Part Description BACK 2021 Mack CRD151 (Stock # rear-1960) Rear Rears (Tandem Rear or Single) $2,000.00 Quantity 1 Add to Cart Part Type Rear Rears (Tandem Rear or Single) Axle Spline Count fine Truck Make Mack Ratio 3.11 Truck Year 2021 Differential Make (Rear) Mack Differential Model (Rear) CRD151 Condition Used Description exch price, drilled case, low miles