MoparPartsGiant.com offers the wholesale prices for genuine 1996 Dodge Grand Caravan parts. Parts like Heater Unit 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 3.0L, 6 Cyl 3.3L, 6 Cyl 3.8L. Transmission: 3-Speed Automatic Transmission, 4-Speed Automatic Transmission.