View 1 Photo View 0 Videos Mack CRDP92 Rear Differential for a 1999 Mack RD688S $1,095 USD MACK CRD92 4.64 RATIO, SAME AS CRD202, T BAR STYLE TORQUE ROD. WILL INSPECT IN OUR GEAR SHOP, 90 DAY WARRANTY., Ratio: 464 ConditionUsedRear End4.64 ratioFits To Make(s)MackFits To Model(s)RD688SWill Fit Year(s)1999Stock Number91526-2 MLS Number14641967CategoryDifferentials, Rear Last Updated10/3/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info