; HomeHeavy Duty Truck PartsDifferentials & Differential PartsFront Rears (Tandem Front)Spicer/DanaDSP40Used 2012 Spicer/Dana DSP40 Front Rear (Tandem Front) Used 2012 Spicer/Dana DSP40 Front Rear (Tandem Front) Unfortunately this part is temporarily unavailable. View other Spicer/Dana DSP40 Front Rears (Tandem Front)