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    1. Home
    2. /Gov Explore
    3. /NAICS Codes
    4. /33631

    NAICS Demand Lane

    Motor Vehicle Gasoline Engine and Engine Parts Manufacturing, Contract Opportunities

    2,249 total opportunities (2,249 active) tied to NAICS 33631 across federal, state, local, and forecast sources.
    NAICS 33631Federal + SLED2.2K total
    View NAICS definition →
    Total Opportunities
    2.2K
    Across all indexed sources
    Active Estimate
    2.2K
    Approximate active count
    Source Count
    3
    Federal, SLED, and forecast lanes

    Latest federal solicitations for NAICS 33631.

    DEPT OF DEFENSE

    FUEL CONTROL,STARTI

    Archived

    AI Summary

    The Department of Defense, through the Defense Logistics Agency, is seeking information regarding fuel control systems. This opportunity is categorized as a Source Sought and involves a justification for the procurement. Interested parties should review the details carefully.

    UT

    Posted Oct 5, 2026JustificationNAICS 336310Sol: SPRHA1-26-C-0021
    View details→

    DEPT OF DEFENSE

    48--FLAP VALVE NON RETURN

    Active

    AI Summary

    The Department of Defense is seeking quotes for 845 units of flap valve non-return under NSN 4820012178241. This RFQ may lead to an Indefinite Delivery Contract with a one-year term. Quotes must be submitted electronically, and hard copies are not available. All responsible sources are encouraged to participate.

    OH

    Posted Oct 5, 2026Due Oct 20, 2026Combined Synopsis/SolicitationNAICS 336310Historically Underutilized Business (HUBZone) Set-Aside (FAR 19.13)Sol: SPE7M227U0005
    View details→

    DEPT OF DEFENSE

    48--VALVE ASSEMBLY,MANIFOL

    Active

    AI Summary

    The Department of Defense is seeking quotes for 20 units of valve assembly, manifold (NSN 4820016433357). This opportunity is a combined synopsis/solicitation and requires electronic submission of quotes. The solicitation is available online, and hard copies will not be provided. All responsible sources are encouraged …

    OH

    Posted Oct 4, 2026Due Oct 15, 2026Combined Synopsis/SolicitationNAICS 336310Sol: SPE7MC27T0078
    View details→

    DEPT OF DEFENSE

    29--PUMP,FUEL,METERING AND

    Active

    AI Summary

    The Department of Defense is seeking quotes for 69 units of fuel metering pumps under NSN 2910015707927. This opportunity is a combined synopsis/solicitation and is classified under NAICS code 336310. Quotes must be submitted electronically, and hard copies will not be provided. All responsible sources are encouraged t…

    OH

    Posted Oct 4, 2026Due Oct 15, 2026Combined Synopsis/SolicitationNAICS 336310Total Small Business Set-Aside (FAR 19.5)Sol: SPE7L127T0110
    View details→

    DEPT OF DEFENSE

    29--PUMP,FUEL,ELECTRICAL

    Active

    AI Summary

    The Department of Defense is seeking quotes for 347 units of electrical fuel pumps under NSN 2910015178606. This RFQ may lead to an Indefinite Delivery Contract with a one-year term. Quotes must be submitted electronically, and the solicitation is available online. Hard copies are not provided.

    OH

    Posted Oct 2, 2026Due Oct 16, 2026Combined Synopsis/SolicitationNAICS 336310Sol: SPE7L127U0008
    View details→

    DEPT OF DEFENSE

    29--PUMP,HAND,FUEL PUMP

    Active

    AI Summary

    The Department of Defense is seeking quotes for 75 hand fuel pumps under NSN 2910014705545. This opportunity is a combined synopsis/solicitation and is set aside for small businesses. Quotes must be submitted electronically, and hard copies will not be available. The solicitation will be accessible via the provided lin…

    OH

    Posted Oct 1, 2026Due Oct 13, 2026Combined Synopsis/SolicitationNAICS 336310Total Small Business Set-Aside (FAR 19.5)Sol: SPE7L527T0009
    View details→

    DEPT OF DEFENSE

    29--STARTER,ENGINE,ELECTRI

    Active

    AI Summary

    The Department of Defense is seeking quotes for 40 units of electric engine starters under NSN 2920017221654. This opportunity is a combined synopsis/solicitation and is classified as an RFQ. Interested vendors must submit their quotes electronically, as hard copies will not be provided.

    OH

    Posted Oct 1, 2026Due Oct 13, 2026Combined Synopsis/SolicitationNAICS 336310Sol: SPE7L527Q0002
    View details→

    DEPT OF DEFENSE

    48--POPPET SCREEN ASSY

    Active

    AI Summary

    The Department of Defense is seeking quotes for the procurement of a poppet screen assembly (NSN 4820014840530). The solicitation is an RFQ, and all responsible sources may submit a quote electronically. Delivery is required to PCU Iowa SSN 797 within 20 days after order. Specifications and hard copies are not availabl…

    OH

    Posted Oct 1, 2026Due Oct 13, 2026Combined Synopsis/SolicitationNAICS 336310Sol: SPE7MC27T0008
    View details→

    DEPT OF DEFENSE

    O-RING

    Active

    AI Summary

    The Department of Defense is soliciting bids for the manufacture of O-RINGS under NAICS code 336310. This opportunity is set aside for small businesses and requires compliance with specific military standards. Delivery is expected within 90 days, and the contractor must ensure that the items meet shelf-life requirement…

    PA

    Posted Sep 30, 2026Due Oct 26, 2026SolicitationNAICS 336310Total Small Business Set-Aside (FAR 19.5)Sol: N0010426QAD37
    View details→

    DEPT OF DEFENSE

    48--VALVE,AIR SHUTDOWN

    Active

    AI Summary

    The Department of Defense is seeking quotes for 14 units of air shutdown valves (NSN 4820150113048). This opportunity is a combined synopsis/solicitation and is classified under NAICS code 336310. Quotes must be submitted electronically, and hard copies are not available. All responsible sources are encouraged to parti…

    OH

    Posted Sep 29, 2026Due Oct 13, 2026Combined Synopsis/SolicitationNAICS 336310Sol: SPE7M126T389Z
    View details→

    Source mix

    How this NAICS code is represented across indexed contract sources.

    federal
    2,223
    sled
    25
    forecast
    1

    Related NAICS Codes

    • 331, Primary Metal Manufacturing→
    • 3311, Iron and Steel Mills and Ferroalloy Manufacturing→
    • 33111, Iron and Steel Mills and Ferroalloy Manufacturing→
    • 331110, Iron and Steel Mills and Ferroalloy Manufacturing →
    • 3312, Steel Product Manufacturing from Purchased Steel→
    • 33121, Iron and Steel Pipe and Tube Manufacturing from Purchased Steel→
    • 331210, Iron and Steel Pipe and Tube Manufacturing from Purchased Steel→
    • 33122, Rolling and Drawing of Purchased Steel→
    • 331221, Rolled Steel Shape Manufacturing →
    • 331222, Steel Wire Drawing →

    Explore

    • 33631 Definition→
    • Browse NAICS Codes→
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    About NAICS 33631

    This industry comprises establishments primarily engaged in manufacturing motor vehicle gasoline engines and engine parts. These products are used in passenger cars, trucks, and other motor vehicles.

    Read the full NAICS definition →