GMPartsGiant.com offers the wholesale prices for genuine 2024 Chevrolet Express 2500 parts. Parts like Vapor Canister & Related Parts are shipped directly from authorized GM dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 6 Cyl 4.3L, 8 Cyl 6.6L. Model Code: 3/4 TON CARGO EXPRESS, 3/4 TON PASSENGER EXPRESS, Van 3/4 Ton Cargo Express.