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Boyesen Supercooler Black Water Pump Cover & Impeller Kit (WPK-31B) - Picture 1 of 1

Boyesen - WPK-31B - Supercooler Kit, Black

5.02 product ratings
PERF-MOTO (204301)
99.2% positive feedback
Price:
$145.16
Free shipping
Estimated delivery Thu, Nov 6 - Thu, Nov 13
Returns:
30 days returns. Seller pays for return shipping.
Condition:
New
An aluminum investment-cast water pump cover and impeller combo; specifically designed to enhance the performance of your engine's cooling system This 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 Patented nautilus-style impeller for hydrodynamic efficiency .

About this product

Product Identifiers

BrandBoyesen
Manufacturer Part NumberWPK-31B
eBay Product ID (ePID)171186964

Additional Product Features

Part TypeSupercooler Kit

All listings for this product

Buy It Nowselected
New
Boyesen Supercooler Black Water Pump Cover & Impeller Kit (WPK-31B)
item 1 Boyesen Supercooler Black Water Pump Cover & Impeller Kit (WPK-31B)
$145.16
Free shipping
Boyesen Supercooler Kit - Black Motorcycle ATV/UTV Dirt Bike WPK-31B 0940-0399
item 2 Boyesen Supercooler Kit - Black Motorcycle ATV/UTV Dirt Bike WPK-31B 0940-0399
$145.52
Free shipping
Boyesen Supercooler Black Water Pump Cover & Impeller Kit (WPK-31B)
item 3 Boyesen Supercooler Black Water Pump Cover & Impeller Kit (WPK-31B)
$163.22
Free shipping
Boyesen Impeller/Waterpump Cover YZ 125 | WPK-31B
item 4 Boyesen Impeller/Waterpump Cover YZ 125 | WPK-31B
$163.39
Free shipping
Boyesen Supercooler Kit Black #WPK-31B fits Yamaha YZ125 1998-2004
item 5 Boyesen Supercooler Kit Black #WPK-31B fits Yamaha YZ125 1998-2004
$165.39
Free shipping
Boyesen Supercooler Kit - Black - WPK-31B
item 6 Boyesen Supercooler Kit - Black - WPK-31B
$165.80
Free shipping
Boyesen Impeller/Waterpump Cover YZ 125 WPK-31B
item 7 Boyesen Impeller/Waterpump Cover YZ 125 WPK-31B
$169.73
Free shipping
Boyesen Supercooler Kit Black WPK-31B YZ125 1998-2004
item 8 Boyesen Supercooler Kit Black WPK-31B YZ125 1998-2004
$172.99
Free shipping
BOYESEN WPK-31B Impeller/Waterpump Cover - Black - Yamaha
item 9 BOYESEN WPK-31B Impeller/Waterpump Cover - Black - Yamaha
$175.46
Free shipping
Boyesen Black Water Pump Cover - WPK-31B
item 10 Boyesen Black Water Pump Cover - WPK-31B
$175.46
Free shipping
Boyesen - WPK-31B - Supercooler Kit, Black
item 11 Boyesen - WPK-31B - Supercooler Kit, Black
$175.46
Free shipping
Boyesen WPK-31B Water Pump Cover/Impeller fits Yamaha YZ125
item 12 Boyesen WPK-31B Water Pump Cover/Impeller fits Yamaha YZ125
$181.66
Free shipping
Boyesen Supercooler Kit Black WPK-31B
item 13 Boyesen Supercooler Kit Black WPK-31B
$182.70
Free shipping
Boyesen WPK-31B Supercooler Kit - Black
item 14 Boyesen WPK-31B Supercooler Kit - Black
$183.97
Free shipping
Boyesen Supercooler Kit Black #WPK-31B
item 15 Boyesen Supercooler Kit Black #WPK-31B
$183.97
Free shipping
Boyesen Supercooler Kit Black WPK-31B
item 16 Boyesen Supercooler Kit Black WPK-31B
$185.20
Free shipping
Boyesen WPK-31B Supercooler Kit - Black
item 17 Boyesen WPK-31B Supercooler Kit - Black
$185.20
Free shipping
BOYESEN WPK-31B Impeller/Waterpump Cover - Black - Yamaha
item 18 BOYESEN WPK-31B Impeller/Waterpump Cover - Black - Yamaha
$188.16
Free shipping
Boyesen Supercooler Kit Black WPK-31B
item 19 Boyesen Supercooler Kit Black WPK-31B
$189.10
Free shipping
Boyesen - WPK-31B - Supercooler Kit, Black
item 20 Boyesen - WPK-31B - Supercooler Kit, Black
$189.95
Free shipping
Boyesen Supercooler Kit Black WPK-31B
item 21 Boyesen Supercooler Kit Black WPK-31B
$193.00
Free shipping
Boyesen WPK-31B Supercooler Kit - Black
item 22 Boyesen WPK-31B Supercooler Kit - Black
$194.04
Free shipping
Boyesen WPK-31B Supercooler Water Pump Cover Kit Black Yamaha YZ125 1998-2004
item 23 Boyesen WPK-31B Supercooler Water Pump Cover Kit Black Yamaha YZ125 1998-2004
$194.95
Free shipping
Boyesen Supercooler Water Pump Kit Black WPK-31B for 1998-2004 Yamaha YZ 125
item 24 Boyesen Supercooler Water Pump Kit Black WPK-31B for 1998-2004 Yamaha YZ 125
$194.95
Free shipping
Boyesen Supercooler Water Pump Kit Black WPK-31B
item 25 Boyesen Supercooler Water Pump Kit Black WPK-31B
$194.95
Free shipping
Yamaha YZ125 Boyesen Supercooler Kit WPK-31B
item 26 Yamaha YZ125 Boyesen Supercooler Kit WPK-31B
$194.95
Free shipping
BOYESEN Impeller/Waterpump Cover - Black - Fits Yamaha WPK-31B
item 27 BOYESEN Impeller/Waterpump Cover - Black - Fits Yamaha WPK-31B
$194.95
Free shipping
1998-2004 for Yamaha YZ 125 BOYESEN Impeller/Waterpump Cover WPK-31B
item 28 1998-2004 for Yamaha YZ 125 BOYESEN Impeller/Waterpump Cover WPK-31B
$194.95
Free shipping
Boyesen Supercooler Kit WPK-31B Black
item 29 Boyesen Supercooler Kit WPK-31B Black
$194.95
Free shipping
Boyesen WPK-31B Supercooler Kit Black
item 30 Boyesen WPK-31B Supercooler Kit Black
$194.95
Free shipping
BOYESEN 0940-0399 WPK-31B Supercooler Water Pump Cover and Impeller Kit
item 31 BOYESEN 0940-0399 WPK-31B Supercooler Water Pump Cover and Impeller Kit
$194.95
Free shipping
Boyesen Supercooler Kit Black WPK-31B
item 32 Boyesen Supercooler Kit Black WPK-31B
$194.95
Free shipping
WPK-31B Boyesen Supercooler Kit
item 33 WPK-31B Boyesen Supercooler Kit
$194.95
+$6.99 shipping
BOYESEN BLACK SuperCooler Water Pump Cover/Impeller Kit 1998-2004 YZ125 WPK-31B
item 34 BOYESEN BLACK SuperCooler Water Pump Cover/Impeller Kit 1998-2004 YZ125 WPK-31B
$204.70
Free shipping
Boyesen Supercooler Kit WPK-31B
item 35 Boyesen Supercooler Kit WPK-31B
$194.95
+$9.95 shipping
BOYESEN BOYESEN SUPERCOOLER KITS WPK-31B
item 36 BOYESEN BOYESEN SUPERCOOLER KITS WPK-31B
$206.91
Free shipping
Boyesen Supercooler Water Pump Cover And Impeller Kit Wpk31B
item 37 Boyesen Supercooler Water Pump Cover And Impeller Kit Wpk31B
$194.95
+$12.00 shipping
listings for this product

Ratings and Reviews

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5.0
2 product ratings
  • 2 users rated this 5 out of 5 stars
  • 0 users rated this 4 out of 5 stars
  • 0 users rated this 3 out of 5 stars
  • 0 users rated this 2 out of 5 stars
  • 0 users rated this 1 out of 5 stars

Most relevant reviews

  • by m_popop_trfztj0s4k
    Jun 24, 2025

    This boyesen part is so cool. Super high...

    This boyesen part is so cool. Super high quality and works very well

    Verified purchase: YesCondition: New

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