This billet aluminum diesel sump with integrated return is machined from T6061 aircraft-grade aluminum and designed for FASS or AirDog pump installations on Cummins, Duramax, and Powerstroke diesel trucks. The integrated return system eliminates the need to run the return line to the top of the tank or cut into the fuel filler neck, cutting install time tremendously. This diesel sump helps provide consistent fuel supply from the tank bottom while preventing starvation issues below ¼ tank.

Fitment

• Cummins applications (all diesel models)
• Duramax applications (LB7, LLY, LBZ, LMM, LML, L5P)
• Powerstroke applications (7.3L, 6.0L, 6.4L, 6.7L)

Product Details

• Material: T6061 aircraft-grade billet aluminum
• Fuel Supply Port: Feed sized to -8AN, capable of supplying the largest lift pumps on the market
• Integrated Return Port: Built-in -4AN drain for return fuel
• Installation Hole Size: 2 1/4" hole (smallest on market)
• Seal Design: Clamp-in O-ring style seal instead of ring-of-bolts construction
• Includes: Fittings, install hardware, O-ring seal clamp, return tube, and hole saw
• Fitting Type: All O-ring fittings, no thread sealant or tape required

Installation

Simply drill one hole into your tank, slip the clamp into the tank, and bolt up the sump for a quick, easy, leak-free install. Plumb the supply and return lines from your FASS or AirDog pump directly to the diesel sump—no tank drop required.

Check local emissions regulations before purchase. Professional installation is recommended.

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