Specifications:

  • Brand New AC Delco OE Series Engine Water Pump
  • Direct replacement
  • Built to strict quality control standards

Lifetime Warranty

This item is backed by a Limited Lifetime Warranty. In the event this item should fail due to manufacturing defects during intended use, we will exchange the part free of charge (excludes shipping charges) for the original purchaser. Please keep your invoice for proof of this warranty.

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Vehicle Fit

  • 2004-2007 Buick Rainier GM Original Equipment Engine Water Pump L6 4.2L ACDelco 251-731
  • 2004-2008 Chevy Colorado GM Original Equipment Engine Water Pump ACDelco 251-731
  • 2009-2012 Chevy Colorado GM Original Equipment Engine Water Pump L5 3.7L ACDelco 251-731
  • 2009-2012 Chevy Colorado GM Original Equipment Engine Water Pump L4 2.9L ACDelco 251-731
  • 2002-2009 Chevy Trailblazer GM Original Equipment Engine Water Pump L6 4.2L ACDelco 251-731
  • 2002-2006 Chevy Trailblazer EXT GM Original Equipment Engine Water Pump L6 4.2L ACDelco 251-731
  • 2004-2008 GMC Canyon GM Original Equipment Engine Water Pump ACDelco 251-731
  • 2009-2012 GMC Canyon GM Original Equipment Engine Water Pump L4 2.9L ACDelco 251-731
  • 2009-2010 GMC Canyon GM Original Equipment Engine Water Pump L5 3.7L ACDelco 251-731
  • 2002-2009 GMC Envoy GM Original Equipment Engine Water Pump L6 4.2L ACDelco 251-731
  • 2002-2006 GMC Envoy XL GM Original Equipment Engine Water Pump L6 4.2L ACDelco 251-731
  • 2004-2005 GMC Envoy XUV GM Original Equipment Engine Water Pump L6 4.2L ACDelco 251-731
  • 2006 Hummer H3 GM Original Equipment Engine Water Pump ACDelco 251-731
  • 2007-2010 Hummer H3 GM Original Equipment Engine Water Pump L5 3.7L ACDelco 251-731
  • 2009-2010 Hummer H3T GM Original Equipment Engine Water Pump L5 3.7L ACDelco 251-731
  • 2003-2008 Isuzu Ascender GM Original Equipment Engine Water Pump L6 4.2L ACDelco 251-731
  • 2007-2008 Isuzu i-290 GM Original Equipment Engine Water Pump ACDelco 251-731
  • 2007-2008 Isuzu i-370 GM Original Equipment Engine Water Pump ACDelco 251-731
  • 2002-2004 Olds Bravada GM Original Equipment Engine Water Pump ACDelco 251-731
  • 2005-2009 Saab 9-7X GM Original Equipment Engine Water Pump L6 4.2L ACDelco 251-731

This part replaces:

  • ACDelco 251-731
  • Reference Number 251-731
  • Hollander 324-00878
  • OE # 12620226
Only 2 left in stock
Part #: ACEWP00021

Ships Same Day for orders placed by 4 P.M. ET

AC DELCO
Brand #: 251-731