US Motor Works US1107 Engine Water Pump

Brand US Motor Works US1107
Fits Chevrolet, GMC, Pontiac, American Motors, Jeep, and Oldsmobile · 376 vehicles

Engine water pump. Restores dependable coolant circulation in the cooling system.

Includes sealing devices. Helps support a tighter installation with fewer leak concerns.

Cross-references Airtex AW1107, BBB Industries 42085 and Standard Ignition WP-487 for the same application. See all 10.

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Engine Water Pump for Classic GM and Jeep Applications

US Motor Works US1107 is an engine water pump for a wide range of 1975-1984 Chevrolet, GMC, Pontiac, Oldsmobile, and Jeep applications. It includes installation sealing devices and is built for direct replacement service on many classic V8 and inline-engine cooling systems.

Key Features

  • Engine water pump for cooling system repair and replacement
  • Includes installation sealing devices
  • US Motor Works US1107 replacement part number
  • Cross-references Airtex AW1107 and Standard Ignition WP-487
  • Compatible with many Chevrolet C10, Camaro, and GMC truck applications

Detailed Description

US Motor Works US1107 is an engine water pump used to restore coolant circulation in older GM cars, trucks, vans, and select Jeep models. It is a practical replacement for vehicles such as the Chevrolet C10, Camaro, K5 Blazer, and GMC C1500, as well as Pontiac Firebird and Jeep CJ7 applications listed in the fitment data. This part cross-references Airtex AW1107 and Standard Ignition WP-487 for the same application.

Compatible With 1978-1984 Chevrolet C10, 1982-1984 Chevrolet Camaro, 1979-1984 GMC C1500, and other listed 1975-1984 applications, US1107 supports service work on classic cooling systems where reliable water flow is required. The part number US1107 is also a useful reference when matching replacement water pumps for Chevrolet Malibu, Pontiac LeMans, and GMC Jimmy fitments.

Common Repair Uses

  • Coolant circulation loss from a worn water pump
  • Overheating caused by reduced coolant movement
  • Coolant seepage at the pump housing or seal area
  • Noisy or rough pump operation from internal wear
  • Cooling system service on classic Chevrolet, GMC, Pontiac, Oldsmobile, and Jeep vehicles

Installation Notes and Tips

Verify engine configuration and accessory layout against the vehicle’s original cooling system before installation. Clean the mounting surface thoroughly, inspect the belt drive components, and replace damaged gaskets or sealing surfaces as needed. Follow the factory service procedure for coolant refill and bleed steps after installation.

Quality Assurance

US Motor Works supplies replacement cooling components for service applications, and this water pump is cataloged with fitment coverage across multiple classic vehicle platforms. The included installation sealing devices support a complete replacement setup for the listed applications.

This part fits 376 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelLitersCylindersPositionNotes
1984ChevroletC10SilveradoN/A
1984ChevroletC10ScottsdaleN/A
1984ChevroletC10CustomN/A
1984ChevroletC15Custom4.1LL6N/A
1984ChevroletC20SilveradoN/A
1984ChevroletC20ScottsdaleN/A
1984ChevroletC20CustomN/A
1984ChevroletCamaroSportN/A
1984ChevroletG10SportvanN/A
1984ChevroletG10Chevy VanN/A
1984ChevroletG10BonaventureN/A
1984ChevroletG10BeauvilleN/A
1984ChevroletG20SportvanN/A
1984ChevroletG20Chevy VanN/A
1984ChevroletG20BonaventureN/A
1984ChevroletG20BeauvilleN/A
1984ChevroletG30Hi-CubeN/A
1984ChevroletG30Chevy VanN/A
1984ChevroletG30BonaventureN/A
1984ChevroletG30BeauvilleN/A
1984ChevroletK10ScottsdaleN/A
1984ChevroletK10CustomN/A
1984GMCC1500Sierra ClassicN/A
1984GMCC1500High SierraN/A
1984GMCC1500BaseN/A
1984GMCC2500Sierra ClassicN/A
1984GMCC2500High SierraN/A
1984GMCC2500BaseN/A
1984GMCG1500VanduraN/A
1984GMCG1500RallyN/A
1984GMCG1500Rally STXN/A
1984GMCG1500Rally CustomN/A
1984GMCG2500VanduraN/A
1984GMCG2500RallyN/A
1984GMCG2500Rally STXN/A
1984GMCG2500Rally CustomN/A
1984GMCG3500VanduraN/A
1984GMCG3500Vandura SpecialN/A
1984GMCK1500Sierra ClassicN/A
1984GMCK1500High SierraN/A
1984GMCK1500BaseN/A
1984PontiacFirebirdS/EN/A
1984PontiacFirebirdBaseN/A
1983ChevroletC10SilveradoN/A
1983ChevroletC10CustomN/A
1983ChevroletC15Custom4.1LL6N/A
1983ChevroletC20SilveradoN/A
1983ChevroletC20CustomN/A
1983ChevroletCamaroSportN/A
1983ChevroletG10SportvanN/A
1983ChevroletG10Chevy VanN/A
1983ChevroletG10BonaventureN/A
1983ChevroletG10BeauvilleN/A
1983ChevroletG10BaseN/A
1983ChevroletG20SportvanN/A
1983ChevroletG20Chevy VanN/A
1983ChevroletG20BonaventureN/A
1983ChevroletG20BeauvilleN/A
1983ChevroletG30Hi-CubeN/A
1983ChevroletG30Chevy VanN/A
1983ChevroletG30BonaventureN/A
1983ChevroletG30BeauvilleN/A
1983ChevroletK10SilveradoN/A
1983ChevroletK10CustomN/A
1983GMCC1500Sierra ClassicN/A
1983GMCC1500High SierraN/A
1983GMCC1500BaseN/A
1983GMCC2500Sierra ClassicN/A
1983GMCC2500High SierraN/A
1983GMCC2500BaseN/A
1983GMCG1500VanduraN/A
1983GMCG1500RallyN/A
1983GMCG1500Rally STXN/A
1983GMCG1500Rally CustomN/A
1983GMCG2500VanduraN/A
1983GMCG2500RallyN/A
1983GMCG2500Rally STXN/A
1983GMCG2500Rally CustomN/A
1983GMCG3500VanduraN/A
1983GMCG3500Vandura SpecialN/A
1983GMCK1500Sierra ClassicN/A
1983GMCK1500High SierraN/A
1983GMCK1500BaseN/A
1983JeepCJ7RenegadeN/A
1983JeepCJ7LimitedN/A
1983JeepCJ7LaredoN/A
1983JeepCJ7BaseN/A
1983JeepScramblerSRN/A
1983JeepScramblerSLN/A
1983JeepScramblerBaseN/A
1983PontiacFirebirdS/EN/A
1983PontiacFirebirdBaseN/A
1982ChevroletC10SilveradoN/A
1982ChevroletC10ScottsdaleN/A
1982ChevroletC10CustomN/A
1982ChevroletC15Custom4.1LL6N/A
1982ChevroletC20SilveradoN/A
1982ChevroletC20ScottsdaleN/A
1982ChevroletC20CustomN/A
1982ChevroletCamaroSportN/A
1982ChevroletG10SportvanN/A
1982ChevroletG10Chevy VanN/A
1982ChevroletG10BeauvilleN/A
1982ChevroletG20SportvanN/A
1982ChevroletG20Chevy VanN/A
1982ChevroletG20BeauvilleN/A
1982ChevroletG30Hi-CubeN/A
1982ChevroletG30Chevy VanN/A
1982ChevroletG30BeauvilleN/A
1982ChevroletK10SilveradoN/A
1982ChevroletK10ScottsdaleN/A
1982ChevroletK10CustomN/A
1982ChevroletK5 BlazerSilveradoN/A
1982ChevroletK5 BlazerCustomN/A
1982GMCC1500Street CoupeN/A
1982GMCC1500Sierra GrandeN/A
1982GMCC1500Sierra ClassicN/A
1982GMCC1500High SierraN/A
1982GMCC1500BaseN/A
1982GMCC2500Sierra GrandeN/A
1982GMCC2500Sierra ClassicN/A
1982GMCC2500High SierraN/A
1982GMCC2500BaseN/A
1982GMCG1500VanduraN/A
1982GMCG1500RallyN/A
1982GMCG1500Rally STXN/A
1982GMCG2500VanduraN/A
1982GMCG2500RallyN/A
1982GMCG2500Rally STXN/A
1982GMCG3500VanduraN/A
1982GMCG3500Vandura SpecialN/A
1982GMCJimmyStreet CoupeN/A
1982GMCJimmySierra GrandeN/A
1982GMCJimmySierra ClassicN/A
1982GMCJimmyHigh SierraN/A
1982GMCJimmyBaseN/A
1982GMCK1500Sierra GrandeN/A
1982GMCK1500Sierra ClassicN/A
1982GMCK1500High SierraN/A
1982GMCK1500BaseN/A
1982PontiacFirebirdS/EN/A
1982PontiacFirebirdBaseN/A
1981ChevroletC10DeluxeN/A
1981ChevroletC10CustomN/A
1981ChevroletC20DeluxeN/A
1981ChevroletC20CustomN/A
1981ChevroletC30Base4.1LL6N/A
1981ChevroletG10SportvanN/A
1981ChevroletG10Chevy VanN/A
1981ChevroletG10BeauvilleN/A
1981ChevroletG20SportvanN/A
1981ChevroletG20Chevy VanN/A
1981ChevroletG20BeauvilleN/A
1981ChevroletG30Hi-CubeN/A
1981ChevroletG30Chevy VanN/A
1981ChevroletG30BeauvilleN/A
1981ChevroletK10DeluxeN/A
1981ChevroletK10CustomN/A
1981ChevroletK5 BlazerSilveradoN/A
1981ChevroletK5 BlazerDeluxeN/A
1981ChevroletK5 BlazerCustomN/A
1981ChevroletMalibuBase4.1LL6N/A
1981GMCC1500Street CoupeN/A
1981GMCC1500Sierra GrandeN/A
1981GMCC1500Sierra ClassicN/A
1981GMCC1500High SierraN/A
1981GMCC1500BaseN/A
1981GMCC2500Sierra GrandeN/A
1981GMCC2500Sierra ClassicN/A
1981GMCC2500High SierraN/A
1981GMCC2500BaseN/A
1981GMCG1500VanduraN/A
1981GMCG1500RallyN/A
1981GMCG1500Rally STXN/A
1981GMCG2500VanduraN/A
1981GMCG2500RallyN/A
1981GMCG2500Rally STXN/A
1981GMCJimmyStreet CoupeN/A
1981GMCJimmySierra GrandeN/A
1981GMCJimmySierra ClassicN/A
1981GMCJimmyHigh SierraN/A
1981GMCJimmyBaseN/A
1981GMCK1500Sierra GrandeN/A
1981GMCK1500Sierra ClassicN/A
1981GMCK1500High SierraN/A
1981GMCK1500BaseN/A
1980ChevroletC10SilveradoN/A
1980ChevroletC10ScottsdaleN/A
1980ChevroletC10Custom DeluxeN/A
1980ChevroletC10CheyenneN/A
1980ChevroletC10Big TenN/A
1980ChevroletC10 SuburbanSilveradoN/A
1980ChevroletC10 SuburbanScottsdaleN/A
1980ChevroletC10 SuburbanCustom DeluxeN/A
1980ChevroletC20SilveradoN/A
1980ChevroletC20ScottsdaleN/A
1980ChevroletC20Custom DeluxeN/A
1980ChevroletC20CheyenneN/A
1980ChevroletC30SilveradoN/A
1980ChevroletC30ScottsdaleN/A
1980ChevroletC30Custom DeluxeN/A
1980ChevroletC30CheyenneN/A
1980ChevroletG10SportvanN/A
1980ChevroletG10Chevy VanN/A
1980ChevroletG10BeauvilleN/A
1980ChevroletG20SportvanN/A
1980ChevroletG20Chevy VanN/A
1980ChevroletG20BeauvilleN/A
1980ChevroletK10SilveradoN/A
1980ChevroletK10ScottsdaleN/A
1980ChevroletK10Custom DeluxeN/A
1980ChevroletK10CheyenneN/A
1980ChevroletK10 SuburbanSilveradoN/A
1980ChevroletK10 SuburbanScottsdaleN/A
1980ChevroletK10 SuburbanCustom DeluxeN/A
1980ChevroletK20SilveradoN/A
1980ChevroletK20ScottsdaleN/A
1980ChevroletK20Custom DeluxeN/A
1980ChevroletK20CheyenneN/A
1980ChevroletK5 BlazerSilveradoN/A
1980ChevroletK5 BlazerCustom DeluxeN/A
1980ChevroletK5 BlazerCheyenneN/A
1980ChevroletMonzaSpyderN/A
1980ChevroletMonzaBaseN/A
1980ChevroletMonza2+2N/A
1980ChevroletMonza2+2 SpyderN/A
1980ChevroletMonza2+2 SportN/A
1980GMCC1500Street CoupeN/A
1980GMCC1500Sierra GrandeN/A
1980GMCC1500Sierra ClassicN/A
1980GMCC1500High SierraN/A
1980GMCC1500Heavy HalfN/A
1980GMCC1500BaseN/A
1980GMCC1500 SuburbanSierra GrandeN/A
1980GMCC1500 SuburbanSierra ClassicN/A
1980GMCC1500 SuburbanHigh SierraN/A
1980GMCC1500 SuburbanBaseN/A
1980GMCC2500Sierra GrandeN/A
1980GMCC2500Sierra ClassicN/A
1980GMCC2500High SierraN/A
1980GMCC2500BaseN/A
1980GMCC3500Sierra GrandeN/A
1980GMCC3500Sierra ClassicN/A
1980GMCC3500High SierraN/A
1980GMCC3500BaseN/A
1980GMCG1500VanduraN/A
1980GMCG1500RallyN/A
1980GMCG1500Rally STXN/A
1980GMCG2500VanduraN/A
1980GMCG2500RallyN/A
1980GMCG2500Rally STXN/A
1980GMCJimmyStreet CoupeN/A
1980GMCJimmySierra GrandeN/A
1980GMCJimmySierra ClassicN/A
1980GMCJimmyHigh SierraN/A
1980GMCJimmyBaseN/A
1980GMCK1500Sierra GrandeN/A
1980GMCK1500Sierra ClassicN/A
1980GMCK1500High SierraN/A
1980GMCK1500BaseN/A
1980GMCK1500 SuburbanSierra GrandeN/A
1980GMCK1500 SuburbanSierra ClassicN/A
1980GMCK1500 SuburbanHigh SierraN/A
1980GMCK1500 SuburbanBaseN/A
1980GMCK2500Sierra GrandeN/A
1980GMCK2500Sierra ClassicN/A
1980GMCK2500High SierraN/A
1980GMCK2500BaseN/A
1980JeepCJ5RenegadeN/A
1980JeepCJ5LaredoN/A
1980JeepCJ5Golden EagleN/A
1980JeepCJ5BaseN/A
1980JeepCJ7RenegadeN/A
1980JeepCJ7LaredoN/A
1980JeepCJ7Golden HawkN/A
1980JeepCJ7BaseN/A
1980OldsmobileStarfireSXN/A
1980OldsmobileStarfireGTN/A
1980OldsmobileStarfireFirenzaN/A
1980OldsmobileStarfireBaseN/A
1980PontiacSunbirdBaseN/A
1979ChevroletC10N/A
1979ChevroletC10 SuburbanN/A
1979ChevroletC20N/A
1979ChevroletC30Base4.1LL6N/A
1979ChevroletCamaroN/A
1979ChevroletCapriceClassic4.1LL6N/A
1979ChevroletG10N/A
1979ChevroletG20N/A
1979ChevroletG30Hi-Cube4.1LL6N/A
1979ChevroletImpalaN/A
1979ChevroletK10N/A
1979ChevroletK10 SuburbanN/A
1979ChevroletK20Silverado4.1LL6N/A
1979ChevroletK5 BlazerN/A
1979ChevroletMalibuN/A
1979ChevroletMonzaN/A
1979ChevroletNovaN/A
1979ChevroletP30Step-Van4.1LL6N/A
1979GMCC1500N/A
1979GMCC1500 SuburbanN/A
1979GMCC2500N/A
1979GMCC3500Sierra Grande4.1LL6N/A
1979GMCG1500N/A
1979GMCG2500N/A
1979GMCG3500N/A
1979GMCJimmyN/A
1979GMCK1500N/A
1979GMCK1500 SuburbanN/A
1979OldsmobileStarfireN/A
1979PontiacCatalinaBase4.1LL6N/A
1979PontiacLaurentianBase4.1LL6N/A
1979PontiacParisienneBase4.1LL6N/A
1979PontiacSunbirdN/A
1978ChevroletC10N/A
1978ChevroletC10 SuburbanN/A
1978ChevroletC20N/A
1978ChevroletC30Silverado4.1LL6N/A
1978ChevroletCamaroN/A
1978ChevroletCapriceClassic4.1LL6N/A
1978ChevroletG10N/A
1978ChevroletG30Hi-Cube4.1LL6N/A
1978ChevroletImpalaN/A
1978ChevroletK10N/A
1978ChevroletK10 SuburbanN/A
1978ChevroletK20Silverado4.1LL6N/A
1978ChevroletK5 BlazerN/A
1978ChevroletMonzaN/A
1978ChevroletNovaN/A
1978GMCG15N/A
1978GMCG35Vandura4.1LL6N/A
1978GMCJimmyN/A
1978OldsmobileStarfireN/A
1978PontiacLaurentianBase4.1LL6N/A
1978PontiacParisienneBase4.1LL6N/A
1978PontiacPhoenixN/A
1978PontiacSunbirdN/A
1977ChevroletC20N/A
1977ChevroletCamaroN/A
1977ChevroletCapriceClassic4.1LL6N/A
1977ChevroletEl CaminoN/A
1977ChevroletG10N/A
1977ChevroletImpalaN/A
1977ChevroletMalibuN/A
1977ChevroletNovaN/A
1977PontiacGrand LeMansLE4.1LL6N/A
1977PontiacLaurentianBase4.1LL6N/A
1977PontiacLeMansN/A
1977PontiacParisienneBase4.1LL6N/A
1977PontiacPhoenixN/A
1977PontiacSunbirdN/A
1976ChevroletC20N/A
1976ChevroletCamaroN/A
1976ChevroletEl CaminoN/A
1976ChevroletG20N/A
1976ChevroletMalibuN/A
1976ChevroletNovaN/A
1976OldsmobileCutlassN/A
1976OldsmobileCutlass SupremeColonnade4.1LL6N/A
1976OldsmobileOmegaN/A
1976PontiacFirebirdN/A
1976PontiacGrand LeMansBase4.1LL6N/A
1976PontiacLeMansN/A
1975ChevroletC20N/A
1975ChevroletCamaroN/A
1975ChevroletEl CaminoN/A
1975ChevroletG20N/A
1975ChevroletMalibuBaseN/A
1975ChevroletMalibuN/A
1975ChevroletNovaN/A
1975OldsmobileCutlassN/A
1975OldsmobileCutlass SupremeBase4.1LL6N/A
1975OldsmobileOmegaN/A
1975PontiacFirebirdN/A
1975PontiacGrand LeMansBase4.1LL6N/A
1975PontiacLeMansN/A
Directly replaces or cross-references 10 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Airtex — AW1107BBB Industries — 42085Standard Ignition — WP-487251-650252-5938132 2743610541012093888894247JR775045