OE Quality
60-Day Returns

Rein WPR0042 Engine Water Pump
Reliable Engine Water Pump for BMW M3
The Rein WPR0042 engine water pump is designed specifically for BMW M3 models, ensuring precise fitment and optimal cooling system performance. Engineered with durable materials and OE-quality components, this water pump supports efficient engine temperature regulation.
Key Features of Rein WPR0042 Water Pump
- Silicon carbide seals enhance durability and reduce wear over time
- OE-designed bearings extend the service life of the pump
- Metal impeller construction for reliable coolant flow
- Includes detailed installation instructions for proper setup
- Backed by a 4-year or 50,000-mile warranty for quality assurance
Detailed Product Description
The Rein WPR0042 water pump is an application-specific component tailored for the BMW M3, manufactured with precision to meet original equipment standards. Its silicon carbide seals provide improved resistance to heat and corrosion, which helps maintain pump integrity under demanding engine conditions. The use of OE-designed bearings ensures smooth operation and longevity, reducing the likelihood of premature failure. The metal impeller is engineered to maintain consistent coolant circulation, critical for preventing engine overheating. This water pump comes packaged in a box and includes installation instructions to assist with proper fitting and maintenance.
Common Issues Addressed by This Water Pump
- Engine overheating due to coolant circulation failure
- Coolant leaks caused by worn or damaged seals
- Noise or rough operation from failing pump bearings
- Reduced engine performance linked to inefficient cooling
- Premature pump failure from substandard replacement parts
Installation Notes and Tips
Installation instructions are included with the Rein WPR0042 water pump to guide proper mounting and connection. It is important to follow all enclosed guidelines to maximize pump life and ensure correct operation. Use recommended coolant types and verify all hose connections are secure. Inspect the cooling system for any additional wear or damage during installation to prevent future issues.
Quality Assurance and Warranty
Rein supports the WPR0042 water pump with a 4-year or 50,000-mile warranty, providing confidence in its durability and performance. Manufactured in Spain, this pump meets stringent quality standards and is designed to deliver reliable service in BMW M3 vehicles. The warranty covers defects in materials and workmanship under normal use conditions.
| Brand | Rein |
| Part Number | WPR0042 |
| Application Type | ApplicationSpecific |
| Container Type | BX |
| Country of Origin | ES |
| Installation Instructions Included | Yes |
| Item Height | 5.9400 |
| Item Length | 8.2700 |
| Item Level GTIN | 843266077313 |
| Item Qty | 1 |
| Item UOM | EA |
| Item Weight | 3.8800 |
| Item Weight Unit UOM | LB |
| Item Width | 6.7300 |
| Link to Manufacturer Page | www.reinautomotive.com |
| Product Desc Invoice 40 | Rein Water Pump |
| Product Desc Long 80 | Rein OE Quality Water Pump |
| Product Desc Short 20 | Water Pump |
| WP Impeller Material | Metal |
| Warranty Distance | 24000 |
| Warranty Time | 24 |
This part fits 6 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2006 | BMW | M3 | 3.2L | L6 | N/A | |
| 2005 | BMW | M3 | 3.2L | L6 | N/A | |
| 2004 | BMW | M3 | 3.2L | L6 | N/A | |
| 2003 | BMW | M3 | 3.2L | L6 | N/A | |
| 2002 | BMW | M3 | 3.2L | L6 | N/A | |
| 2001 | BMW | M3 | 3.2L | L6 | N/A |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.