KX080-3 FUEL SYSTEM Parts group KX080-3 A10000 ENGINE STOP SYSTEM A20100 AUTO IDLE MOTOR A30000 FUEL PIPING A30100 FUEL FILTER [COMPONENT PARTS] A30200 SEPARATOR [COMPONENT PARTS] A30300 FUEL TANK A30500 FUEL SUPPLY PUMP sale parts diagram catalog online construction equipment excavator tractor