NAICS Code 423120 — Motor Vehicle Supplies and New Parts Merchant Wholesalers

National Industry in the official 2022 North American Industry Classification System (U.S. Census Bureau). It is the only national industry under 42312 (Motor Vehicle Supplies and New Parts Merchant Wholesalers).

Code	423120
Title	Motor Vehicle Supplies and New Parts Merchant Wholesalers
Level	National Industry (6-digit)
Edition	NAICS 2022 edition
SBA size standard	200 employees

Official definition (2022 NAICS)

This industry comprises establishments primarily engaged in the merchant wholesale distribution of motor vehicle supplies, accessories, tools, and equipment; and new motor vehicle parts (except new tires and tubes).

Is a business under 423120 "small"?

Under the SBA size standards (13 CFR 121.201, effective March 17, 2023), a business classified in NAICS 423120 qualifies as a small business if it does not exceed 200 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 423120 sits in the hierarchy

Level	Code	Title
Sector	42	Wholesale Trade
Subsector	423	Merchant Wholesalers, Durable Goods
Industry Group	4231	Motor Vehicle and Motor Vehicle Parts and Supplies Merchant Wholesalers
NAICS Industry	42312	Motor Vehicle Supplies and New Parts Merchant Wholesalers
National Industry	423120	Motor Vehicle Supplies and New Parts Merchant Wholesalers

Related SIC codes

Via the official U.S. Census concordance (1987 SIC ↔ NAICS), shown only where the industry definition is unchanged in NAICS 2022.

SIC code	Title
5013	Motor Vehicle Supplies and New Parts

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.