; HomeHeavy Duty Truck PartsDifferentials & Differential PartsFront Rears (Tandem Front)Spicer/DanaOtherUsed 2006 Spicer/Dana RD20145 Front Rear (Tandem Front) Used 2006 Spicer/Dana RD20145 Front Rear (Tandem Front) Unfortunately this part is temporarily unavailable. View other Spicer/Dana Other Front Rears (Tandem Front)