423140 — Motor Vehicle Parts (Used) Merchant Wholesalers
Description
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 (as defined in the official U.S. Census Bureau 2022 NAICS Manual).
Exclusions & Cross-References
- Dismantling motor vehicles for the purpose of selling scrap--are classified in Industry 423930, Recyclable
- Material Merchant Wholesalers; and
- Merchant wholesale distribution of new and/or used tires and tubes--are classified in Industry 423130, Tire
- and Tube Merchant Wholesalers.
Overview Facts
Legacy SIC Concordance
Trace the historical mapping chain from the 1987 Standard Industrial Classification (SIC) to the modern 2022 NAICS code format.
- SIC 5015 - Motor Vehicle Parts, Used (via SIC1987:5015→NAICS1997:42114→2002:423140→2007:423140→2012:423140→2017:423140→2022:423140)
Suggested Product Service Codes (Advisory)
The following Product Service Codes (PSCs) are advisory suggestions aligned with this NAICS code. Note: NAICS and PSC codes map to different dimensions of procurement (industry vs. product/service). There is no official binding 1:1 crosswalk.
- PSC H223 — Equipment and Materials Testing: Ground Effect Vehicles, Motor Vehicles, Trailers, and Cycles
Source: DoD DPCAP PSC Selection Tool (Ingested: 2026-06-29)
Frequently Asked Questions (FAQ)
Is NAICS code 423140 valid in 2022? ▾
Yes, 423140 is a valid 6-digit 2022 NAICS national industry code representing 'Motor Vehicle Parts (Used) Merchant Wholesalers' under Sector 42 in the official classification index.
What is the SBA size standard for NAICS code 423140? ▾
The Small Business Administration (SBA) has established a small business size standard of 125 employees for NAICS code 423140 (Motor Vehicle Parts (Used) Merchant Wholesalers), calculated based on employees.
What is the legacy SIC equivalent for NAICS 423140? ▾
According to official Census Bureau concordance tables, NAICS code 423140 (Motor Vehicle Parts (Used) Merchant Wholesalers) maps to legacy 1987 Standard Industrial Classification (SIC) codes: 5015 - Motor Vehicle Parts, Used.
Related Pages & Tools
Further regulatory reference links for NAICS code 423140:
- Sector 42 Directory Hub — List of related industries in the Wholesale Trade sector.
- SIC ↔ NAICS Crosswalk Tool — Look up mappings between legacy SIC codes and modern classifications.
- NAICS 423140 to SIC Crosswalk — Bidirectional mapping to legacy SIC codes (Motor Vehicle Parts (Used) Merchant Wholesalers).
- SBA Size Standards Guide — Complete rules and averaging periods for small business classifications.
- Calculating Annual Receipts Guide — Detailed worked example of revenue calculation rules.
- IRS Principal Business Activity Guide — How NAICS codes map to corporate and entity tax filings.