2003 MACK CH - FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS 2003 MACK CH - STEERING 2003 MACK CH - SERVICE BRAKES, AIR:SUPPLY:CHECK VALVE 2003 MACK CH - FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY:PRESSURE RELIEF DEVICES 2003 MACK CH - STEERING:LINKAGES:KNUCKLE:SPINDLE:ARM