alliant power

Alliant Power Water Pump - GM 6.6L L5P, L5D Duramax - AP63586

Thoroughbred Sku #: ALPAP63586
Manufacturer Sku #: AP63586

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Product Details

Product Name: Alliant Power Water Pump - GM 6.6L L5P, L5D Duramax - AP63586
Manufacturer: Alliant Power
Manufacturer Part #: AP63586
Thoroughbred Diesel Part #: ALPAP63586
Fitment Notes: 2017-2020 GM Duramax 6.6L L5P | 2019-2020 GM Duramax L5D

Alliant AP63586 Water Pump is a high-quality replacement for the leaking water pump in your 2017-2020 GM 6.6L Duramax L5P. This water pump is a direct fit replacement pump and includes all the O-rings and gasket you need for installation.

Alliant Power Water Pump Features:

  • Direct-Fit Replacement
  • Includes O-Rings & Gasket
  • 2 Year / Unlimited Mileage Warranty
  • For more information on Alliant Power call us at 1-859-737-4966

Note: Replaces OE GM Part# 12680257


AP part number
Year range Application Engine model OEM part number
(water pump &
housing assembly)
AP63586 2017-2020 GM 6.6L L5P Duramax 2500HD/3500HD 12680257,
2019-2020 GM 6.6L L5D Duramax 4500HD/5500HD/6500HD
2019-2020 International 6.6L L5D CV


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