MoparPartsGiant.com offers the wholesale prices for genuine 2001 Jeep Grand Cherokee parts. Parts like Roof Rack are shipped directly from authorized Mopar dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 6 Cyl 4.0L, 8 Cyl 4.7L. Transmission: 4-Speed Automatic Transmission, 5-Speed Automatic Transmission.