PART NO.: 707-99-46600, APPLICATION MODEL: PC200-6 (CYLINDER NO. 205-63-02052, ROD 85 & BORE 120) QUALITY: WEARABLE, HIGH TEMPREATURE ENDURANCE, HIGH PRESSURE RESISTANCE, GOOD PERFORMANCE MATERIAL: NITRILE RUBBER(NBR), POLYTETRAFLUOROETHYLENE(PTFE), POLYURETHANE (PU), NYLON, COPPER, STEEL ETC THE SEAL KIT CONSISTS OF ROD SEAL (IDI/ISI), BUFFER RING (HBY), DUST SEAL (DKB), O-RING, BACK UP RING, PISTON SEAL (SPGO/SPGW/SPG/KDAS), WEAR RING (WR/KZT/N4W)ETC; VARIOUS SEAL KITS AVAILABLE FOR BOOM/ARM/BUCKET HYDRAULIC CYLINDER, MAIN PUMP, CONTROL VALVE, TRACK ADJUSTER, SWING MOTOR, TRAVEL MOTOR, CENTER JOINT, REGULATOR VALVE, PILOT VALVE AND GEAR PUMP, ALSO O-RING BOX, COUPLING, DU BUSHING, PISTON STEEL RING, PUSHER ARE AVAILABLE NOTE: THE PICTURE IS JUST FOR REFERENCE, THE REAL PRODUCTS MAY LOOK DIFFERENT PC200-6 Boom Cylinder Seal Kit Fits For Komatsu 707-99-46600, CYLINDER NO. 205-63-02052, ROD 85 & BORE 120, AFTERMARKET REPLACEMENT PARTS MADE BY MOTTROL