Black; Adapter attached Stant tester 12300 and/or 12400
Tan; Adapter used with Stant tester 12300 and/or 12400
W/Threaded Filler Neck; Threaded; Threaded adapter connected to tester
Purple
Browse our selection of quality fuel cap tester adapter parts designed specifically for your GMC Sierra. We carry options across multiple trim levels, body styles, and engine configurations to ensure a perfect fit.
All Terrain · Base · Denali · SLE · SLT
Crew Cab Pickup · Standard Cab Pickup
V8 5.3L · V8 6.2L
Automatic
