04.5-10 GM 6.6L Duramax Dtech Injector Return Line Kit

The Dtech Injector Line Return Kit is a replacement to the stock fuel line return kits and can be used on either side of the engine. Includes return adapters, o-rings, adapter retaining clips and a length of return line hose for either side of your engine. This includes one kit, if you'd like to replace both return lines at the same time please purchase two.

Part number: DT660023