Part Description BACK Eaton RS402 (Stock # REAR-1726) Rear Rears (Tandem Rear or Single) $550.00 Quantity 1 Add to Cart Part Type Rear Rears (Tandem Rear or Single) Serial# . Truck Make Other Ratio 3.55 Truck Year OTHER Differential Make (Rear) Eaton Differential Model (Rear) RS402 Casting# . Condition Used Description EATON DS402