| 2007 NAICS | 2012 NAICS | 2017 NAICS | Corresponding Index Entries | |||
| 336312 | 336310 | 336310 | Assembly line rebuilding of automotive and truck gasoline engines | |||
| 336312 | 336310 | 336310 | Bearings (e.g., camshaft, crankshaft, connecting rod), automotive and truck gasoline engine, manufacturing | |||
| 336311 | 336310 | 336310 | Carburetors, all types, manufacturing | |||
| 336312 | 336310 | 336310 | Connecting rods, automotive and truck gasoline engine, manufacturing | |||
| 336312 | 336310 | 336310 | Crankshaft assemblies, automotive and truck gasoline engine, manufacturing | |||
| 336312 | 336310 | 336310 | Cylinder heads, automotive and truck gasoline engine, manufacturing | |||
| 336312 | 336310 | 336310 | Engine block assemblies, automotive and truck gasoline, manufacturing | |||
| 336311 | 336310 | 336310 | Engine intake and exhaust valves manufacturing | |||
| 336312 | 336310 | 336310 | Engines and parts (except diesel), automotive and truck, manufacturing | |||
| 336312 | 336310 | 336310 | Flywheels and ring gears, automotive and truck gasoline engine, manufacturing | |||
| 336312 | 336310 | 336310 | Fuel injection systems and parts, automotive and truck gasoline engine, manufacturing | |||
| 336312 | 336310 | 336310 | Fuel pumps, mechanical, automotive and truck gasoline engine, manufacturing | |||
| 33631 | 336310 | 336310 | Gasoline engine parts, mechanical, automotive and truck, manufacturing | |||
| 33631 | 336310 | 336310 | Gasoline engines for hybrid automotive vehicles manufacturing | |||
| 336312 | 336310 | 336310 | Gasoline engines, automotive and truck, manufacturing | |||
| 336312 | 336310 | 336310 | Governors for automotive gasoline engines manufacturing | |||
| 336312 | 336310 | 336310 | Internal combustion engines, automotive and truck gasoline, manufacturing | |||
| 336312 | 336310 | 336310 | Manifolds (i.e., intake and exhaust), automotive and truck gasoline engine, manufacturing | |||
| 336311 | 336310 | 336310 | Pistons and piston rings manufacturing | |||
| 336312 | 336310 | 336310 | Positive crankcase ventilation (PCV) valves, engine, manufacturing | |||
| 336312 | 336310 | 336310 | Pumps (e.g., fuel, oil, water), mechanical, automotive and truck gasoline engine (except power steering), manufacturing | |||
| 336312 | 336310 | 336310 | Rebuilding automotive and truck gasoline engines | |||
| 336311 | 336310 | 336310 | Rings, piston, manufacturing | |||
| 336312 | 336310 | 336310 | Rocker arms and parts, automotive and truck gasoline engine, manufacturing | |||
| 336312 | 336310 | 336310 | Timing gears and chains, automotive and truck gasoline engine, manufacturing | |||
| 336311 | 336310 | 336310 | Valves, engine, intake and exhaust, manufacturing |