Sierra 3500 4WD V8-8.1L VIN G (2006)
Fuel Line Coupler: Description and Operation
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.
