L39 HYDRAULIC SYSTEM Parts group L39 H12000 HYDRAULIC PUMP H12500 HYDRAULIC PUMP [COMPONENT PARTS] H14500 REGULATOR VALVE H20100 HYDRAULIC OIL LINE (SUCTION) H20900 HYDRAULIC OIL LINE (DERIVERY) H21000 HYDRAULIC OIL LINE (DELIVERY/RETURN) H21500 HYDRAULIC OIL LINE (PS) H23000 PTO HYDRAULIC OIL LINE H24500 OIL COOLER H30100 HYDRAULIC CYLINDER H32000 LIFT ARM H33000 FEED BACK LEVER H34000 HYDRAULIC CHANGE LEVER H40500 CONTROL VALVE H41000 CONTROL VALVE [COMPONENT PARTS] [OLD TYPE H41001 CONTROL VALVE [COMPONENT PARTS] [NEW TYPE H43000 RELIEF VALVE H44000 POSITION CONTROL LEVER sale parts diagram catalog online construction equipment excavator tractor