2022 NAICS national industry in sector 42 Wholesale Trade
423120 Motor Vehicle Supplies and New Parts Merchant Wholesalers
NAICS 423120 is the US industry code for motor vehicle supplies and new parts merchant wholesalers. It covers 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).
- Code
- 423120 (2022 NAICS)
- Title
- Motor Vehicle Supplies and New Parts Merchant Wholesalers
- Part of
- Motor Vehicle and Motor Vehicle Parts and Supplies Merchant Wholesalers
- SBA small business limit
- Up to 200 employees
- Closest UK SIC
- 45400, 46630 (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 motor vehicle supplies, accessories, tools, and equipment; and new motor vehicle parts (except new tires and tubes).
When to use a different code
Census classifies these close-sounding activities somewhere else. Businesses mainly engaged in:
- Merchant wholesale distribution of new and/or used tires and tubes are classified in Industry 423130, Tire and Tube Merchant Wholesalers.
- Merchant wholesale distribution of automotive chemicals (except lubricating oils and greases) are classified in Industry 424690, Other Chemical and Allied Products Merchant Wholesalers.
- Merchant wholesale distribution of lubricating oils and greases are classified in Industry 424720, Petroleum and Petroleum Products Merchant Wholesalers (except Bulk Stations and Terminals).
- Merchant wholesale distribution of used motor vehicle parts are classified in Industry 423140, Motor Vehicle Parts (Used) Merchant Wholesalers.
Activities listed under 423120
The Census index assigns these 40 activities to this code. If your business matches one, this is your code.
- Aftermarket parts, automotive, merchant wholesalers
- Auto body shop supplies merchant wholesalers
- Automobile accessories (except tires, tubes) merchant wholesalers
- Automobile glass merchant wholesalers
- Automobile service station equipment merchant wholesalers
- Automotive brakes merchant wholesalers
- Automotive parts, new, merchant wholesalers
- Automotive stampings merchant wholesalers
- Balancing equipment, motor vehicle, merchant wholesalers
- Batteries, automotive, merchant wholesalers
- Engine testing equipment, motor vehicle, merchant wholesalers
- Engines and parts, automotive, new, merchant wholesalers
- Gasoline marketing equipment merchant wholesalers
- Gasoline measuring and dispensing pumps merchant wholesalers
- Gasoline service station equipment merchant wholesalers
- Generators, motor vehicle electrical, new, merchant wholesalers
- Glass, automotive, merchant wholesalers
- Handtools, motor vehicle mechanics', merchant wholesalers
- Hardware, motor vehicle, merchant wholesalers
- Hoists, automotive, merchant wholesalers
- Mechanic's tools merchant wholesalers
- Mirrors, automotive, merchant wholesalers
- Motor vehicle instruments, electric, merchant wholesalers
- Motor vehicle parts and accessories, new, merchant wholesalers
- Motorcycle parts, new, merchant wholesalers
- Mufflers, exhaust, merchant wholesalers
- Oil filters, automotive, merchant wholesalers
- Parts, new, motor vehicle, merchant wholesalers
- Pistons and valves, automotive, merchant wholesalers
- Pumps (e.g., fuel, oil, power steering, water), automotive, merchant wholesalers
- Radiators, motor vehicle, merchant wholesalers
- Seat belts, motor vehicle, merchant wholesalers
- Seat covers, automotive, merchant wholesalers
- Shop equipment, service station, merchant wholesalers
- Testing and measuring equipment, electrical, automotive, merchant wholesalers
- Tools and equipment, motor vehicle, merchant wholesalers
- Trailer parts, new, merchant wholesalers
- Truck parts, new, merchant wholesalers
- Voltage regulators, motor vehicle, merchant wholesalers
- Wheels, motor vehicle, new, merchant wholesalers
SBA size standard for 423120
To count as a small business for SBA loans and federal contracts under NAICS 423120, your business (including affiliates) must not exceed 200 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, 4659, 4663), so treat them as a starting point and check the definition.
- 45400Sale, maintenance and repair of motorcycles and related parts and accessoriesUK SIC
- 46630Wholesale of mining, construction and civil engineering machineryUK SIC
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.