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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

    2,160 total opportunities (2,160 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

    29--SHROUD,FAN,RADIATOR

    Active

    AI Summary

    The Department of Defense is seeking quotes for the procurement of 2 units of shroud, fan, radiator under NSN 2930015768568. This RFQ may lead to an Indefinite Delivery Contract with a maximum order value of $350,000. Quotes must be submitted electronically, and hard copies are not available.

    OH

    Posted Aug 25, 2026Due Sep 8, 2026Combined Synopsis/SolicitationNAICS 336310Total Small Business Set-Aside (FAR 19.5)Sol: SPE7L426U1138
    View details→

    DEPT OF DEFENSE

    29--VALVE,FUEL SYSTEM

    Active

    AI Summary

    The Department of Defense is seeking quotes for 3 fuel system valves under NSN 2910015759477. 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 Aug 25, 2026Due Sep 8, 2026Combined Synopsis/SolicitationNAICS 336310Total Small Business Set-Aside (FAR 19.5)Sol: SPE7L426U1131
    View details→

    DEPT OF DEFENSE

    53--O-RING ASSORTMENT

    Active

    AI Summary

    The Department of Defense is seeking quotes for an O-ring assortment under solicitation NSN 5331016533593. This RFQ may lead to an Indefinite Delivery Contract with a one-year term. The estimated minimum quantity is 7, and items will be shipped to various DLA depots. Quotes must be submitted electronically.

    OH

    Posted Aug 25, 2026Due Sep 8, 2026Combined Synopsis/SolicitationNAICS 336310Total Small Business Set-Aside (FAR 19.5)Sol: SPE7L426U1140
    View details→

    DEPT OF DEFENSE

    DUMP TRUCK ENGINE REPLACEMENT

    Active

    AI Summary

    The Department of Defense, specifically the Department of the Air Force, is soliciting proposals for the replacement of a dump truck engine. The requirement includes one inline 6-cylinder diesel engine. This opportunity is not set aside for small businesses and does not fall under Simplified Acquisition Procedures.

    IL

    Posted Aug 24, 2026Due Sep 3, 2026SolicitationNAICS 336310Total Small Business Set-Aside (FAR 19.5)Sol: FA440726TR0001
    View details→

    DEPT OF DEFENSE

    48--MANIFOLD ASSEMBLY P

    Active

    AI Summary

    The Department of Defense is seeking quotes for the procurement of a manifold assembly (NSN 4820014622185) for delivery to USS Bataan LHD 5. This opportunity is set aside for small businesses and is available through an RFQ. Interested parties must submit their quotes electronically.

    OH

    Posted Aug 24, 2026Due Sep 3, 2026Combined Synopsis/SolicitationNAICS 336310Total Small Business Set-Aside (FAR 19.5)Sol: SPE7MC26Q0415
    View details→

    DEPT OF DEFENSE

    48--MANIFOLD ASSEMBLY P

    Active

    AI Summary

    The Department of Defense is seeking quotes for the procurement of a manifold assembly (NSN 4820014622185) for delivery to USS Bataan LHD 5. This opportunity is set aside for small businesses and is available through an RFQ. All responsible sources may submit quotes electronically.

    OH

    Posted Aug 24, 2026Due Sep 3, 2026Combined Synopsis/SolicitationNAICS 336310Total Small Business Set-Aside (FAR 19.5)Sol: SPE7MC26Q0414
    View details→

    DEPT OF DEFENSE

    48--VALVE ASSEMBLY,PURG

    Active

    AI Summary

    The Department of Defense is seeking quotes for 19 units of valve assembly, purg, under NSN 4820004537142. The solicitation is an RFQ and requires electronic submission of quotes. Delivery is to DLA Distribution Cherry Point within 382 days after order. Specifications are not available.

    OH

    Posted Aug 23, 2026Due Aug 31, 2026Combined Synopsis/SolicitationNAICS 336310Sol: SPE7MC26T218P
    View details→

    DEPT OF DEFENSE

    48--GATE VALVE ASSEMBLY

    Active

    AI Summary

    The Department of Defense is seeking quotes for 39 units of gate valve assembly (NSN 4820012924561) under RFQ. The delivery is required at DLA Dist San Joaquin within 168 days after order. All responsible sources may submit quotes electronically, as hard copies are not available.

    OH

    Posted Aug 23, 2026Due Aug 31, 2026Combined Synopsis/SolicitationNAICS 336310Sol: SPE7MC26T216B
    View details→

    DEPT OF DEFENSE

    48--CARTRIDGE,INLET VAL

    Active

    AI Summary

    The Department of Defense is seeking quotes for NSN 4820012128297, a cartridge inlet valve. The solicitation is an RFQ, and all responsible sources may submit a quote electronically. Delivery is required within 168 days after order. Specifications and hard copies are not available.

    OH

    Posted Aug 23, 2026Due Aug 31, 2026Combined Synopsis/SolicitationNAICS 336310Sol: SPE7MC26T216Z
    View details→

    DEPT OF DEFENSE

    48--DECK BOX,REMOTE OPERAT

    Active

    AI Summary

    The Department of Defense is seeking quotes for 15 units of deck boxes for remote operation, under NSN 4820012562231. This opportunity is a combined synopsis/solicitation and is available electronically. All responsible sources may submit a quote, which will be considered if timely received.

    OH

    Posted Aug 23, 2026Due Aug 31, 2026Combined Synopsis/SolicitationNAICS 336310Sol: SPE7MC26T215S
    View details→

    Source mix

    How this NAICS code is represented across indexed contract sources.

    federal
    2,140
    sled
    20
    forecast
    0

    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 →