TL* THE CONTACT OWNS A 2012 WESTERN STAR 4900. WHILE DRIVING VARIOUS SPEEDS, THE FUEL LINE CRACKED AND BEGAN LEAKING FUEL. THE CONTACT STATED THAT THE FAILURE RESULTED IN THE VEHICLE CATCHING FIRE. THE FIRE DEPARTMENT EXTINGUISHED THE FIRE. A FIRE REPORT WAS FILED. THERE WERE NO INJURIES. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 280,471.