45RFE Automatic Transmission from 2004 Dodge RAM 2500 5.7L 4×4 12207155
DODGE 2500 PICKUP 04 AT, 4×4, 5.7L. DODGE 3500 PICKUP 04 AT, 4×4, 5.7L. All automatic transmissions will require a new transmission cooler to be installed to keep the warranty. On all automatic transmissions, the transmission cooler must be replaced and cooler lines must be flushed to validate your warranty.