Fits: 2017 thru 2023 Chevy Silverado/GMC Sierra 2500HD/3500HD L5P Duramax Diesel

Genuine Denso HP4 injection pump for your 2017-2023 Silverado/Sierra with L5P Duramax. These pumps are precision remanufactured using the highest quality components and updates available.

Includes:

• HP4 Injection Pump

Optional:

• pump install kit will include the necessary gaskets for the HP4 pump installation.

Replaces:

• GM part#12701094, 12678993.