MoparPartsGiant.com offers the wholesale prices for genuine 2015 Dodge Dart parts. Parts like Wastegate Solenoid Harness Assembly are shipped directly from authorized Mopar dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 4 Cyl 1.4L, 4 Cyl 2.0L, 4 Cyl 2.4L. Transmission: 6-Speed Automatic Transmission, 6-Speed Manual Transmission.