Description
A failing water pump compromises engine cooling efficiency and risks catastrophic overheating, especially under racing conditions or sustained high-RPM operation. This PROX rebuild kit restores your Yamaha water pump to OEM specifications with quality aftermarket components, eliminating the need for a complete pump replacement and saving significant downtime. Whether you’re maintaining a race engine or refreshing a well-used machine, this kit delivers reliable, cost-effective restoration.
Technical Specifications:
- Manufacturer: PROX
- MPN: 57.2321
- Application: Yamaha
- Type: Water Pump Rebuild Kit
- Fitment: Vehicle-specific
- Installation: Bolt-on replacement
- Contents: OEM-equivalent seals, gaskets, bearings
- Material: Engineered rubber and steel
- Restores cooling system integrity









