Fuel Injector Return Line; Passenger Side (04-05 6.6L Duramax Sierra 3500 HD w/ VIN 2; 06-10 6.6L Duramax Sierra 3500 HD)Find parts that fit my vehicle

Fuel Injector Return Line Overview. The Fuel Injector Return Line; Passenger Side facilitates the return flow of excess fuel from the fuel injectors to the fuel tank, ensuring efficient fuel pressure regulation and system performance. It is essential for maintaining engine efficiency and preventing fuel leaks in the fuel injection system. Proper function of this line helps keep the engine running smoothly and reliably.

Construction and Appearance. Constructed from durable rubber, this fuel return line features plastic fittings with male inlet and female outlet genders for secure connections. It has a robust black finish, providing resistance to heat and chemical exposure, and is designed to withstand high pressure up to 40,000 psi, ensuring longevity in demanding engine environments.

Installation. Installation of this fuel injector return line is straightforward with no drilling required, suitable for professional installation or experienced automotive enthusiasts. The line is designed to fit directly into factory mounting points, making replacement efficient and hassle-free.

Warranty. This part includes a two-year warranty, covering defects in materials and workmanship for peace of mind.

Application. Specifically designed to fit 04-05 6.6L Duramax Sierra 3500 HD with VIN 2 and 06-10 6.6L Duramax Sierra 3500 HD, ensuring compatibility with these models only.

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