MoparPartsGiant.com offers the wholesale prices for genuine 2008 Dodge Sprinter 2500 parts. Parts like Audible Reverse Signal Horn are shipped directly from authorized Mopar dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 6 Cyl 3.0L Diesel, 6 Cyl 3.5L. Transmission: 5-Speed Automatic Transmission.