MoparPartsGiant.com offers the wholesale prices for genuine 2016 Ram ProMaster 1500 parts. Parts like Pulley & Related Parts are shipped directly from authorized Mopar dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 4 Cyl 3.0L Diesel, 6 Cyl 3.6L. Transmission: 6-Speed Automatic Transmission.