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US Motor Works US5051 Engine Water Pump
| Brand | US Motor Works US5051 |
|---|---|
| Fits | Buick, Chevrolet, and Oldsmobile · 19 vehicles |
Engine water pump. Circulates coolant to help maintain proper engine temperature.
Includes sealing devices. Helps support a secure installation with the needed seals.
Cross-references Airtex AW5051, Gates 43115 and 10174846 for the same application. See all 6.
Engine Water Pump for GM B-Body Applications
US Motor Works US5051 is an engine water pump for select GM full-size rear-wheel-drive applications. It includes installation sealing devices and is built for direct replacement service on 1991-1993 Buick Roadmaster, 1991-1993 Chevrolet Caprice, 1993 Chevrolet Commercial Chassis, and 1991-1992 Oldsmobile Custom Cruiser.
Key Features
- Engine water pump for cooling system service
- Includes installation sealing devices
- Direct-fit replacement for select GM applications
- Cross-references Airtex AW5051 and Gates 43115 for the same application
- Part number US5051 for catalog and fitment lookup
Detailed Description
US Motor Works US5051 is an engine water pump used to restore coolant circulation in compatible GM B-body vehicles. It is listed for 1991-1993 Buick Roadmaster, 1991-1993 Chevrolet Caprice, 1993 Chevrolet Commercial Chassis, and 1991-1992 Oldsmobile Custom Cruiser. The included installation sealing devices support a proper seal at the mounting surface during replacement service. If you are sourcing a water pump for a 1991-1993 Chevrolet Caprice or a 1991-1993 Buick Roadmaster, US5051 provides a cataloged replacement option for the original cooling system application.
Common Repair Uses
- Coolant leakage at the water pump housing
- Overheating caused by reduced coolant circulation
- Noise or wear from a failing pump assembly
- Cooling system service on high-mileage GM full-size cars
- Replacement during timing or front-engine cooling repairs
Installation Notes and Tips
Verify engine and vehicle fitment before installation, especially on 1993 Chevrolet Commercial Chassis applications. Clean the mounting surface thoroughly and inspect related cooling system components, including hoses, thermostat, and drive belts, before installing the new pump. Use the included sealing devices during assembly and refill the cooling system with the correct coolant mixture after installation.
Quality Assurance
US Motor Works catalogs US5051 as a replacement engine water pump for the listed applications. This part cross-references Airtex AW5051 and Gates 43115 for the same application.
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1993 | Buick | Roadmaster | Limited | — | — | N/A | — |
| 1993 | Buick | Roadmaster | Estate Wagon | — | — | N/A | — |
| 1993 | Buick | Roadmaster | Base | — | — | N/A | — |
| 1993 | Chevrolet | Caprice | Classic LTZ | — | — | N/A | — |
| 1993 | Chevrolet | Caprice | Classic | — | — | N/A | — |
| 1993 | Chevrolet | Caprice | Classic LS | — | — | N/A | — |
| 1993 | Chevrolet | Commercial Chassis | Base | 5.7L | V8 | N/A | — |
| 1992 | Buick | Roadmaster | Limited | — | — | N/A | — |
| 1992 | Buick | Roadmaster | Estate Wagon | — | — | N/A | — |
| 1992 | Buick | Roadmaster | Base | — | — | N/A | — |
| 1992 | Chevrolet | Caprice | Classic | — | — | N/A | — |
| 1992 | Chevrolet | Caprice | Classic LTZ | — | — | N/A | — |
| 1992 | Chevrolet | Caprice | Base | — | — | N/A | — |
| 1992 | Oldsmobile | Custom Cruiser | Base | — | — | N/A | — |
| 1991 | Buick | Roadmaster | Estate Wagon | — | — | N/A | — |
| 1991 | Chevrolet | Caprice | Classic | — | — | N/A | — |
| 1991 | Chevrolet | Caprice | Classic LTZ | — | — | N/A | — |
| 1991 | Chevrolet | Caprice | Base | — | — | N/A | — |
| 1991 | Oldsmobile | Custom Cruiser | Base | — | — | N/A | — |
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