Establishments primarily engaged in manufacturing motor vehicle parts and accessories, but not engaged in manufacturing complete motor vehicles or passenger car bodies. Establishments primarily engaged in manufacturing or assembling complete automobiles and trucks are classified in Industry 3711; those manufacturing tires and tubes are classified in Industry 3011; those manufacturing automobile glass are classified in Major Group 32; those manufacturing automobile stampings are classified in Industry 3465; those manufacturing vehicular lighting equipment are classified in Industry 3647; those manufacturing ignition systems are classified in Industry 3694; those manufacturing storage batteries are classified in Industry 3691; and those manufacturing carburetors, pistons, piston rings, and engine intake and exhaust valves are classified in Industry 3592.
| Air brakes, motor vehicle | Hydraulic fluid power pumps for auto motive steering mechanisms |
| Automotive wiring harness sets, except ignition | Instrument board assemblies, motor vehicle |
| Axle housings and shafts, motor vehicle | Lubrication systems and parts, motor vehicle |
| Axles, motor vehicle | Manifolds, motor vehicle: gasoline engine |
| Ball joints, motor vehicle | Motor vehicle gasoline engine rebuilding on a factory basis |
| Bearings, motor vehicle: except ball and roller | Motor vehicle parts and accessories, except motor vehicle stampings |
| Brake drums | Mufflers, exhaust: motor vehicle |
| Brakes and brake parts, motor vehicle | Oil filters, motor vehicle |
| Bumpers and bumperettes, motor vehicle | Pipes, fuel: motor vehicle |
| Camshafts, motor vehicle gasoline engine | Power transmission equipment, motor vehicle |
| Cleaners, air: motor vehicle | Pumps, motor vehicle: oil, water, fuel, and power steering |
| Connecting rods, motor vehicle: gasoline engine | Radiators and radiator shells and cores, motor vehicle |
| Control equipment, motor vehicle: acceleration mechanisms and governers | Rear axle housings, motor vehicle |
| Crankshaft assemblies, motor vehicle: gasoline engine | Rebuilding motor vehicle gasoline engines and transmissions on a factory basis |
| Cylinder heads, motor vehicle: gasoline engines | Rims, wheel: motor vehicle |
| Defrosters, motor vehicle | Sanders, motor vehicle safety |
| Differentials and parts, motor vehicle | Shock absorbers, motor vehicle |
| Directional signals, motor vehicle | Steering mechanisms, motor vehicle |
| Drive shafts, motor vehicle | Thermostats, motor vehicle |
| Dump truck lifting mechanisms | Third axle attachments or six wheel units for motor vehicles |
| Engines and parts, except diesel: motor vehicle | Tie rods, motor vehicle |
| Exhaust systems and parts, motor vehicle | Tire valve cores |
| Fifth wheels | Tops, motor vehicle: except stamped metal |
| Filters: oil, fuel, and air—motor vehicle | Transmission housings and parts, motor vehicle |
| Frames, motor vehicle | Transmissions, motor vehicle |
| Fuel pumps, motor vehicle | Universal joints, motor vehicle |
| Fuel systems and parts, motor vehicle | Vacuum brakes, motor vehicle |
| Gas tanks, motor vehicle | Wheels, motor vehicle |
| Gears, motor vehicle | Windshield frames, motor vehicle |
| Governors, motor vehicle | Windshield wiper systems, all types |
| Heaters, motor vehicle | Winterfronts, motor vehicle |
| Hoods, motor vehicle | Wiring harness sets motor vehicles, except ignition |
| Horns, motor vehicle | |
| Codes |
Titles | Total Marketable US Businesses |
| 37140000 | Motor vehicle parts and accessories | 4,568 |
| 37140100 | Motor vehicle engines and parts | 333 |
| 37140101 | Acceleration equipment, motor vehicle | 30 |
| 37140102 | Camshafts, motor vehicle | 29 |
| 37140103 | Choker rods, motor vehicle | 2 |
| 37140104 | Cleaners, air, motor vehicle | 45 |
| 37140105 | Connecting rods, motor vehicle engine | 14 |
| 37140106 | Crankshaft assemblies, motor vehicle | 7 |
| 37140107 | Cylinder heads, motor vehicle | 39 |
| 37140108 | Differentials and parts, motor vehicle | 13 |
| 37140109 | Exhaust systems and parts, motor vehicle | 116 |
| 37140110 | Filters: oil, fuel, and air, motor vehicle | 62 |
| 37140111 | Fuel pipes, motor vehicle | 3 |
| 37140112 | Fuel pumps, motor vehicle | 17 |
| 37140113 | Fuel systems and parts, motor vehicle | 74 |
| 37140114 | Gas tanks, motor vehicle | 14 |
| 37140115 | Governors, motor vehicle | 2 |
| 37140116 | Lubrication systems and parts, motor vehicle | 16 |
| 37140117 | Manifolds, motor vehicle | 12 |
| 37140118 | Mufflers (exhaust), motor vehicle | 52 |
| 37140119 | Oil pump, motor vehicle | 9 |
| 37140120 | Oil strainers, motor vehicle | 4 |
| 37140121 | Propane conversion equipment, motor vehicle | 26 |
| 37140122 | Radiators and radiator shells and cores, motor vehicle | 47 |
| 37140123 | Rebuilding engines and transmissions, factory basis | 56 |
| 37140124 | Tie rods, motor vehicle | 5 |
| 37140125 | Water pump, motor vehicle | 21 |
| 37140200 | Motor vehicle transmissions, drive assemblies, and parts | 74 |
| 37140201 | Anti-sway devices, motor vehicle | 6 |
| 37140202 | Axle housings and shafts, motor vehicle | 13 |
| 37140203 | Axles, motor vehicle | 58 |
| 37140204 | Ball joints, motor vehicle | 1 |
| 37140205 | Bearings, motor vehicle | 15 |
| 37140206 | Clutches, motor vehicle | 37 |
| 37140207 | Drive shafts, motor vehicle | 62 |
| 37140208 | Gears, motor vehicle | 35 |
| 37140209 | Power transmission equipment, motor vehicle | 21 |
| 37140210 | Rear axle housings, motor vehicle | 9 |
| 37140211 | Transmission housings or parts, motor vehicle | 42 |
| 37140212 | Transmissions, motor vehicle | 109 |
| 37140213 | Universal joints, motor vehicle | 10 |
| 37140300 | Motor vehicle body components and frame | 133 |
| 37140301 | Bumpers and bumperettes, motor vehicle | 45 |
| 37140302 | Frames, motor vehicle | 11 |
| 37140303 | Hoods, motor vehicle | 3 |
| 37140304 | Shock absorbers, motor vehicle | 39 |
| 37140305 | Steering mechanisms, motor vehicle | 34 |
| 37140306 | Sun roofs, motor vehicle | 11 |
| 37140307 | Tops, motor vehicle | 15 |
| 37140308 | Wind deflectors, motor vehicle | 1 |
| 37140309 | Windshield frames, motor vehicle | 16 |
| 37140400 | Motor vehicle electrical equipment | 88 |
| 37140401 | Automotive wiring harness sets | 61 |
| 37140402 | Defrosters, motor vehicle | 1 |
| 37140403 | Directional signals, motor vehicle | 1 |
| 37140404 | Heaters, motor vehicle | 12 |
| 37140405 | Horns, motor vehicle | 4 |
| 37140406 | Instrument board assemblies, motor vehicle | 14 |
| 37140407 | Thermostats, motor vehicle | 5 |
| 37140408 | Windshield wiper systems, motor vehicle | 22 |
| 37140409 | Wipers, windshield, motor vehicle | 18 |
| 37140500 | Motor vehicle brake systems and parts | 129 |
| 37140501 | Air brakes, motor vehicle | 24 |
| 37140502 | Brake drums, motor vehicle | 11 |
| 37140503 | Vacuum brakes, motor vehicle | 0 |
| 37140600 | Motor vehicle steering systems and parts | 26 |
| 37140601 | Hydraulic fluid power pumps, for auto steering mechanism | 28 |
| 37140602 | Power steering equipment, motor vehicle | 18 |
| 37140700 | Motor vehicle wheels and parts | 69 |
| 37140701 | Tire valve cores | 3 |
| 37140702 | Wheel rims, motor vehicle | 46 |
| 37140703 | Wheels, motor vehicle | 82 |
| 37149901 | Air conditioner parts, motor vehicle | 45 |
| 37149902 | Booster (jump-start) cables, automotive | 11 |
| 37149903 | Dump truck lifting mechanism | 24 |
| 37149904 | Fifth wheel, motor vehicle | 5 |
| 37149905 | Ice scrapers and window brushes, motor vehicle | 2 |
| 37149906 | PCV valves | 1 |
| 37149907 | Sanders, motor vehicle safety | 12 |
| 37149908 | Third axle attachments or six wheel units for motor vehicles | 5 |
| 37149909 | Trailer hitches, motor vehicle | 31 |
| 37149910 | Winter fronts, motor vehicle | 2 |
| 37149911 | Pickup truck bed liners | 36 |
