If you’re running an aftermarket positive displacement lift pump like our PowerFlo 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 Includes:
Fuel Primer Cap
1/8”NPT plug
Fasteners