This is a genuine GM Delco Vapor cannister it fits the following vehicles, overall length 6", Diameter 5 1/8" Embossed 17056466.
1982-1985 Buick Skyhawk, Skylark 4 Cyl. 1.8L 2.0L
1982-1984 Cadillac Cimarron 4 Cyl. 1.8L, 2.0L
1982-1984 Cadillac Commercial Chassis 8 Cyl. 6.0L
1982-1983 Camaro 6 Cyl. 2.8L
1982-1985 Chevy S-10 GMC S-15 4 Cyl. 1.9L, 2.0L, 2.8L
1985-1987 Oldsmobile Cutlass 4 Cyl. 2.5L, 2.8L, 3.0L 6 Cyl.
1982-1985 Oldsmobile Firenza, Omega 4 Cyl. 1.8L, 2.0L, 2.5L 2.8L 6 Cyl.
1982-1983 Pontiac Firebird 6 Cyl. 2.8L
1987 Pontiac Grand Prix 8 Cyl. 5.0L