NAICS 2022 nationalIndustry USA Verified: Census NAICS 2022 · 2026-01-01

NAICS 336310 — Motor Vehicle Gasoline Engine and Engine Parts Manufacturing

Motor Vehicle Gasoline Engine and Engine Parts Manufacturing

NAICS 336310 is the national industry code for motor vehicle gasoline engine and engine parts manufacturing establishments in the United States. The Small Business Administration sets a size standard of 1,050 for this classification. It forms part of the hierarchical North American Industry Classification System maintained by the Census Bureau.

SBA: 1,050 View full SBA standard

Exclusions & Cross-References

Activities classified under other official NAICS codes:

manufacturing diesel automotive and truck engine parts (See 333619 Other engine and power transmission equipment manufacturing (CAN))
manufacturing diesel engines and parts for motor vehicles (See 333619 Other engine and power transmission equipment manufacturing (CAN))
manufacturing electrical fuel pumps (See 336320 Motor vehicle electrical and electronic equipment manufacturing)
manufacturing transmission and power train equipment (See 336350 Motor vehicle transmission and power train parts manufacturing)

Official Illustrative Examples

Primary activities officially recognized by Census Bureau / Statistics Canada:

bearings (e.g., camshaft, crankshaft, connecting rod), automotive and truck gasoline engine, manufacturing crankshaft assemblies, automotive and truck gasoline engine, manufacturing cylinder heads, automotive and truck gasoline engine, manufacturing engine parts (except diesel), automotive and truck, manufacturing flywheels and ring gears, automotive and truck gasoline engine, manufacturing fuel injection systems and parts, automotive and truck gasoline engine, manufacturing gasoline engine parts, automotive and truck, manufacturing gasoline engines, automotive and truck, manufacturing hybrid engines, manufacturing manifolds (i.e., intake and exhaust), automotive and truck gasoline engine, manufacturing rebuilding automotive and truck gasoline engines timing gears and chains, automotive and truck gasoline engine, manufacturing

Complete Index of Activities (32 recognized activities) ▼

aircraft engine pistons, piston rings, intake and exhaust valves, manufacturing

assembly line, rebuilding of automotive and truck gasoline engines

bearings (e.g., camshaft, crankshaft, connecting rod), automotive and truck gasoline engine, manufacturing

cam shafts, automotive and truck gasoline engine, manufacturing

carburetors (except aircraft, motor vehicle), manufacturing

carburetors, aircraft engine, manufacturing

carburetors, motor vehicle engine, manufacturing

carburetors, motor vehicle engine, rebuilding on an assembly line

connecting rods, automotive and truck gasoline engine, manufacturing

crankshaft assemblies, automotive and truck gasoline engine, manufacturing

crankshafts and camshafts, re-grinding on a factory basis

cylinder heads, automotive and truck gasoline engine, manufacturing

engine block assemblies, automotive and truck gasoline engine, manufacturing

engine parts (except diesel), automotive and truck, manufacturing

engines, dual fuel systems for motor vehicles, manufacturing

flywheels and ring gears, automotive and truck gasoline engine, manufacturing

fuel injection systems and parts, automotive and truck gasoline engine, manufacturing

gasoline engine parts, automotive and truck, manufacturing

gasoline engines, automotive and truck, manufacturing

governors for automotive gasoline engines, manufacturing

hybrid engines, manufacturing

internal combustion gasoline engines, automotive and truck, manufacturing

manifolds (i.e., intake and exhaust), automotive and truck gasoline engine, manufacturing

motor cycle pistons and piston rings, manufacturing

motor vehicle engine pistons, piston rings, intake and exhaust valves, manufacturing

pistons and piston rings (except aircraft, motor vehicle), manufacturing

positive crankcase ventilation (PCV) valves, engine, manufacturing

pumps (e.g., fuel, oil, water), mechanical, automotive and truck gasoline engine (except power steering), manufacturing

pumps for mounting on internal combustion engines

rebuilding automotive and truck gasoline engines

rocker arms and assemblies, automotive and truck gasoline engine, manufacturing

timing gears and chains, automotive and truck gasoline engine, manufacturing

Official data

Feature	Description
Official name	North American Industry Classification System (NAICS) 2022
Issuing authority	U.S. Census Bureau with OMB, Statistics Canada, and INEGI
Tax authority	Internal Revenue Service (IRS)
Purpose	Statistical business classification and federal contracting (SAM.gov, SBA standards)
Used in	SAM.gov registration, SBA size determinations, IRS tax classification, SEC EDGAR (via SIC crosswalk)
Active since	2022 (current edition)
Hierarchy level	Sector (2-digit)
Source	https://www.census.gov/naics/