In warehouse stock
Boyesen Water Pump Kit — Blue — Yamaha — WR/YZ 450
- An aluminum investment-cast water pump cover and impeller combo; specifically designed to enhance the performance of your engine’s cooling system
- High-flow, hydrodynamic water pump kit has been tested and designed to flow more coolant
- By increasing the flow at all rpm ranges, the engine will run cooler at a more constant temperature
- Nautilus-style impeller for hydrodynamic efficiency
- Extends engine life
$264.95
In stock. Ships in 2–4 business days · free shipping over $150.
View cart & check out →
Questions? Call the shop: 801-361-3010
Real shop · real humans · 1231 N 1300 W Ste A, Centerville, UT 84014
Description & features6 features
- An aluminum investment-cast water pump cover and impeller combo; specifically designed to enhance the performance of your engine’s cooling system
- High-flow, hydrodynamic water pump kit has been tested and designed to flow more coolant
- By increasing the flow at all rpm ranges, the engine will run cooler at a more constant temperature
- Nautilus-style impeller for hydrodynamic efficiency
- Extends engine life
- Made in the USA
Specifications8 specs
- Color/Finish
- Blue, Powder-Coated
- Units
- Kit
- Model
- Supercooler
- Type
- Water Pump
- Riding Style
- Off-Road
- Shipping weight
- 0.49 lb
- Package size
- 5.7 × 4.3 × 2.4 in
- Country of origin
- USA
Fitment3 models · Yamaha
Yamaha3 models
- WR450F2024–2026
- YZ450F2023–2026
- YZ450FX2024–2026
Fitment comes from the distributor’s catalog. Double-check your year, model and trim before you order — or call the counter at 801-361-3010 and we’ll check it with you.
Part numbers
- Salto part #
- 0940-2227
- Boyesen part #
- WPK-38DL
- UPC
- 804429518470
Shipping
In stock at a distributor warehouse. Ships in 2–4 business days by ground.
Ground shipping is $14.95, free on orders over $150. Stock is re-checked with the warehouse before your card is charged.
Questions4 answers
- Is it in stock?
- Yes — the distributor shows it on a shelf at a regional warehouse right now. We check again the moment you order, before anything is charged.
- How fast will it get to me?
- Usually 2–4 business days by ground.
- Will it fit my machine?
- The distributor lists it for the models in the Fitment section above. Not sure about your trim or year? Call the counter at 801-361-3010 and we’ll check it with you.
- Is this genuine Boyesen?
- Yes. It ships new from the same distributors the big online stores buy from — Boyesen part #WPK-38DL.
