MoparPartsGiant.com offers the wholesale prices for genuine 2008 Dodge Caliber 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 1.8L, 4 Cyl 2.0L, 4 Cyl 2.4L. Transmission: 5-Speed Manual Transmission, 6-Speed Manual Transmission, CVT II.