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Supercooler Water Pump Cover and Impeller Kit - WPK-38B

  • Part #:
    492311
  • Mfg Part #:
    WPK-38B
  • OEM/Ref#:
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Supercooler Water Pump Cover and Impeller Kit - WPK-38B

  • Part #:
    492311
  • Mfg Part #:
    WPK-38B
  • OEM/Ref#:
MSRP: $189.95

Price: $170.96 10% off!
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Boyesen Supercooler Water Pump Cover and Impeller Kit - WPK-38B
  • Designed to increase coolant flow at all rpm ranges
  • Patented Nautilus-style impeller for hydrodynamic efficiency
Specifications
Part #: 492311
Mfg #: WPK-38B
Color Black
Type Water Pump Cover
Units Each
Weight 0.37 lbs
Alternate/OEM Part Number(s):
09400413
UPC Code:
804429506422
Resources & Manuals
Fitment for Boyesen Supercooler Water Pump Cover and Impeller Kit - WPK-38B

Part 492311 fits the following machines

Yamaha
  • WR426F 2001-2002
  • WR450F 2003-2009
  • YFZ450 2004-2009
  • YFZ450BB Bill Ballance Edition 2006-2007
  • YFZ450LE Limited Edition 2004
  • YFZ450SE Special Edition 2005, 2007
  • YFZ450SE2 Special Edition 2 2007
  • YFZ450SP 50th Anniversary Edition 2006
  • YFZ450SP Special Edition 2008
  • YFZ450SP2 Special Edition 2 2008
  • YZ426F 2000-2002
  • YZ450F 2003-2009
  • YZ450FSP 50th Anniversary Edition 2006

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5.0 / 5.0
6 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
6
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0
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0
Fit
5.0 / 5
Quality
5.0 / 5
Style
5.0 / 5
Value
4.8 / 5
Fit
5 / 5
Quality
5 / 5
Style
5 / 5
Value
5 / 5
Excellent purchase and upgrade for my crf450r
Love it saves engine from over heating and damage big difference compared to stock part
March 11, 2013
Pasadena, MD
Fit
5 / 5
Quality
5 / 5
Style
5 / 5
Value
5 / 5
awesome water pump!
This is the best cover and impeller kit out their i put one on my 2002 crf 450 took about an hr, boy was it worth every penny my bike stays cool in all conditions, buy one and you, WILL BE HAPPY!
September 13, 2010
Fit
5 / 5
Quality
5 / 5
Style
5 / 5
Value
5 / 5
Supercooler water pump
Great product and easy to install, bike runs much cooler
September 26, 2012
Fit
5 / 5
Quality
5 / 5
Style
5 / 5
Value
5 / 5
work as it says
impeller helped bike run cooler and cover added design to motor. goes great with matching clutch and ignition cover
March 21, 2013
Fit
5 / 5
Quality
5 / 5
Style
5 / 5
Value
5 / 5
No Review Title Entered By User
Easy to install and works very well on my 2007 wr450. Definitely recommend!
May 28, 2012
Fit
5 / 5
Quality
5 / 5
Style
5 / 5
Value
4 / 5
No Review Title Entered By User
Great fit. My engine runs nice and cool. I installed this when I installed my big bore kit on my WR450. Its a must have. Works great.
August 7, 2011