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US Motor Works US63-2 Engine Water Pump
| Brand | US Motor Works US63-2 |
|---|---|
| Fits | Chevrolet and GMC · 69 vehicles |
Engine water pump. Direct replacement for dependable coolant circulation.
Installation sealing devices included. Helps simplify a complete pump installation.
Assembled in the USA. Built with domestic assembly for added confidence.
Cross-references Gates 42349BH and 252-994 for the same application. See all 2.
$178.84Free shipping
In stock · usually ships same day before 1pm CST
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Free returns within 60 days if it doesn't fit when fitment is verified.
Not what you need? See all Engine Water Pump options
US Motor Works US63-2 Engine Water Pump
The US Motor Works US63-2 engine water pump is a direct-fit cooling system replacement for select Chevrolet Silverado 2500 HD, Silverado 3500, GMC Sierra 2500 HD, and Sierra 3500 applications. It includes installation sealing devices and is assembled in the USA for service-focused repair work.
Key Features
- Engine water pump for select 2001-2005 Chevrolet Silverado 2500 HD and Silverado 3500 trucks
- Engine water pump for select 2001-2005 GMC Sierra 2500 HD and Sierra 3500 trucks
- Includes installation sealing devices
- Assembled in the USA
- Cross-reference: Gates 42349BH
- Cross-reference: 252-994
Product Details
US Motor Works US63-2 is built for cooling system service on heavy-duty GM trucks that need a replacement engine water pump with back plate housing. This part number is used across 2001-2005 Chevrolet Silverado 2500 HD and Silverado 3500, as well as 2001-2005 GMC Sierra 2500 HD and Sierra 3500 models. If you are replacing a worn water pump on a Chevrolet Silverado 2500 HD, GMC Sierra 3500, or another listed application, US63-2 provides the correct fitment reference for the job.
Common Repair Uses
- Coolant leakage from the water pump housing
- Overheating caused by reduced coolant circulation
- Noise from a failing pump bearing or impeller assembly
- Cooling system service on high-mileage Silverado and Sierra trucks
- Replacement of a damaged engine water pump with back plate housing
Installation Notes
Verify engine application and model year before installation. Confirm that the replacement matches the existing back plate housing configuration on the vehicle. Clean all mating surfaces thoroughly and follow the vehicle service procedure for coolant refill and bleed steps after installation.
Quality Assurance
US Motor Works states that this water pump is assembled in the USA and includes installation sealing devices. Use the part number US63-2 and the vehicle fitment details to confirm the correct replacement for your Chevrolet Silverado or GMC Sierra application.
This part fits 69 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
| Year | Make | Model | Submodel | Position | Notes |
|---|---|---|---|---|---|
| 2005 | Chevrolet | Silverado 2500 HD | LT | N/A | Engine Water Pump - Includes back plate housing |
| 2005 | Chevrolet | Silverado 2500 HD | LS | N/A | Engine Water Pump - Includes back plate housing |
| 2005 | Chevrolet | Silverado 2500 HD | Base | N/A | Engine Water Pump - Includes back plate housing |
| 2005 | Chevrolet | Silverado 3500 | LT | N/A | Engine Water Pump - Includes back plate housing |
| 2005 | Chevrolet | Silverado 3500 | LS | N/A | Engine Water Pump - Includes back plate housing |
| 2005 | Chevrolet | Silverado 3500 | Base | N/A | Engine Water Pump - Includes back plate housing |
| 2005 | GMC | Sierra 2500 HD | WT | N/A | Engine Water Pump - Includes back plate housing |
| 2005 | GMC | Sierra 2500 HD | SLT | N/A | Engine Water Pump - Includes back plate housing |
| 2005 | GMC | Sierra 2500 HD | SLE | N/A | Engine Water Pump - Includes back plate housing |
| 2005 | GMC | Sierra 2500 HD | Base | N/A | Engine Water Pump - Includes back plate housing |
| 2005 | GMC | Sierra 3500 | WT | N/A | Engine Water Pump - Includes back plate housing |
| 2005 | GMC | Sierra 3500 | SLT | N/A | Engine Water Pump - Includes back plate housing |
| 2005 | GMC | Sierra 3500 | SLE | N/A | Engine Water Pump - Includes back plate housing |
| 2005 | GMC | Sierra 3500 | Base | N/A | Engine Water Pump - Includes back plate housing |
| 2004 | Chevrolet | Silverado 2500 HD | WT | N/A | Engine Water Pump - Includes back plate housing |
| 2004 | Chevrolet | Silverado 2500 HD | LT | N/A | Engine Water Pump - Includes back plate housing |
| 2004 | Chevrolet | Silverado 2500 HD | LS | N/A | Engine Water Pump - Includes back plate housing |
| 2004 | Chevrolet | Silverado 2500 HD | Base | N/A | Engine Water Pump - Includes back plate housing |
| 2004 | Chevrolet | Silverado 3500 | WT | N/A | Engine Water Pump - Includes back plate housing |
| 2004 | Chevrolet | Silverado 3500 | LT | N/A | Engine Water Pump - Includes back plate housing |
| 2004 | Chevrolet | Silverado 3500 | LS | N/A | Engine Water Pump - Includes back plate housing |
| 2004 | Chevrolet | Silverado 3500 | Base | N/A | Engine Water Pump - Includes back plate housing |
| 2004 | GMC | Sierra 2500 HD | WT | N/A | Engine Water Pump - Includes back plate housing |
| 2004 | GMC | Sierra 2500 HD | SLT | N/A | Engine Water Pump - Includes back plate housing |
| 2004 | GMC | Sierra 2500 HD | SLE | N/A | Engine Water Pump - Includes back plate housing |
| 2004 | GMC | Sierra 2500 HD | Base | N/A | Engine Water Pump - Includes back plate housing |
| 2004 | GMC | Sierra 3500 | WT | N/A | Engine Water Pump - Includes back plate housing |
| 2004 | GMC | Sierra 3500 | SLT | N/A | Engine Water Pump - Includes back plate housing |
| 2004 | GMC | Sierra 3500 | SLE | N/A | Engine Water Pump - Includes back plate housing |
| 2004 | GMC | Sierra 3500 | Base | N/A | Engine Water Pump - Includes back plate housing |
| 2003 | Chevrolet | Silverado 2500 HD | LT | N/A | Engine Water Pump - Includes back plate housing |
| 2003 | Chevrolet | Silverado 2500 HD | LS | N/A | Engine Water Pump - Includes back plate housing |
| 2003 | Chevrolet | Silverado 2500 HD | Base | N/A | Engine Water Pump - Includes back plate housing |
| 2003 | Chevrolet | Silverado 3500 | LT | N/A | Engine Water Pump - Includes back plate housing |
| 2003 | Chevrolet | Silverado 3500 | LS | N/A | Engine Water Pump - Includes back plate housing |
| 2003 | Chevrolet | Silverado 3500 | Base | N/A | Engine Water Pump - Includes back plate housing |
| 2003 | GMC | Sierra 2500 HD | WT | N/A | Engine Water Pump - Includes back plate housing |
| 2003 | GMC | Sierra 2500 HD | SLT | N/A | Engine Water Pump - Includes back plate housing |
| 2003 | GMC | Sierra 2500 HD | SLE | N/A | Engine Water Pump - Includes back plate housing |
| 2003 | GMC | Sierra 2500 HD | Base | N/A | Engine Water Pump - Includes back plate housing |
| 2003 | GMC | Sierra 3500 | SLT | N/A | Engine Water Pump - Includes back plate housing |
| 2003 | GMC | Sierra 3500 | SLE | N/A | Engine Water Pump - Includes back plate housing |
| 2003 | GMC | Sierra 3500 | Base | N/A | Engine Water Pump - Includes back plate housing |
| 2002 | Chevrolet | Silverado 2500 HD | LT | N/A | Engine Water Pump - Includes back plate housing |
| 2002 | Chevrolet | Silverado 2500 HD | LS | N/A | Engine Water Pump - Includes back plate housing |
| 2002 | Chevrolet | Silverado 2500 HD | Base | N/A | Engine Water Pump - Includes back plate housing |
| 2002 | Chevrolet | Silverado 3500 | LT | N/A | Engine Water Pump - Includes back plate housing |
| 2002 | Chevrolet | Silverado 3500 | LS | N/A | Engine Water Pump - Includes back plate housing |
| 2002 | Chevrolet | Silverado 3500 | Base | N/A | Engine Water Pump - Includes back plate housing |
| 2002 | GMC | Sierra 2500 HD | SLT | N/A | Engine Water Pump - Includes back plate housing |
| 2002 | GMC | Sierra 2500 HD | SLE | N/A | Engine Water Pump - Includes back plate housing |
| 2002 | GMC | Sierra 2500 HD | SL | N/A | Engine Water Pump - Includes back plate housing |
| 2002 | GMC | Sierra 2500 HD | Base | N/A | Engine Water Pump - Includes back plate housing |
| 2002 | GMC | Sierra 3500 | SLT | N/A | Engine Water Pump - Includes back plate housing |
| 2002 | GMC | Sierra 3500 | SLE | N/A | Engine Water Pump - Includes back plate housing |
| 2002 | GMC | Sierra 3500 | SL | N/A | Engine Water Pump - Includes back plate housing |
| 2002 | GMC | Sierra 3500 | Base | N/A | Engine Water Pump - Includes back plate housing |
| 2001 | Chevrolet | Silverado 2500 HD | LT | N/A | Engine Water Pump - Includes back plate housing |
| 2001 | Chevrolet | Silverado 2500 HD | LS | N/A | Engine Water Pump - Includes back plate housing |
| 2001 | Chevrolet | Silverado 2500 HD | Base | N/A | Engine Water Pump - Includes back plate housing |
| 2001 | Chevrolet | Silverado 3500 | LT | N/A | Engine Water Pump - Includes back plate housing |
| 2001 | Chevrolet | Silverado 3500 | LS | N/A | Engine Water Pump - Includes back plate housing |
| 2001 | Chevrolet | Silverado 3500 | Base | N/A | Engine Water Pump - Includes back plate housing |
| 2001 | GMC | Sierra 2500 HD | SLT | N/A | Engine Water Pump - Includes back plate housing |
| 2001 | GMC | Sierra 2500 HD | SLE | N/A | Engine Water Pump - Includes back plate housing |
| 2001 | GMC | Sierra 2500 HD | SL | N/A | Engine Water Pump - Includes back plate housing |
| 2001 | GMC | Sierra 3500 | SLT | N/A | Engine Water Pump - Includes back plate housing |
| 2001 | GMC | Sierra 3500 | SLE | N/A | Engine Water Pump - Includes back plate housing |
| 2001 | GMC | Sierra 3500 | SL | N/A | Engine Water Pump - Includes back plate housing |
| No rows match your filter. | |||||
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Gates — 42349BH252-994