Duramax L5P / L5D 2017-2023 Denso OEM New HP4 Injector Pump



  • same day shipping

    Most orders placed before 3:30 pm PST Monday-Friday will be shipped the SAME business day. See our Shipping Policy for more information.

  • no hassle 60 day returns

    60 day return period for any product that has not been installed and is in "brand-new" condition. See our Returns Policy for more information.

  • best warranty

    Our Limited Warranty covers manufacturing defects for 2 years on Refurbished or Remanufactured products and 3 Years on New products. See our Limited Warranty Policy for more information.

  • low price guarantee

    Found an identical product cheaper elsewhere? We want to earn your business! Send an email to sales@injectorsdirect.com with a link to the product in question. We will do our best to match or beat it!


Check this out!

Check this out!


L5P / L5D 2017-2023 HP4 Injector Pump

GM Part # 12678993, 12701094

Denso Part # 294050-0701

International Part # 6040608C91

Denso OEM New – $649.99 (Pictured)

Replaces Alliant Power Part #  AP54850, AP54851

The Denso OEM New pump is brand new, with every piece on the pump being new, same as you would get from your local GM dealer. This pump includes a new fuel pressure regulator & features all the most up to date components from Denso backed a 3 year, unlimited mileage warranty. Warranty information can be found HERE.