Fitting Vehicle Options: 63 - REG CAB CHASSIS WHEEL BASE 1, 8 - HD DODGE 4WD, DEG - 6-Speed Manual Transmission G56, DF2 - 6-Speed Automatic Transmission Aisin AS69RC HD, DF3 - 6-Speed Automatic Transmission Aisin AS66RC HD, DFP - 6-Speed Automatic Transmission 66RFE