Sierra 1500 4WD V8-5.3L VIN B (2005)
Fuel Line Coupler: Description and Operation
Fuel System (Pickup and Utility)
QUICK-CONNECT FITTINGS
Quick-connect fittings provide a simplified means of installing and connecting fuel system components. The fittings consist of a unique female connector
and a compatible male pipe end. O-rings, located inside the female connector, provide the fuel seal. Integral locking tabs inside the female connector
hold the fittings together.