OLD CRAWLER EXCAVATOR R420/R450LC 2016-03 OLSS PIPING Parts on group OLSS PIPING: Pos. Part No Qty Parts name Comments 1. 31E7-0187 [2] HOSE ASSY 2. 31E7-0185 [2] HOSE ASSY 2. P600-043043 [2] HOSE ASSY-THD 0X0 3. 31E7-0250 [2] ELBOW 4. 31E7-0251 [2] ELBOW-90 5. 31E7-0178 [4] O-RING 6. 31E7-0252 [4] ELBOW-45 7. 31E7-0178 [4] O-RING Parts catalog : PILOT HYDRAULIC PIPING(DRAIN) part catalog hyundai SOLENOID VALVE part catalog hyundai SOLENOID VALVE PIPING 2 part catalog hyundai ARM HALF FLOW V/V part catalog hyundai SOLENOID VALVE PIPING 1 part catalog hyundai SHUTTLE VALVE 2 part catalog hyundai SHUTTLE VALVE 1 part catalog hyundai RCV PIPING 3 part catalog hyundai PUMP TO SAFETY LOCK V/V PIPING part catalog hyundai LINE FILTER part catalog hyundai TRAVEL HYDRAULIC PIPING part catalog hyundai BOOM CYLINDER PIPING 1 part catalog hyundai BOOM DRIFT PREVENT PIPING part catalog hyundai BOOM HOLDING VALVE part catalog hyundai BOOM CYLINDER PIPING 2 part catalog hyundai ARM CYLINDER PIPING 1 part catalog hyundai