2022 NAICS national industry in sector 42 Wholesale Trade
423140 Motor Vehicle Parts (Used) Merchant Wholesalers
NAICS 423140 is the US industry code for motor vehicle parts (used) merchant wholesalers. It covers establishments primarily engaged in the merchant wholesale distribution of used motor vehicle parts (except used tires and tubes) and establishments primarily engaged in dismantling motor vehicles for the purpose of selling the parts.
- Code
- 423140 (2022 NAICS)
- Title
- Motor Vehicle Parts (Used) Merchant Wholesalers
- Part of
- Motor Vehicle and Motor Vehicle Parts and Supplies Merchant Wholesalers
- SBA small business limit
- Up to 125 employees
- Closest UK SIC
- 45400 (details)
Changes coming. The NAICS 2027 revision applies to data from 1 January 2027, and SBA proposed new size standards on 20 August 2026. The values on this page are the ones in force today; we update this page when the official files change.
Official definition
This industry comprises establishments primarily engaged in the merchant wholesale distribution of used motor vehicle parts (except used tires and tubes) and establishments primarily engaged in dismantling motor vehicles for the purpose of selling the parts.
When to use a different code
Census classifies these close-sounding activities somewhere else. Businesses mainly engaged in:
Activities listed under 423140
The Census index assigns these 6 activities to this code. If your business matches one, this is your code.
- Automotive parts, used, merchant wholesalers
- Generators, motor vehicle electrical, used, merchant wholesalers
- Junk yards, auto, merchant wholesalers
- Motor vehicle parts, used, merchant wholesalers
- Parts, used, motor vehicle, merchant wholesalers
- Used parts, motor vehicle, merchant wholesalers
SBA size standard for 423140
To count as a small business for SBA loans and federal contracts under NAICS 423140, your business (including affiliates) must not exceed 125 employees. Check your business.
Source: SBA table of size standards, effective March 17, 2023.
Closest UK SIC 2007 codes
There is no official one-to-one link between NAICS and UK SIC. These codes share the same international class (ISIC Rev. 4: 4530, 4540), so treat them as a starting point and check the definition.
Built from Census concordances 2022→2017 NAICS and 2017 NAICS→ISIC Rev. 4.
Similar codes to compare
Data last changed November 14, 2026. How this page is built.