MoparPartsGiant.com offers the wholesale prices for genuine 1987 Dodge Caravan parts. Parts like Horn are shipped directly from authorized Mopar dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 4 Cyl 2.2L, 4 Cyl 2.5L, 4 Cyl 2.6L, 6 Cyl 3.0L. Transmission: 5-Speed Manual Transmission, Automatic Transmission.