17-20 L5P GM 6.6L Duramax Water Pump

GM Duramax 6.6L Water Pump – 2017-2020 L5P

SKU: AP63586 Category:


17-20 L5P  6.6L Duramax Water Pump

Alliant Power AP63586 – OE # 12680257

Alliant Water Pump Features:

  • The shaft and hub are precisely ground to exactly fit original equipment fan clutches
  • The unitized seal protects the bearings and provides leak-free, long-life performance
  • The one-piece bearing assembly has factory-sealed bearings that are computer matched for low friction
  • The quality-forged housing is specially formed to ensure maximum coolant flow
  • The precision balanced impeller increases water flow, and extends seal and bearing life
  • The no-sealant-required gasket allows for fast, easy installation.

Additional information

Weight 3 lbs