HomeBelts and Cooling > Water Pump and Related ComponentsRein WPR0042 Engine Water Pump
Part #: WPR0042

Rein WPR0042 Engine Water Pump

⚙️ 6 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$185.38Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: BMW, M3
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

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.

BrandRein
Part NumberWPR0042
Application TypeApplicationSpecific
Container TypeBX
Country of OriginES
Installation Instructions IncludedYes
Item Height5.9400
Item Length8.2700
Item Level GTIN843266077313
Item Qty1
Item UOMEA
Item Weight3.8800
Item Weight Unit UOMLB
Item Width6.7300
Link to Manufacturer Pagewww.reinautomotive.com
Product Desc Invoice 40Rein Water Pump
Product Desc Long 80Rein OE Quality Water Pump
Product Desc Short 20Water Pump
WP Impeller MaterialMetal
Warranty Distance24000
Warranty Time24

This part fits 6 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2006BMWM33.2LL6N/A
2005BMWM33.2LL6N/A
2004BMWM33.2LL6N/A
2003BMWM33.2LL6N/A
2002BMWM33.2LL6N/A
2001BMWM33.2LL6N/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.