15 0 2001 Mack MR688S Air Dryer $85 USD Good, used Steel BENDIX Air Dryer from a 2001 Mack MR688S truck. The part number is 7819958. The engine serial number is N/A. The aluminum air dryer has been inspected and is in good... ConditionUsedFits To Make(s)MackFits To Model(s)MR688SWill Fit Year(s)2001Part Number230018-4Stock Number230018-4 MLS Number11917106CategoryAir Dryers Last Updated1/8/2024 LocationKankakee, IL, US Sold ByRiver Valley Truck Parts (844) 604-___ SHOWNUMBERCall Seller Email Seller Save More Info