If you’re running an aftermarket positive displacement lift pump like a Fleece PowerFlo, AirDog, or Fass on your Duramax our fuel primer bulb sealing kit will allow you to eliminate the leak prone primer bulb from your fuel system. The sealing cap includes a 1/8” NPT port to feed a low pressure fuel gauge or cap it off with the included NPT plug.
Kit Contents:
Fuel Primer Cap
1/8”NPT plug
Fasteners
Note: This will delete the factory primer bulb and remove the ability to prime fuel at the fuel filter head assembly. It is only recommended if you have an aftermarket lift pump assembly.
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