Fitting Vehicle Options: 2 - Med. Duty DODGE 2WD, 62 - REG CAB 8 FT BOX, 7 - Med. Duty DODGE 4WD, 81 - Mega Cab, 91 - CREW CAB W.B.2, 92 - CREW CAB W.B.3, ESA - 8 Cyl 6.4L Mid Duty HEMI MDS, ETK - 6 Cyl 6.7L Cummins Turbo Diesel, EZC - 8 Cyl 5.7L HEMI VVT