View 3 Photos View 0 Videos 1999 Mack RD688S Front Axle Assembly $1,495 USD MACK FAW18 FRONT AXLE ASSY, DRUM BRAKE/ BUDD HUBS., Capacity: 18,000, Hub Bolts: 10/ BUDD, Brake Type: DRUM, Axle Make: MACK ConditionUsedFits To Make(s)MackFits To Model(s)RD688SWill Fit Year(s)1999Capacity18,000Stock Number91526-4 MLS Number14641969CategoryAxle Assemblies, Front Last Updated10/3/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info