GAS CAP FITS MOST GM VEHICLES INCLUDING GMC, HUMMER, CHEVROLET, CADILLAC, SATURN , BUICK, WITH SOME 6.0/ 4.3/ 6.2 / 5.3 / 3.6 / 4.8 / 8.1 ALL V6 ANF V8 ENGINES. TAHOE, SILVERADO, H2, YUKON, ESCALADE, AVALANCHE, SUBURBAN. SIERRA, OUTLOOK, ACADIA, TRAVERSE, ENCLAVE, PLEASE FEEL FREE TO ASK ANY VEHICLE FITMENT QUESTIONS.
