MoparPartsGiant.com offers the wholesale prices for genuine 2003 Chrysler Concorde parts. Parts like Crankcase Ventilation are shipped directly from authorized Mopar dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 6 Cyl 2.7L, 6 Cyl 3.5L. Transmission: 4-Speed Automatic Transmission.