GMPartsGiant.com offers the wholesale prices for genuine 2019 Cadillac CTS V-Series parts. Parts like Automatic Transmission 2-3-4-6-8 & 4-5-6-7-8 Reverse Clutch Assembly are shipped directly from authorized GM dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 6 Cyl 3.6L, 8 Cyl 6.2L. Model Code: 4 DOOR V-SERIES SEDAN.