Ultimate Brand New Injector Replacement Package, 2001-2004 LB7


$3,457.15 Includes Free Shipping.

WARNING: Cancer and Reproductive Harm - www.P65Warnings.Ca.Gov

Fits: 2001 thru 2004 Chevy Silverado/GMC Sierra 2500HD/3500HD LB7 Duramax Diesel

Looking for the absolute best replacement injectors for your LB7 Duramax? DmaxStore has you covered at an amazing price. This kit includes BRAND NEW LB7 fuel injectors which we have thoroughly tested for quality and performance on and off the road. DmaxStore has been selling and installing these in our customer's trucks with excellent results. There is no better choice when your Duramax injectors need to be replaced. This package includes everything necessary to replace all 8 fuel injectors, 1 bottle of Opti Lube Extreme Lubricity Formula, all required parts for a full fuel filter head rebuild, and an AirDog or Fass Lift Pump system to maximize fuel filtration and help prevent future injector issues. Best of all, since these are BRAND NEW injectors there is NO CORE CHARGE. Replacement injector line retainer clip and injector line retainer bolt available separately.


  • 1 x Set of 8 BRAND NEW LB7 Fuel Injectors
  • 1 x LB7 Injector install kit
  • 1 x Opti-Lube Extreme Lubricity Formula
  • 1 x AC Delco Fuel Filter or Racor Fuel filter, your choice
  • 1 x DmaxStore Fuel Filter Head Rebuild Kit
  • 1 x AirDog or Fass Lift Pump (Choose from dropdown above)
    • ​Now includes the New and Improved Airdog II 5G DF 100


  • We HIGHLY recommend replacing the high pressure lines as well. This will help eliminate the chance of contaminating your brand new injectors.
  • 3 Year Unlimited Mile Warranty
  • AirDog 165GPH or Fass 165 GPH models may require upgraded CP3 and tuning


Customer Reviews

Based on 1 review
Tyler Michael
03 dmax injector kit

Everything worked well. Great kit and excellent customer service so far.