4 0 1992 Mack DM688S Coolant Reservoir Contact for price (Used) 1992 Mack DM688S, COOLANT RESERVOIR- Part Make: Allison Transmission, Material: Steel, Reference images for condition. For more information about this item, give us a call. We ship... ConditionUsedFits To Make(s)MackFits To Model(s)DM688SWill Fit Year(s)1992Stock NumberP-73839 MLS Number12671703CategoryCoolant Reservoirs Last Updated3/2/2024 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info