View 0 Photos View 0 Videos Jost JSK37FSL Fifth Wheel for a 1999 Freightliner FLD112 $550 USD Used Jost fifth wheel assembly. Model: JSK37FSL. Off of truck #590., Core Charge: 0.00 ConditionUsedFits To Make(s)FreightlinerFits To Model(s)FLD112Will Fit Year(s)1999Stock Number169270 MLS Number12424914CategoryFifth Wheels Last Updated12/26/2025 LocationLouisville, KY, US Sold ByRiver City Truck Parts (855) 465-___ SHOWNUMBERCall Seller Email Seller Save More Info