NAICS Code 336390 — Other Motor Vehicle Parts Manufacturing

National Industry in the official 2022 North American Industry Classification System (U.S. Census Bureau). It is the only national industry under 33639 (Other Motor Vehicle Parts Manufacturing).

Code	336390
Title	Other Motor Vehicle Parts Manufacturing
Level	National Industry (6-digit)
Edition	NAICS 2022 edition
SBA size standard	1,000 employees

Official definition (2022 NAICS)

This industry comprises establishments primarily engaged in manufacturing and/or rebuilding motor vehicle parts and accessories (except motor vehicle gasoline engines and engine parts, motor vehicle electrical and electronic equipment, motor vehicle steering and suspension components, motor vehicle brake systems, motor vehicle transmissions and power train parts, motor vehicle seating and interior trim, and motor vehicle stampings).

Illustrative Examples:

Air bag assemblies manufacturing

Air-conditioners, motor vehicle, manufacturing

Air filters, automotive, truck, and bus, manufacturing

Radiators and cores manufacturing

Catalytic converters, engine exhaust, automotive, truck, and bus, manufacturing

Compressors, motor vehicle air-conditioning, manufacturing

Mufflers and resonators, motor vehicle, manufacturing

Wheels (i.e., rims), automotive, truck, and bus, manufacturing

Is a business under 336390 "small"?

Under the SBA size standards (13 CFR 121.201, effective March 17, 2023), a business classified in NAICS 336390 qualifies as a small business if it does not exceed 1,000 employees. Small-business status determines eligibility for federal set-aside contracts, SAM.gov certifications and SBA loan programs — employee count is averaged over the latest 24 months.

Where 336390 sits in the hierarchy

Level	Code	Title
Sector	31-33	Manufacturing
Subsector	336	Transportation Equipment Manufacturing
Industry Group	3363	Motor Vehicle Parts Manufacturing
NAICS Industry	33639	Other Motor Vehicle Parts Manufacturing
National Industry	336390	Other Motor Vehicle Parts Manufacturing

No direct SIC mapping is shown for this code: it was introduced or redefined after the official 1987 SIC ↔ 2002 NAICS concordance. Use the crosswalk tool to explore related legacy codes.

Data: official 2022 NAICS structure, descriptions and Census concordances, U.S. Census Bureau — U.S. government works in the public domain (17 U.S.C. §105). Suggested reference, not an official determination.