MoparPartsGiant.com offers the wholesale prices for genuine 2018 Jeep Wrangler All-new Model parts. Parts like Battery, Battery Tray, And Support are shipped directly from authorized Mopar dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 4 Cyl 2.0L, 6 Cyl 3.0L Diesel, 6 Cyl 3.6L. Transmission: 6-Speed Manual Transmission, 8-Speed Automatic Transmission.