MoparPartsGiant.com offers the wholesale prices for genuine 2008 Jeep Wrangler parts. Parts like Spare Wheel, Tailgate Mounted are shipped directly from authorized Mopar dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 6 Cyl 3.8L. Transmission: 4-Speed Automatic Transmission, 6-Speed Manual Transmission.