RAM 2019-2021 6.7L SO Brand New Stock Injector - Single -DDP 2500 this is because your Duramax

this is because your Duramax doesn't come with a factory System like other diesels

the DRP series System can be installed by any novice mechanic and installs onto the vehicles frame with the supplied bracket

a built-in water separation filter and FASS Diesel Fuel Systems patented air/vapor removal process

Filter Type Dry

No Drop Installation

RAM 2019-2021 6.7L SO Brand New Stock Injector - Single -DDP 2500 this is because your DuramaxRAM 19 21 6. 7L Injector: Brand New Stock power level injector Single. Need 6 for a complete set. Details: RAM 2019 2021 6. 7L SO Brand New Stock Injector Single Liter: 6. 7 Engine: Cummins Years: 2019 2021 Fuel Type: Diesel Condition: New Output Rating: Standard Output Not For Sale In California