HomeBelts and Cooling > Water Pump and Related ComponentsRein WPS0503 Engine Water Pump Installation Kit
Part #: WPS0503

Rein WPS0503 Engine Water Pump Installation Kit

⚙️ 25 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: BMW, 128i, 323i, 328i, 328i xDrive, and 328xi
🔄Easy Returns — Return within 60 days for a full refund
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Reliable Water Pump Replacement for BMW 128i and 3 Series Models

The Rein Engine Water Pump Installation Kit (Part Number WPS0503) is designed specifically for BMW 128i, 323i, 328i, 328i xDrive, and 328xi models. This application-specific kit provides a comprehensive solution to address common cooling system failures, ensuring proper engine temperature regulation and preventing costly repeat repairs.

Key Features of Rein Water Pump Installation Kit WPS0503

  • Includes an OE quality electric water pump for precise fit and function
  • Addresses the commonly failing plastic coolant hose connector to improve durability
  • Helps to eliminate repeat repairs by replacing critical components
  • Application-specific design tailored for BMW 128i and 3 Series vehicles
  • Manufactured in Germany to meet strict quality standards

Detailed Description of Rein Engine Water Pump Installation Kit

This Rein water pump replacement kit features an OE electric water pump engineered to match original equipment specifications. The kit also replaces the plastic coolant hose connector, a known weak point in BMW cooling systems that can lead to leaks and overheating. By using this kit, you ensure a reliable cooling system restoration that supports engine longevity. The product dimensions (20" length, 8" width, 8" height) and weight (9.1 lbs) reflect a robust assembly designed for durability and ease of installation.

Common Issues Addressed by This Water Pump Kit

  • Overheating caused by failing water pump components
  • Leaks from deteriorated plastic coolant hose connectors
  • Repeat repairs due to incomplete or partial water pump replacements
  • Electric water pump failures affecting engine cooling efficiency

Installation Notes and Tips

Ensure compatibility with your BMW 128i, 323i, 328i, 328i xDrive, or 328xi before installation. This kit is application-specific and designed to replace the electric water pump and associated components. Follow manufacturer torque specifications and coolant system bleeding procedures to avoid air pockets and ensure optimal performance.

Quality Assurance and Warranty Information

Rein backs this water pump installation kit with a 24-month or 24,000-mile warranty, providing confidence in product reliability. Manufactured in Germany, the kit meets OE quality standards to deliver consistent performance and durability for your BMW cooling system needs.

BrandRein
Part NumberWPS0503
Application TypeApplicationspecific
Bullet Point 2Helps to eliminate a repeat repair
Bullet Point 3Contains an oe electric water pump
Bullet Point 4Addresses the commonly failing plastic coolant hose connector
Container TypeBx
Country of OriginDe
Item Height8.0000
Item Length20.0000
Item Level GTIN888544082344
Item Qty1
Item Quantity Size1
Item Quantity Size UOMEa
Item UOMEa
Item Weight9.1000
Item Weight Unit UOMLb
Item Width8.0000
Product Desc Extended 240Rein oe quality electric water pump replacement kit, includes an
Product Desc Invoice 40Rein water pump replacement kit
Product Desc Long 80Rein oe quality electric water pump, thermostat & hose replacemen
Product Desc Short 20Water pump repl. kit
Warranty Distance24000
Warranty Time24

This part fits 25 vehicles. Search below:

YearMakeModelTransmissionLitersCylindersPositionNotes
2013BMW128iManual3.0LL6N/A
2013BMW328iManual3.0LL6N/A
2013BMW328i xDriveManual3.0LL6N/A
2012BMW128iManual3.0LL6N/A
2012BMW328iManual3.0LL6N/A
2012BMW328i xDriveManual3.0LL6N/A
2011BMW128iManual3.0LL6N/A
2011BMW323iManual2.5LL6N/A
2011BMW328iManual3.0LL6N/A
2011BMW328i xDriveManual3.0LL6N/A
2010BMW128iManual3.0LL6N/A
2010BMW323iManual2.5LL6N/A
2010BMW328iManual3.0LL6N/A
2010BMW328i xDriveManual3.0LL6N/A
2009BMW128iManual3.0LL6N/A
2009BMW323iManual2.5LL6N/A
2009BMW328iManual3.0LL6N/A
2009BMW328i xDriveManual3.0LL6N/A
2008BMW128iManual3.0LL6N/A
2008BMW323iManual2.5LL6N/A
2008BMW328iManual3.0LL6N/A
2008BMW328xiManual3.0LL6N/A
2007BMW323iManual2.5LL6N/A
2007BMW328iManual3.0LL6N/A
2007BMW328xiManual3.0LL6N/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:

1151758692511537536655

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.