; HomeHeavy Duty Truck PartsDifferentials & Differential PartsRear Rears (Tandem Rear or Single)MackC92Used 1978 MACK C92 Rear Rear (Tandem Rear or Single) Used 1978 MACK C92 Rear Rear (Tandem Rear or Single) Unfortunately this part is temporarily unavailable. View other Mack C92 Rear Rears (Tandem Rear or Single)