Part Description BACK Mack CRDPC92 (Stock # 2060) Front Rears (Tandem Front) $4,502.93 Quantity 1 Add to Cart Part Type Front Rears (Tandem Front) Core Charge 1000 Part# CRDPC92-4.17 Ratio 4.17 Differential Make (Front) Mack Differential Model (Front) CRDPC92 Condition Rebuilt Description MACK CRDPC92-4.17 WITH AIR LOCKOUT