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G&R Diesel Universal Fuel Line Quick-Connect Plug

G&R Diesel Universal Fuel Line Quick-Connect Plug

From G&R Diesel G&R Diesel



*By default 3/8" please verify on your vehicle to find proper size required.


When installing a bottom sump with your AirDog or Fass Pump most trucks end up with an open fuel supply and or return line. G & R Diesel's 1/2" or 3/8" aluminum plug will cap off these lines with ease, to keep fuel from seeping out of them and dirt from getting into your fuel tank. You no longer have to mess around trying to figure out how you're going to plug off these lines. Simply clip their Quick-Connect plug into that open factory fuel line and you're ready to hit the pavement!



  • 2001-2016 DURAMAX - 1/2"
  • 2003-2010 POWERSTROKE - 3/8"
  • 2011-2016 POWERSTROKE - 1/2"
  • 2003-2017 CUMMINS 1/2" at filter 5/16" at CP3


G&R Diesel's part numbers: GRD00155 (1/2"), GRD00156 (3/8"), and GRD00157 (5/16").

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