The Dorman 904-122 Passenger Side Fuel Injector Return Line for your 2004.5-2010 GM 6.6L Duramax is an affordable option to the factory replacement. Dormans Fuel Injector Line restores proper operation of your fuel injection system. These should be replaced when installing new injectors to avoid any leaks. Fits passenger/left side.
- Direct Fit
- Passenger/Left Side
- Replaces GM Part#: 97328733, 97363195