This part will fit these makes and models with these options:
DODGE 2500 PICKUP 10 Electronic Control Module; 6.7L (diesel, LH side of block), AT
DODGE 2500 PICKUP 11-12 Electronic Control Module; 6.7L (diesel, LH side of block)
DODGE 3500 PICKUP 10 Electronic Control Module; (6.7L), Pickup, AT
DODGE 3500 PICKUP 11-12 Electronic Control Module; Cab & Chassis, 6.7L
DODGE 3500 PICKUP 12 Electronic Control Module; Pickup, (6.7L)