; HomeHeavy Duty Truck PartsDifferentials & Differential PartsFront Rears (Tandem Front)Meritor/RockwellRD20-145PUsed 2005 Meritor/Rockwell RD20-145P Front Rear (Tandem Front) Used 2005 Meritor/Rockwell RD20-145P Front Rear (Tandem Front) Unfortunately this part is temporarily unavailable. View other Meritor/Rockwell RD20-145P Front Rears (Tandem Front)