MoparPartsGiant.com offers the wholesale prices for genuine 2018 Chrysler Pacifica parts. Parts like Nameplates & Emblems are shipped directly from authorized Mopar dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 6 Cyl 3.6L. Transmission: 9-Speed Automatic Transmission, e-Flite Si-EVT Transmission.