NAICS 336310: Motor Vehicle Gasoline Engine and Engine Parts Manufacturing

Motor Vehicle Gasoline Engine and Engine Parts Manufacturing is NAICS code 336310. A business is small under it with 1,050 employees or fewer. 7 federal contracts are open on SAM.gov under this code right now.

SBA size standard
1,050 employees or fewer
Open contracts now
7
Federal spending, FY2025
$104.3 million
Share won by small businesses
50%
Small businesses registered
255

Open federal contracts for motor vehicle gasoline engine and engine parts manufacturing

Most open notices under this code are Defense supply orders for specific parts, usually limited to approved sources.

  • VALVE,LIQUID OXYGEN DR

    Dept of Defense · Defense Logistics Agency

    Aircraft, ship & vehicle partsSDVOSB

    Due in 2 daysOct 6, 2026

  • PUMP,FUEL,ELECTRICAL

    Dept of Defense · Defense Logistics Agency

    Aircraft, ship & vehicle parts

    Due in 13 daysOct 17, 2026

  • O-RING

    Dept of Defense · Dept of the Navy

    Aircraft, ship & vehicle partsSmall business

    Due in 18 daysOct 22, 2026

  • O-RING

    Dept of Defense · Dept of the Navy

    ✦ NAVSUP Weapon Systems Support (Navy, Mechanicsburg PA) wants to buy O-rings (P/N 2244739, CAGE 10001) built to Government drawings.

    Aircraft, ship & vehicle partsSmall business

    Due in 22 daysOct 26, 2026

  • O-RING

    Dept of Defense · Dept of the Navy

    ✦ NAVSUP Weapon Systems Support (Mechanicsburg) wants to buy an O-RING made to SAE AS3581 (P/N AS3581-232) for use in a Seal Delivery Vehicle, a critical shipboard system.

    Aircraft, ship & vehicle parts

    Due in 26 daysOct 30, 2026

  • O-RING

    Dept of Defense · Dept of the Navy

    ✦ The Navy (NAVSUP Weapon Systems Support) wants to buy an O-ring made to SAE AS3581, part number AS3581-232, for a Seal Delivery Vehicle.

    Aircraft, ship & vehicle parts

    Due in 26 daysOct 30, 2026

See all 7 open contracts under NAICS 336310 →

What NAICS 336310 covers

The Census Bureau's NAICS index lists these kinds of work under 336310:

  • Assembly line rebuilding of automotive and truck gasoline engines
  • Bearings (e.g., camshaft, crankshaft, connecting rod), automotive and truck gasoline engine, manufacturing
  • Carburetors, all types, manufacturing
  • Connecting rods, automotive and truck gasoline engine, manufacturing
  • Crankshaft assemblies, automotive and truck gasoline engine, manufacturing
  • Cylinder heads, automotive and truck gasoline engine, manufacturing
  • Engine block assemblies, automotive and truck gasoline, manufacturing
  • Engine intake and exhaust valves manufacturing
  • Engines and parts (except diesel), automotive and truck, manufacturing
  • Flywheels and ring gears, automotive and truck gasoline engine, manufacturing
  • Fuel injection systems and parts, automotive and truck gasoline engine, manufacturing
  • Fuel pumps, mechanical, automotive and truck gasoline engine, manufacturing
  • Gasoline engine parts, mechanical, automotive and truck, manufacturing
  • Gasoline engines for hybrid automotive vehicles manufacturing

The index lists 26 entries for this code in all.

Read the full definition, including what's excluded, on census.gov.

SBA size standard for 336310

To count as a small business for a contract assigned NAICS 336310, your business must have 1,050 employees or fewer. Employees are averaged over the last 24 months.

From SBA's table of size standards, effective Mar 17, 2023. Confirm it with SBA's size standards tool before you certify your size.

Who buys motor vehicle gasoline engine and engine parts manufacturing

Agencies that awarded the most under NAICS 336310 over the last three fiscal years, per USAspending.gov:

AgencyObligated
Defense Logistics Agency$242.2 million
Department of the Army$15.3 million
Department of the Navy$13.7 million
Department of State$7.9 million
Federal Law Enforcement Training Center$6.5 million
U.S. Coast Guard$565,093
Department of the Air Force$563,332
U.S. Customs and Border Protection$56,180

Open notices right now come from Dept of Defense (25).

Set-asides on open 336310 contracts

  • No set-aside (full and open): 12
  • Total small business set-aside: 12
  • Service-disabled veteran-owned set-aside: 1

Not sure which set-asides you qualify for? Try the free SBA certification screener, or read set-aside contracts, explained.

Your competition

255 businesses with active SAM.gov registrations are rated small under NAICS 336310, most of them in Texas (34), Florida (21), Michigan (20), Virginia (17) and California (15). Look any of them up with the free CAGE code and UEI lookup.

Federal spending under 336310 by year

Fiscal yearContract obligations
FY2024$72.2 million
FY2025$104.3 million
FY2026$110.3 million
FY2027 (so far)$0

Source: USAspending.gov, all contract awards with this NAICS code. Fiscal years start October 1.

Related NAICS codes

Frequently asked questions

What is NAICS code 336310?

336310 is the 2022 NAICS code for Motor Vehicle Gasoline Engine and Engine Parts Manufacturing. The Census Bureau's index lists work such as assembly line rebuilding of automotive and truck gasoline engines, bearings (e.g., camshaft, crankshaft, connecting rod), automotive and truck gasoline engine, manufacturing, carburetors, all types, manufacturing under it. Federal contracting uses the 2022 codes.

What is the SBA size standard for NAICS 336310?

1,050 employees or fewer. A business at or under that is small for contracts assigned this code. The current SBA table took effect Mar 17, 2023.

Are there government contracts for motor vehicle gasoline engine and engine parts manufacturing?

Yes. 7 federal contract opportunities under NAICS 336310 are open on SAM.gov right now. Agencies obligated about $104.3 million under this code in fiscal year 2025, according to USAspending.gov.

How do I add NAICS code 336310 to my SAM.gov registration?

Update your entity registration on SAM.gov and add the code on the Goods and Services page, in the Assertions section. You can list several NAICS codes and mark one as your primary. Changes are free.

Keep going

FedReady is an independent company, not affiliated with SBA, SAM.gov, the Census Bureau or any government agency. Open-contract counts come from SAM.gov and update daily; spending figures come from USAspending.gov.