FSU Supply and Return fitting kit.

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Product Price: USD 23.00



This is a kit with the proper fitting to mate to your FSU on most GM trucks.

If your original hard lines are rusted,cut up, damaged ect. This could be a great way to make a repair.

With these you can run rubber diesel fuel rated hose from the FSU to Fuel filter manager on supply side and from hard return line at back of engine all the way to FSU.


The return fitting has a 5/16 hose barb.

The supply side fitting has a 3/8 hose barb.



See also different:
  • Fuel Delivery
  • << return to products