MoparPartsGiant.com offers the wholesale prices for genuine 2007 Jeep Wrangler parts. Parts like Seat Belts, Front & Rear 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.