DHD's compact fuel tank sump with built-in fuel return is a favorite amongst lift pump customers. Unlike some large diameter sumps, DHD's compact design makes it easier to find flat surfaces on the base of the tank. Installing a sump on your truck can help avoid the common 1/4 tank issues associated with in-tank draw straws used with fuel systems such as AirDog, FASS and many others.
The Built in Return Difference!:
Installation of most lift pump systems require you to cut and "tee" into your factory fuel filler neck. In some cases, modifications to the filler neck can cause leaks, and also cause fuel pumps to "click off" when refueling. Using the built-in return port, you can easily route return fuel back to the tank without having to modify any other components for a clean and easy installation. This sumps raised return stand pipe places returned fuel above the fuel feed. This design eliminates the possibility of feeding your engine the aerated return fuel coming back to your fuel tank.
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