336310

Motor Vehicle Gasoline Engine and Engine Parts Manufacturing

Manufacturing › Transportation Equipment Manufacturing › Motor Vehicle Parts Manufacturing

SBA Size Standard

1,050 employees

Employee-Based Verify at SBA.gov →

NAICS Code Hierarchy

33

Sector

Manufacturing

336

Subsector

Transportation Equipment Manufacturing

3363

Industry Group

Motor Vehicle Parts Manufacturing

336310

National Industry (This Code)

Motor Vehicle Gasoline Engine and Engine Parts Manufacturing

Official NAICS Description

Source: U.S. Census Bureau 2022 NAICS

📘 Source: U.S. Census Bureau — 2022 NAICS Manual
This industry comprises establishments primarily engaged in (1) manufacturing and/or rebuilding motor vehicle gasoline engines and engine parts and/or (2) manufacturing and/or rebuilding carburetors, pistons, piston rings, and engine valves, whether or not for vehicular use. Illustrative Examples: Carburetors, all types, manufacturing Crankshaft assemblies, automotive and truck gasoline engine, manufacturing Cylinder heads, automotive and truck gasoline engine, manufacturing Fuel injection systems and parts, automotive and truck gasoline engine, manufacturing Gasoline engines for hybrid automotive vehicles manufacturing Pistons and piston rings manufacturing Manifolds (i.e., intake and exhaust), automotive and truck gasoline engine, manufacturing Pumps (e.g., fuel, oil, water), mechanical, automotive and truck gasoline engine (except power steering), manufacturing Timing gears and chains, automotive and truck gasoline engine, manufacturing Valves, engine, intake and exhaust, manufacturing

✓ Small Business Eligibility at a Glance

Based on SBA Table of Small Business Size Standards (2024)

Size Standard

1,050 employees

Measurement Period

Current count

Standard Type

Employee-Based

Applies To

All contracts under NAICS 336310

Set-Aside Programs

8(a), WOSB, HUBZone, SDVOSB

Certification Required

No (self-certify in SAM.gov)

Size standards are set by the SBA and reviewed periodically. Always verify at SBA.gov before bidding.

Cross-References

The following activities are classified elsewhere in the NAICS system:

Manufacturing wiring harnesses and other vehicular electrical and electronic equipment--are classified in Industry 336320, Motor Vehicle Electrical and Electronic Equipment Manufacturing;
Manufacturing transmission and power train equipment--are classified in Industry 336350, Motor Vehicle Transmission and Power Train Parts Manufacturing;
Manufacturing radiators--are classified in Industry 336390, Other Motor Vehicle Parts Manufacturing;
Manufacturing steering and suspension components--are classified in Industry 336330, Motor Vehicle Steering and Suspension Components (except Spring) Manufacturing;
Manufacturing parts for machine repair and equipment parts (except electric) on a job or shop basis--are classified in Industry 332710, Machine Shops;
Manufacturing rubber and plastic belts and hoses without fittings--are classified in Industry 326220, Rubber and Plastics Hoses and Belting Manufacturing; and
Manufacturing stationary and diesel engines--are classified in U.S. Industry 333618, Other Engine Equipment Manufacturing.

How to Use NAICS 336310 in SAM.gov

NAICS code 336310Motor Vehicle Gasoline Engine and Engine Parts Manufacturing — is used in SAM.gov to identify businesses whose primary activity falls within this classification. When you add this code to your SAM.gov entity registration, contracting officers searching for vendors in the Motor Vehicle Parts Manufacturing space will be able to find your business.

If this code represents your primary business activity, designate it as your primary NAICS code. Your primary NAICS code determines your size standard for any contract solicited under this code. With a size standard of 1,050 employees, your business must be at or below this threshold to qualify as a small business for set-aside contracts under NAICS 336310.

Log in Entity Registration Goods & Services Add NAICS Code Enter 336310 Save

Frequently Asked Questions

What is NAICS code 336310?

NAICS code 336310 is 'Motor Vehicle Gasoline Engine and Engine Parts Manufacturing', classified under the Manufacturing sector (NAICS 33). This industry comprises establishments primarily engaged in (1) manufacturing and/or rebuilding motor vehicle gasoline engines and engine parts and/or (2) manufacturing and/or rebuilding carburetors,

What is the SBA small business size standard for NAICS code 336310?

The SBA defines a small business under NAICS code 336310 (Motor Vehicle Gasoline Engine and Engine Parts Manufacturing) as one with 1,050 employees. This size standard determines eligibility for small business set-aside contracts, 8(a), HUBZone, WOSB, and SDVOSB programs in SAM.gov.

How do I register NAICS code 336310 in SAM.gov?

To register NAICS code 336310 in SAM.gov: (1) Log in at sam.gov, (2) Navigate to your Entity Registration, (3) Go to the Assertions section, (4) Add 336310 (Motor Vehicle Gasoline Engine and Engine Parts Manufacturing) to your NAICS code list. You may designate one code as your Primary NAICS code.

Quick Actions

Related NAICS Codes

Other codes in Motor Vehicle Parts Manufacturing

Related PSC Codes

PSC codes commonly used with this NAICS sector

Source: GSA PSC Manual April 2025

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