1 0 Used Air Horn For 1999 Western Star 4900 Works Good $50 USD USED AIR HORN FOR 1999 WESTERN STAR 4900 WORKS GOOD., Core Charge: 0.00 ConditionUsedFits To Make(s)WESTERN STARFits To Model(s)4900Stock Number13080 MLS Number10278852CategoryMiscellaneous Truck Parts Last Updated10/1/2025 LocationPhoenix, AZ, US Sold ByAmerican Truck Sales & Salvage (844) 882-___ SHOWNUMBERCall Seller Email Seller Save More Info