(For 2001- 2004 GM Duramax 6.6L Steel Injector Puller 6778 Kent Moore J-44639. 3) Replace OTC 6778 and Kent Moore J-44639. 1× Injector Puller. Works on 2001~2004 GM Duramax 6.6L Engines. Simply insert the tool into the injector retainer bracket bolt hole.
