
The Story
Shop the best 03-115 Yamaha WR450F Billet Water Pump Rebuild Kit by BPRATV. Includes CNC billet impeller, gear, shaft, bearing, and seals. Some kits may include OEM-quality Nachi, NTN, or Koyo bearings β sealed bearings can be easily unsealed.
03-15 WR450F WR 450F Billet Water Pump Rebuild Kit CNC Impeller Gear Shaft Seal
π₯ Key Features & Benefits
The original and still the best β this BPRATV Billet Water Pump Rebuild Kit for Yamaha WR450F delivers maximum cooling, premium reliability, and high-performance design. Engineered to outperform OEM and copycat kits with precision CNC billet parts and upgraded materials.
πͺ Performance & Quality You Can Trust
This complete water pump rebuild kit ensures your engine stays cooler, lasts longer, and performs better under pressure β whether you're on the track or trail.
- Hi-flow redesigned billet impeller with larger fins than OEM for superior cooling
- New precision-machined water pump shaft with long-life durability
- Premium SKF OEM upgrade bearing for smooth performance
- Includes both water pump oil seals and cover o-ring gasket
- Titanium cover bolts β lightweight, strong, and corrosion-resistant
Please Note: In some rare cases, you may receive a different brand bearing such as Nachi, NTN, or KoyoΒ β all are OEM quality or better.
β Compatibility
This complete billet water pump rebuild kit fits a wide range of Yamaha 400β450 models β precision-fit, no modification required.
- YFZ450 2004β2013, YFZ450 Bill Balance Edition 2007, YFZ450 LE 2004
- YFZ450 SE 2005β2008, YFZ450X 2008
- YZ400F 1998β1999, YZ426F 2000β2002, YZ450F 2003β2013
- YFZ450 Limited, Special, and Bill Balance Editions 2004β2008
- WR400F 1998β2000, WR426F 2001β2002, WR450F 2003β2015
β Frequently Asked Questions (FAQ)
-
Q: Is this kit made from billet aluminum?
A: Yes, the impeller is CNC-machined from high-grade billet aluminum for maximum strength and cooling efficiency.
-
Q: Does this kit include all necessary seals and bearings?
A: Absolutely β it comes with all seals, gasket, shaft, bearing, and titanium cover bolts.
-
Q: What if my bearing is a different brand or sealed?
A: Occasionally, you may receive a Nachi, NTN, or Koyo bearing β all are OEM quality or better. Some bearings may be sealed, but the seals can be removed easily if desired.
-
Q: How does this improve cooling?
A: The larger impeller fins and billet construction increase coolant flow, helping your engine run significantly cooler.
π Why Buy from BPRATV? Trusted Performance Experts π
At BPRATV, our promise is unwavering: The Best Parts. The Best Performance. The Best Price. We specialize in precision-built rebuild kits and high-performance components trusted by riders and racers worldwide. Trust BPRATV to keep your Yamaha WR450F or WR400FΒ running at its best, every single time.
Upgrade your Yamahaβs cooling system today β precision billet power that lasts!
BPRATV - The Best Parts. The Best Performance. The Best Price.
BRAPPPPPPPPPP!
Β© BPRATV LLC

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
Shop the best 03-115 Yamaha WR450F Billet Water Pump Rebuild Kit by BPRATV. Includes CNC billet impeller, gear, shaft, bearing, and seals. Some kits may include OEM-quality Nachi, NTN, or Koyo bearings β sealed bearings can be easily unsealed.
03-15 WR450F WR 450F Billet Water Pump Rebuild Kit CNC Impeller Gear Shaft Seal
π₯ Key Features & Benefits
The original and still the best β this BPRATV Billet Water Pump Rebuild Kit for Yamaha WR450F delivers maximum cooling, premium reliability, and high-performance design. Engineered to outperform OEM and copycat kits with precision CNC billet parts and upgraded materials.
πͺ Performance & Quality You Can Trust
This complete water pump rebuild kit ensures your engine stays cooler, lasts longer, and performs better under pressure β whether you're on the track or trail.
- Hi-flow redesigned billet impeller with larger fins than OEM for superior cooling
- New precision-machined water pump shaft with long-life durability
- Premium SKF OEM upgrade bearing for smooth performance
- Includes both water pump oil seals and cover o-ring gasket
- Titanium cover bolts β lightweight, strong, and corrosion-resistant
Please Note: In some rare cases, you may receive a different brand bearing such as Nachi, NTN, or KoyoΒ β all are OEM quality or better.
β Compatibility
This complete billet water pump rebuild kit fits a wide range of Yamaha 400β450 models β precision-fit, no modification required.
- YFZ450 2004β2013, YFZ450 Bill Balance Edition 2007, YFZ450 LE 2004
- YFZ450 SE 2005β2008, YFZ450X 2008
- YZ400F 1998β1999, YZ426F 2000β2002, YZ450F 2003β2013
- YFZ450 Limited, Special, and Bill Balance Editions 2004β2008
- WR400F 1998β2000, WR426F 2001β2002, WR450F 2003β2015
β Frequently Asked Questions (FAQ)
-
Q: Is this kit made from billet aluminum?
A: Yes, the impeller is CNC-machined from high-grade billet aluminum for maximum strength and cooling efficiency.
-
Q: Does this kit include all necessary seals and bearings?
A: Absolutely β it comes with all seals, gasket, shaft, bearing, and titanium cover bolts.
-
Q: What if my bearing is a different brand or sealed?
A: Occasionally, you may receive a Nachi, NTN, or Koyo bearing β all are OEM quality or better. Some bearings may be sealed, but the seals can be removed easily if desired.
-
Q: How does this improve cooling?
A: The larger impeller fins and billet construction increase coolant flow, helping your engine run significantly cooler.
π Why Buy from BPRATV? Trusted Performance Experts π
At BPRATV, our promise is unwavering: The Best Parts. The Best Performance. The Best Price. We specialize in precision-built rebuild kits and high-performance components trusted by riders and racers worldwide. Trust BPRATV to keep your Yamaha WR450F or WR400FΒ running at its best, every single time.
Upgrade your Yamahaβs cooling system today β precision billet power that lasts!
BPRATV - The Best Parts. The Best Performance. The Best Price.
BRAPPPPPPPPPP!
Β© BPRATV LLC
















