; HomeHeavy Duty Truck PartsDifferentials & Differential PartsRear Rears (Tandem Rear or Single)EatonRSP40Used 2007 EATON RSP40 Rear Rear (Tandem Rear or Single) Used 2007 EATON RSP40 Rear Rear (Tandem Rear or Single) Unfortunately this part is temporarily unavailable. View other Eaton RSP40 Rear Rears (Tandem Rear or Single)