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US Motor Works US821 Engine Water Pump
| Brand | US Motor Works US821 |
|---|---|
| Fits | Buick · 37 vehicles |
Direct replacement. Engine water pump for Buick cooling-system service.
Seal support. Includes installation sealing devices for a proper mounting seal.
Cross-reference fit. Matches Airtex AW821, Gates 43121, and Standard Ignition WP-384.
Cross-references Airtex AW821, Gates 43121 and Standard Ignition WP-384 for the same application. See all 3.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Engine Water Pump Overview
US Motor Works US821 is an engine water pump for classic Buick applications. It is built for direct cooling-system service and includes installation sealing devices to support a proper seal during replacement.
Key Features
- Engine water pump for Buick cooling-system repair
- Includes installation sealing devices
- Cross-references Airtex AW821, Gates 43121, and Standard Ignition WP-384
- Fits multiple 1967-1972 Buick models, including Centurion, Electra, Riviera, and LeSabre
Fitment Details
Compatible with 1967-1972 Buick Riviera, N/A. Fits 1967-1972 Buick Electra, N/A. Fits 1970-1972 Buick LeSabre, N/A. Fits 1971-1972 Buick Centurion, N/A. Fits 1967-1972 Buick Wildcat, N/A. Fits 1970-1972 Buick Estate Wagon, N/A. Fits 1968-1969 Buick GS 400, N/A. Fits 1967-1970 Buick Sportwagon, N/A. Fits 1967-1972 Buick Skylark, N/A. Fits 1970-1972 Buick GS 455, N/A. Fits 1967 Buick Gran Sport, N/A.
What It Helps Address
- Coolant circulation problems caused by a worn pump
- Overheating from reduced water flow through the engine
- Seal leakage at the pump mounting surface
- Noisy or inefficient cooling-system operation
Installation Notes
Verify the application against the vehicle’s cooling-system configuration before installation. Use the included installation sealing devices during replacement and inspect the surrounding cooling components for wear, corrosion, or contamination while the pump is removed.
Quality Assurance
US Motor Works supplies this water pump as a service replacement part for listed Buick applications. Part number US821 is also referenced as AW821, 43121, and WP-384 for the same application.
| Year | Make | Model | Submodel | Liters | Cylinders | Notes |
|---|---|---|---|---|---|---|
| 1972 | Buick | Centurion | — | — | — | — |
| 1972 | Buick | Electra | — | — | — | — |
| 1972 | Buick | Estate Wagon | — | — | — | — |
| 1972 | Buick | GS 455 | Base | 7.5L | V8 | Without A/C |
| 1972 | Buick | LeSabre | — | — | — | — |
| 1972 | Buick | Riviera | — | — | — | — |
| 1971 | Buick | Centurion | — | — | — | — |
| 1971 | Buick | Electra | — | — | — | — |
| 1971 | Buick | Estate Wagon | — | — | — | — |
| 1971 | Buick | GS 455 | Base | 7.5L | V8 | Without A/C |
| 1971 | Buick | LeSabre | — | — | — | — |
| 1971 | Buick | Riviera | — | — | — | — |
| 1971 | Buick | Skylark | Custom | 7.5L | V8 | Without A/C |
| 1970 | Buick | Electra | — | — | — | — |
| 1970 | Buick | Estate Wagon | — | — | — | — |
| 1970 | Buick | GS 455 | GSX | 7.5L | V8 | Without A/C |
| 1970 | Buick | LeSabre | — | — | — | — |
| 1970 | Buick | Riviera | — | — | — | — |
| 1970 | Buick | Skylark | Custom | 7.5L | V8 | — |
| 1970 | Buick | Sportwagon | Base | 7.5L | V8 | — |
| 1970 | Buick | Wildcat | — | — | — | — |
| 1969 | Buick | Electra | — | — | — | — |
| 1969 | Buick | GS 400 | Base | 6.6L | V8 | — |
| 1969 | Buick | Riviera | — | — | — | — |
| 1969 | Buick | Sportwagon | Custom | 6.6L | V8 | Without A/C |
| 1969 | Buick | Wildcat | — | — | — | — |
| 1968 | Buick | Electra | — | — | — | — |
| 1968 | Buick | GS 400 | Base | 6.6L | V8 | — |
| 1968 | Buick | Riviera | — | — | — | — |
| 1968 | Buick | Skylark | Custom | 6.6L | V8 | — |
| 1968 | Buick | Sportwagon | Custom | 6.6L | V8 | Without A/C |
| 1968 | Buick | Wildcat | — | — | — | — |
| 1967 | Buick | Electra | — | — | — | — |
| 1967 | Buick | Gran Sport | Base | 6.6L | V8 | Without A/C |
| 1967 | Buick | Riviera | — | — | — | — |
| 1967 | Buick | Skylark | Base | 6.6L | V8 | — |
| 1967 | Buick | Wildcat | — | — | — | — |
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