MoparPartsGiant.com offers the wholesale prices for genuine 2004 Dodge Grand Caravan parts. Parts like Seat Belts, Rear Inner are shipped directly from authorized Mopar dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 6 Cyl 3.3L, 6 Cyl 3.8L. Transmission: 4-Speed Automatic Transmission.