GMPartsGiant.com offers the wholesale prices for genuine 2013 GMC Savana 1500 AWD parts. Parts like Relays & Modules-Body 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 5.3L. Model Code: 1/2 TON CARGO SAVANA, 1/2 TON PASSENGER SAVANA.