forge specializes in manufacturing closed die conventional forgings. The company also produces precision near-net shape forged components. They serve industrial clients requiring durable, high-tolerance metal parts for various applications, including critical engine components.

Frigate.ai is a custom parts supplier providing casting services in the USA. They manufacture engine mounts, chassis parts, and various machined components for industrial assembly lines, supporting diverse manufacturing needs.

Based in Harbor Springs, MI, Moeller Aerospace specializes in manufacturing turbine airfoils and complex precision components for aerospace and industrial markets. The company utilizes advanced machining technologies, including milling, turning, grinding, and EDM. They also produce Click-Loc® secondary self-locking technology for critical systems.

Based in Rochester Hills, MI, 3-Dimensional Services Group specializes in manufacturing metal and plastic prototype and low-volume production parts and assemblies. They offer comprehensive in-house capabilities, including tooling design, CNC machining, and final assembly. Serving diverse industries, they ensure speed and quality for complex manufacturing needs.

Based in Statesville, NC, ABT Manufacturing, LLC. provides custom metal fabrication services, including CNC milling, turning, deep drawing, stamping, and laser cutting. They specialize in creating precision components for diverse industries such as automotive, aerospace, and military and defense, utilizing advanced fabrication techniques.

Based in Peoria, IL, Alcast Company is a USA-based aluminum foundry specializing in low-pressure permanent mold, semi-permanent mold, and sand casting. They produce high-quality, precision aluminum castings for various industries, including powertrain systems, serving OEMs and Tier 1 suppliers.

Based in Edgewater, FL, Bill Mitchell Products specializes in manufacturing high-performance engine components. Their product range includes carburetors, fuel systems, cylinder heads, engine blocks, rotating assemblies, and crankshafts, serving the automotive performance industry.

Based in Trenton, MI, Callies Precision Engine Components manufactures a wide range of precision engine parts. Their product line includes crankshafts, connecting rods, camshafts, engine blocks, rotating assemblies, bearings, pistons, and stud kits for various applications.

Based in Fort Smith, AR, Cloyes Gear & Products, Inc. manufactures high-quality timing kits and engine components. Specializing in timing drive systems, the company delivers complete kits and accessory drive components that meet or exceed OEM standards for various automotive applications, including high-performance and heavy-duty sectors.

Based in Gardena, CA, Custom Performance Racing focuses on providing custom components for the high-performance racing industry. The company manufactures or significantly modifies specialized engine and vehicle parts designed to enhance speed and durability in competitive environments.

Dart Machinery specializes in the engineering and manufacturing of high-performance engine components. They produce robust cast iron and aluminum engine blocks, cylinder heads, and intake manifolds for racing and performance street applications, focusing on maximum power and reliability.

Based in Torrance, CA, Donovan Engineering specializes in manufacturing aluminum racing engine blocks. With over 40 years of experience, the company produces high-performance engine components. They provide precision-engineered blocks to race engine builders, supporting customers who win by design.

Rehlko Engines, formerly known as Kohler Engines, is a global leader in engine technologies. The company manufactures a comprehensive suite of advanced engines, including diesel, gasoline, hybrid, and alternative fuel models. Rehlko develops and integrates essential engine components for its diverse range of power systems and industrial applications.

Based in Harbor City, CA, Hansen Engineering Company is an aerospace engineering shop specializing in manufacturing multi-axis parts and major structural assemblies. They provide in-house aerospace machining, assembly, and custom tooling solutions with a focus on quality assurance and quick turn times.

Based in Wheeling, IL, Hochman Fabrication & Speed specializes in custom-fabricated engine components, including manifolds and engine mounts. They provide precision-engineered parts designed to enhance performance and reliability for automotive enthusiasts, alongside a range of repair and installation services.

Based in Cleveland, OH, Interstate-McBee manufactures engine parts, fuel injectors/components, and gaskets. The company provides these essential components for the heavy-duty diesel and natural gas industries, reaching customers around the globe.

Based in Jasper, IN, JASPER is the nation's largest remanufacturer of gas and diesel engines, transmissions, differentials, marine engines, and sterndrives. The company also specializes in remanufacturing air and fuel components, providing high-quality, rebuilt parts for various industrial and commercial applications.

Based in Concord, CA, Joe's Engine Shop specializes in comprehensive engine building and repair services. The company provides precision machining for auto parts and performance engines, catering to stock, custom, classic, and high-performance vehicle applications with expertise and dedicated facilities.

Based in Bettendorf, IA, LeClaire Manufacturing Co specializes in producing low-weight, high-strength aluminum castings for engine components. They provide green sand and permanent mold casting, complex CNC machining, and tool & die manufacturing. The company emphasizes engineering expertise, tight tolerances, and on-time delivery as a single-source supplier.

Based in Ventura, CA, Maxwell Industries designs and fabricates engine components, including headers, intake systems, and oil pans. The company also builds race cars and manufactures suspension testing equipment for the mass transit and racing industry.

Based in Tulsa, OK, Memorial Machine provides comprehensive rebuilding and remanufacturing services for industrial gas and diesel engine components. With nearly 50 years of expertise, they specialize in engine blocks, cylinder heads, and connecting rods, serving oil and gas companies from their two Oklahoma facilities.

Based in Anaheim, CA, Moseys Production Machinists provides precision CNC machining services, including milling, turning, and Swiss machining. They offer high-quality production manufacturing for OEMs, serving diverse sectors such as Aerospace, Defense, Medical, Industrial, and Automotive, ensuring precise machined components.

Origin Engines specializes in the engineering and manufacturing of industrial engines. The company produces a complete line of industrial engines, providing comprehensive solutions for various industrial applications. Their capabilities extend to the design and production of critical engine components as part of their integrated manufacturing process.

PAI Industries, Inc. manufactures and distributes engine, gearing, and exhaust components for the heavy-duty truck industry. Based in Jurupa Valley, CA, the company utilizes cutting-edge precision machinery and advanced robotics in its US facilities, producing quality service parts since 1973.

Alliant Power specializes in remanufacturing diesel engine components, including fuel injectors, high-pressure fuel pumps, and turbos. The company focuses on providing new life to vital engine parts for various diesel applications.

Based in Chapin, SC, PCM Engines designs and manufactures high-quality engines specifically for inboard watersports. With over 45 years of experience, the company focuses on the precision engineering of every engine component to deliver performance and reliability for consumers.

Based in Arden, NC, Precision Products Performance Center manufactures internal engine components. They specialize in high-performance racing parts, producing essential items like wrist pins, valve locks, cam sleeves, valve seats, springs, and coated racing bearings.

Based in Taylor, MI, Specialty Engine Components is an IATF 16949 certified manufacturer with 50 years of experience. They produce precision products and assemblies, specializing in custom engine and transmission components with tight tolerances, including Johnson Lifters®. The company serves the automotive, agricultural, and maritime industries.

Quality Aluminum Forge specializes in precision, near net shaped, seamless aluminum forgings. The company also provides finished machined components and assemblies, offering comprehensive solutions for industrial customers requiring high-quality, lightweight aluminum parts for various applications.

Based in Camarillo, CA, Skurka Aerospace provides custom engineered solutions for the aerospace industry. The company specializes in manufacturing electric motors, speed pickup transducers, and starter generators. Skurka Aerospace delivers high-quality, specialized components for critical aerospace applications, supporting engine systems and auxiliary power.

Based in Tomahawk, WI, Steinhafel Precision Engines specializes in engine machining and custom-building services. They construct high-performance truck pulling and circle track racing engines for power and durability. The company also expertly rebuilds and restores classic and vintage engines, blending authenticity with enhanced reliability.

USA Performance Parts specializes in manufacturing high-performance engine components. They produce aluminum and cast iron racing engine blocks, rotating assemblies, short block kits, and XD rods. Catering to the performance and racing market, the company provides durable, powerful solutions for engine builders and enthusiasts seeking specialized parts.

Based in Paramount, CA, Weber Metals specializes in advanced metal forging. With over seven decades of experience, the company manufactures high-quality metal components. They serve the mobility sector, providing essential forged parts suitable for engine applications in automotive and aerospace industries.

CFM International manufactures commercial aircraft engines, including the CFM56 and LEAP series, through a joint venture between GE Aerospace and Safran Aircraft Engines. The company designs, develops, and produces advanced turbofan engines and their critical components. They also provide extensive service, support, and parts distribution worldwide.

GKN Aerospace is a global technology leader specializing in advanced aerostructures and engine systems for the aerospace industry. With significant US manufacturing facilities, they design and produce critical, high-performance engine components and structural parts for a wide range of commercial and defense aircraft applications.

Based in Hollywood, FL, HEICO Parts Group, a division of HEICO Corporation, specializes in manufacturing FAA-PMA approved engine and aircraft component parts. Serving commercial airlines, repair stations, and military operators, they provide a vast portfolio of high-quality, cost-effective replacement components for the aerospace sector.

Lycoming Engines is a prominent manufacturer specializing in piston aircraft engines for the general aviation market. With over 90 years of experience, the company produces a wide range of reliable engines and their integral components.

GM Powered Solutions designs and engineers advanced propulsion technologies, including engines, transmissions, and electrification solutions. They provide zero-tailpipe-emission hydrogen fuel cells and various engine models for marine, on-road, and industrial applications. Their powertrains are supplied to the marine industry.

Based in Dighton, MA, Precision Engine is a high-quality performance engine builder. They specialize in engine block preparation, cylinder head work, and parts preparation services. The company also supplies top-quality performance and OEM engine components, offering complete engine parts and service solutions for diverse applications.

Pursuit Aerospace is a global manufacturer of complex aircraft engine components, developed through highly integrated processes. Their skilled engineers optimize blueprint tolerances for efficient manufacturing, ensuring parts perform as intended. The company provides full-service, in-house solutions, focused on continually improving its people, processes, and products.

Qarbon Aerospace is a US-based manufacturer producing composite components and assemblies for structural and engine component needs. The company provides turnkey composite manufacturing solutions for fixed-wing and rotary aircraft, serving commercial and military aerospace industries.

Based in Vernon, CA, West Coast Foundry, LLC specializes in custom cast and machined components. They pour a wide variety of alloys for valve and pump applications, and supply OEMs in diverse sectors including US Navy ships, rocket engines, medical equipment, and automotive engines.