Bostech BD6301637 Fuel Injector Return Line Kit - 2004.5-2010 GM 6.6L Duramax LLY/LBZ/LMM

Product Name: Bostech BD6301637 Fuel Injector Return Line Kit - 2004.5-2010 GM 6.6L Duramax LLY/LBZ/LMM
Manufacturer :Bostech
Manufacturer Part #: BD6301637
Thoroughbred Diesel Part #: BOTBD6301637
Fitment Notes: 2004.5-2010 GM 6.6L Duramax LLY/LBZ/LMM

The Diesel Fuel Return Line plays an important part in the engine's fuel system by returning unused fuel from the engine back to the fuel tank. It prevents flooding in the engine and helps ensures efficient fuel usage.

Bostech Fuel Return Line Kit for GM 6.6L Duramax is designed to the OEM specifications for function. Our universal kit comes with the needed hose, tee and elbow connectors, and clips to replace one side of the fuel return system.

Engine Fitment:

• GM Duramax LLY / LBZ / LMM

Note: Vehicle application information for reference only and may not include all year, make, and/or models. To ensure correct replacement verify by the OEM part number interchange.

Interchange