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US Motor Works US1137H Engine Water Pump
| Brand | US Motor Works US1137H |
|---|---|
| Fits | Chevrolet · 38 vehicles |
Shielded impeller. Helps maintain coolant flow and reduce contamination exposure.
Increased pressure head. Delivers stronger coolant circulation for more efficient cooling.
Engine water pump. Moves coolant through the cooling system to help regulate temperature.
Cross-references AW1137H, WP-485H and WP-485HD for the same application. See all 3.
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Engine Water Pump for Classic Chevrolet and GMC V8 Applications
US Motor Works US1137H is an engine water pump built for select 1975-1977 Chevrolet and GMC trucks and vans. It features a shielded impeller and increased coolant pressure head to support steady coolant circulation in demanding cooling systems.
Key Features
- Shielded impeller design for controlled coolant flow
- Increased coolant pressure head for stronger circulation
- Assembled in the USA
- Direct replacement water pump for select Chevrolet C10, C20, C30, K10, K20, G20, G30, P20, and P30 applications
- Also listed for select GMC G25 and G35 applications
Fitment Details
- Fits 1975-1977 Chevrolet C10, N/A
- Fits 1975-1977 Chevrolet C20, N/A
- Fits 1975-1977 Chevrolet C20 Suburban, N/A
- Fits 1975-1977 Chevrolet C30, N/A
- Fits 1975-1977 Chevrolet G20, N/A
- Fits 1975-1977 Chevrolet G30, N/A
- Fits 1975-1977 Chevrolet K20, N/A
- Fits 1975-1977 Chevrolet K20 Suburban, N/A
- Fits 1975-1977 Chevrolet P20, N/A
- Fits 1975-1977 Chevrolet P30, N/A
- Fits 1975-1977 GMC G25, N/A
- Fits 1975-1977 GMC G35, N/A
- Fits 1975-1976 Chevrolet K10, N/A
What This Water Pump Helps Address
- Coolant circulation issues in aging Chevrolet and GMC cooling systems
- Overheating caused by reduced water pump output
- Weak coolant pressure head in high-demand engine operation
- Replacement needs for worn or leaking engine water pumps
Installation Notes and Tips
Verify engine and accessory-drive configuration before installation, since fitment is application-specific. Inspect the cooling system, gasket surfaces, hoses, thermostat, and belts before installing the new pump. US1137H cross-references AW1137H and WP-485H for the same application.
Quality Assurance
US Motor Works assembles this water pump in the USA and builds it with a shielded impeller and increased coolant pressure head for consistent cooling-system performance.
This part fits 38 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1977 | Chevrolet | C10 | Silverado | 4.8L | L6 | N/A | High performance |
| 1977 | Chevrolet | C20 | — | — | — | N/A | Highly durable and efficient engine water pump. |
| 1977 | Chevrolet | C20 Suburban | — | — | — | N/A | Highly durable and efficient engine water pump. |
| 1977 | Chevrolet | C30 | — | — | — | N/A | Highly durable and efficient engine water pump. |
| 1977 | Chevrolet | G20 | — | — | — | N/A | Highly durable and efficient engine water pump. |
| 1977 | Chevrolet | G30 | — | — | — | N/A | Highly durable and efficient engine water pump. |
| 1977 | Chevrolet | K20 | — | — | — | N/A | Highly durable and efficient engine water pump. |
| 1977 | Chevrolet | K20 Suburban | — | — | — | N/A | Highly durable and efficient engine water pump. |
| 1977 | Chevrolet | P20 | — | — | — | N/A | Highly durable and efficient engine water pump. |
| 1977 | Chevrolet | P30 | — | — | — | N/A | Highly durable and efficient engine water pump. |
| 1977 | GMC | G25 | — | — | — | N/A | Highly durable and efficient engine water pump. |
| 1977 | GMC | G35 | — | — | — | N/A | Highly durable and efficient engine water pump. |
| 1976 | Chevrolet | C10 | Silverado | 4.8L | L6 | N/A | High performance |
| 1976 | Chevrolet | C20 | — | — | — | N/A | Highly durable and efficient engine water pump. |
| 1976 | Chevrolet | C20 Suburban | — | — | — | N/A | Highly durable and efficient engine water pump. |
| 1976 | Chevrolet | C30 | — | — | — | N/A | Highly durable and efficient engine water pump. |
| 1976 | Chevrolet | G20 | — | — | — | N/A | Highly durable and efficient engine water pump. |
| 1976 | Chevrolet | G30 | — | — | — | N/A | Highly durable and efficient engine water pump. |
| 1976 | Chevrolet | K10 | Silverado | 4.8L | L6 | N/A | High performance |
| 1976 | Chevrolet | K20 | — | — | — | N/A | Highly durable and efficient engine water pump. |
| 1976 | Chevrolet | K20 Suburban | — | — | — | N/A | Highly durable and efficient engine water pump. |
| 1976 | Chevrolet | P20 | — | — | — | N/A | Highly durable and efficient engine water pump. |
| 1976 | Chevrolet | P30 | — | — | — | N/A | Highly durable and efficient engine water pump. |
| 1976 | GMC | G25 | — | — | — | N/A | Highly durable and efficient engine water pump. |
| 1976 | GMC | G35 | — | — | — | N/A | Highly durable and efficient engine water pump. |
| 1975 | Chevrolet | C10 | Silverado | 4.8L | L6 | N/A | High performance |
| 1975 | Chevrolet | C20 | — | — | — | N/A | Highly durable and efficient engine water pump. |
| 1975 | Chevrolet | C20 Suburban | — | — | — | N/A | Highly durable and efficient engine water pump. |
| 1975 | Chevrolet | C30 | — | — | — | N/A | Highly durable and efficient engine water pump. |
| 1975 | Chevrolet | G20 | — | — | — | N/A | Highly durable and efficient engine water pump. |
| 1975 | Chevrolet | G30 | — | — | — | N/A | Highly durable and efficient engine water pump. |
| 1975 | Chevrolet | K10 | Silverado | 4.8L | L6 | N/A | High performance |
| 1975 | Chevrolet | K20 | — | — | — | N/A | Highly durable and efficient engine water pump. |
| 1975 | Chevrolet | K20 Suburban | — | — | — | N/A | Highly durable and efficient engine water pump. |
| 1975 | Chevrolet | P20 | — | — | — | N/A | Highly durable and efficient engine water pump. |
| 1975 | Chevrolet | P30 | — | — | — | N/A | Highly durable and efficient engine water pump. |
| 1975 | GMC | G25 | — | — | — | N/A | Highly durable and efficient engine water pump. |
| 1975 | GMC | G35 | — | — | — | N/A | Highly durable and efficient engine water pump. |
| No rows match your filter. | |||||||
Directly replaces or cross-references 3 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
AW1137HWP-485HWP-485HD