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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

    2,218 total opportunities (2,218 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

    48--SPRING ASSEMBLY,VALVE

    Active

    AI Summary

    The Department of Defense is seeking quotes for 7 units of NSN 4820010518464 spring assembly, valve. The solicitation is an RFQ and requires electronic submission of quotes. Approved sources include specific part numbers. Delivery is required at SRF and JRMC Yokosuka within 5 days after order. Specifications are not av…

    OH

    Posted Sep 15, 2026Due Sep 28, 2026Combined Synopsis/SolicitationNAICS 336310Sol: SPE7M126T353S
    View details→

    DEPT OF DEFENSE

    48--VALVE ASSEMBLY,REDU

    Active

    AI Summary

    The Department of Defense is seeking quotes for the procurement of 4 units of valve assembly, NSN 4820011923596. The solicitation is an RFQ and requires electronic submission of quotes. Delivery is expected at the General Depot of Naval Supplies within 5 days after order. Specifications and hard copies are not availabl…

    OH

    Posted Sep 14, 2026Due Sep 25, 2026Combined Synopsis/SolicitationNAICS 336310Sol: SPE7M126T353N
    View details→

    DEPARTMENT OF HOMELAND SECURITY

    ENGINE BLOCK ASSEMBLY, DIESEL

    Active

    AI Summary

    The U.S. Coast Guard is seeking quotes for eight diesel engine block assemblies (Volvo D3/200 Long Block, Part NBR: VOL3802298). This opportunity is a Request for Quote (RFQ) under FAR Part 13, with a firm fixed price purchase order anticipated. Vendors must comply with specific delivery and packaging requirements.

    MD

    Posted Sep 14, 2026Due Sep 18, 2026Combined Synopsis/SolicitationNAICS 336310Total Small Business Set-Aside (FAR 19.5)Sol: 70Z04026Q51338Y00
    View details→

    DEPT OF DEFENSE

    29--BELLOWS ASSEMBLY,ATMOS

    Active

    AI Summary

    The Department of Defense is soliciting quotes for 120 units of bellows assembly, atmos, under NSN 2910009190183. 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. The estimated total order value is $350,000.

    OH

    Posted Sep 14, 2026Due Sep 29, 2026Combined Synopsis/SolicitationNAICS 336310Total Small Business Set-Aside (FAR 19.5)Sol: SPE7LX26U003C
    View details→

    DEPT OF DEFENSE

    48--GUIDE,VALVE,DISK

    Active

    AI Summary

    The Department of Defense is seeking quotes for 109 units of GUIDE, VALVE, DISK under NSN 4820013154114. 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 p…

    OH

    Posted Sep 14, 2026Due Sep 25, 2026Combined Synopsis/SolicitationNAICS 336310Sol: SPE7M226T6845
    View details→

    DEPT OF DEFENSE

    48--VALVE,REGULATING,TEMPE

    Active

    AI Summary

    The Department of Defense is seeking quotes for 9 units of regulating valves (NSN 4820016261014) under a combined synopsis/solicitation. The solicitation is an RFQ, and all responsible sources may submit quotes electronically. Delivery is required to DLA Dist San Joaquin within 297 days after order. Specifications are …

    OH

    Posted Sep 14, 2026Due Sep 25, 2026Combined Synopsis/SolicitationNAICS 336310Total Small Business Set-Aside (FAR 19.5)Sol: SPE7M126Q1488
    View details→

    DEPT OF DEFENSE

    48--VALVE ASSY,DRAIN

    Active

    AI Summary

    The Department of Defense is soliciting quotes for 587 units of valve assembly, drain (NSN 4820010731802). 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. The estimated minimum quantity is 88, with deliveries to vario…

    OH

    Posted Sep 13, 2026Due Sep 28, 2026Combined Synopsis/SolicitationNAICS 336310Sol: SPE7M226U0477
    View details→

    DEPT OF DEFENSE

    48--AIR BYPASS SLEEVE

    Active

    AI Summary

    The Department of Defense is soliciting quotes for 13 units of air bypass sleeves under NSN 4820015243144. 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 Sep 13, 2026Due Sep 28, 2026Combined Synopsis/SolicitationNAICS 336310Sol: SPE7M226U0474
    View details→

    DEPT OF DEFENSE

    29--FILTER ELEMENT,FLUID

    Active

    AI Summary

    The Department of Defense is seeking quotes for 131 units of filter element, fluid (NSN 2910011862540) under an RFQ. This may lead to an Indefinite Delivery Contract with a one-year term. Quotes must be submitted electronically, and hard copies are not available. The estimated total order value is $350,000.

    OH

    Posted Sep 13, 2026Due Sep 28, 2026Combined Synopsis/SolicitationNAICS 336310Sol: SPE7L426U1248
    View details→

    DEPT OF DEFENSE

    29--STARTER,ENGINE,ELEC

    Active

    AI Summary

    The Department of Defense is seeking quotes for 40 units of electrical engine starters under NSN 2920017221654. 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 provided. Specifications and drawings are not a…

    OH

    Posted Sep 13, 2026Due Sep 24, 2026Combined Synopsis/SolicitationNAICS 336310Total Small Business Set-Aside (FAR 19.5)Sol: SPE7L526T5468
    View details→

    Source mix

    How this NAICS code is represented across indexed contract sources.

    federal
    2,195
    sled
    22
    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→
    • PSC Contract Lanes→
    • AI Contract Categories→
    • Browse by Agency→
    • Browse by State→

    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 →