MoparPartsGiant.com offers the wholesale prices for genuine 2015 Dodge Journey parts. Parts like Vacuum Canister & Leak Detection 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.