MoparPartsGiant.com offers the wholesale prices for genuine 2015 Dodge Journey parts. Parts like Fuel Injection Pump 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 3.6L. Transmission: 4-Speed Automatic Transmission, 6-Speed Automatic Transmission.