Enhance your Honda CRF450R’s cooling system with the Boyesen Supercooler Water Pump Cover and Impeller Kit.

Specifically engineered for off-road enthusiasts, this premium kit improves coolant flow across all RPM ranges, ensuring that your engine runs cooler and more efficiently.

Crafted from aluminum and investment-cast for precision, the water pump cover and patented nautilus-style impeller deliver superior hydrodynamic efficiency.

By maintaining a more constant, lower operating temperature, you’ll enjoy extended engine life, smoother power delivery, and increased reliability.

The super-tough, powder-coated black finish adds a sleek, professional touch to your bike’s aesthetics, while withstanding wear and weathering.

Designed to integrate seamlessly with your Honda CRF450R, the Boyesen Supercooler Kit offers an easy, effective upgrade that transforms your riding experience.

Ride confidently, knowing your engine’s cooling demands are met, lap after lap, trail after trail.

Item Specifics:

• Brand: Boyesen
• Manufacturer Part Number: WPK06AB / 0940-0896
• Product Name: Cover and Impeller Kit
• Type: Water Pump
• Model: Supercooler
• Color/Finish: Powder-Coated / Black
• Material: Aluminum
• Units: Kit
• Riding Style: Off-Road
• Features:
  • Aluminum investment-cast water pump cover and impeller combo
  • High-flow, hydrodynamic design increases coolant flow at all RPM ranges
  • Maintains cooler, more stable engine temperatures
  • Patented nautilus-style impeller enhances hydrodynamic efficiency
  • Extends engine life by optimizing cooling performance

Fitment Table:

This Boyesen Supercooler Water Pump Cover & Impeller Kit fits the following Honda models:

Package Information:

• Weight: 0.35 lbs
• Dimensions:
  • Height: 2.55 inches
  • Length: 5.66 inches
  • Width: 4.56 inches

Condition: New

Note: Please verify your motorcycle’s model and year for exact compatibility before purchasing. 

Transform your Honda CRF450R’s cooling capabilities with the Boyesen Supercooler Water Pump Kit—ride cooler, ride longer, and ride with confidence!