MoparPartsGiant.com offers the wholesale prices for genuine 2004 Jeep Liberty parts. Parts like Side Rails - Tubular are shipped directly from authorized Mopar dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 4 Cyl 2.4L, 6 Cyl 3.7L. Transmission: 4-Speed Automatic Transmission, 5-Speed Manual Transmission, Multi-Speed Automatic Transmission.