FITMENT: 7222 Injector Tube Remover fits for GM 6.6L Duramax Diesel 2001-2021. 6778 Injector Puller for GM Duramax 6.6L engines 2001-2004. 6779 Injector Puller for GM Duramax 6.6L engines 2005-2011. FEATURES: 1）Superior Material-- Made of heavy duty steel, for great strength, durability, and long service life, surface coated with black oxide finish for resistance to rust and corrosion. Never worry wear or damage to the tool! .
