Dorman's Vapor Canister is engineered from robust materials. As part of the Eva system, it effectively stores fuel vapors from the gas tank and sends them to the engine for combustion. Replacement helps control hydrocarbon emissions from escaping into the environment. Vehicle model years this part fits: Buick Park Avenue: 1996, 1997 Buick Riviera: 1995, 1996, 1997 Buick Road master: 1996 Cadillac Fleetwood: 1996 Chevrolet Camaro: 1993, 1994, 1995, 1996, 1997 Chevrolet Caprice: 1996 Chevrolet Corvette: 1996 Chevrolet Impala: 1996 Chevrolet Lumina APV: 1993, 1994, 1995, 1996 Oldsmobile 88: 1996, 1997 Oldsmobile 98: 1996 Oldsmobile Aurora: 1995, 1996, 1997 Oldsmobile Silhouette: 1993, 1994, 1995, 1996 Pontiac Bonneville: 1996, 1997 Pontiac Firebird: 1993, 1994, 1995, 1996, 1997 Pontiac Trans Sport: 1993, 1994, 1995, 1996