423120 — Motor Vehicle Supplies and New Parts Merchant Wholesalers
Description
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).
Overview Facts
| NAICS Code | 423120 |
|---|---|
| Industry Title | Motor Vehicle Supplies and New Parts Merchant Wholesalers |
| SBA Size Standard | 200 employees |
| IRS PBA Code | 423100 (rolled-up match) |
| Sectors Hierarchy | Sector 42 → 423 → 4231 |
| Source / Verified | US Census 2022 NAICS Manual / 2026-06-28 |
Legacy SIC Concordance
Trace the historical mapping chain from the 1987 Standard Industrial Classification (SIC) to the modern 2022 NAICS code format.
- SIC 5013 - Motor Vehicle Supplies and New Parts (via SIC1987:5013→NAICS1997:42112→2002:423120→2007:423120→2012:423120→2017:423120→2022:423120)
Related Resources & Compliance Guides
Further regulatory reference links for NAICS code 423120:
- 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.
- 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.
Related Industries in 4231
Frequently Asked Questions (FAQ)
Is 423120 a valid 2022 NAICS code?
NAICS 423120 is 'Motor Vehicle Supplies and New Parts Merchant Wholesalers', a 2022 U.S. national industry under Sector 42 (Wholesale Trade); the SBA small-business size standard is 200 employees.
What is the SBA size standard for NAICS 423120?
The SBA small business size standard for NAICS 423120 is 200 employees (based on employees).
What is the legacy SIC code mapping for 423120?
NAICS code 423120 maps to the legacy 1987 SIC codes: 5013 - Motor Vehicle Supplies and New Parts.