View 5 Photos View 0 Videos Hydrapower MF642989 Steering Gear / Rack for a 1985 Mack RS686LST Contact for price (Used) 1985 Mack RS686LST, STEERING BOX- Part Number: 3047087, Make: Hydrapower, Model: MF642989, Side: Driver Left Side, Material: Steel, For more information about this item, give us a... ConditionUsedFits To Make(s)MackFits To Model(s)RS686LSTWill Fit Year(s)1985Part Number3047087Stock NumberP-68631 MLS Number12539620CategorySteering Gears / Racks Last Updated3/12/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info