Hydraulic Seal Kit, Wear Ring, Buffer Seal manufacturer / supplier in China, offering Woma Oil Truck Spare Parts Seal Kit 71901540K for 149-4 for Dump Truck Hyva Lifting System, Woma 8t-5917& 8t5917: 2.62 X 37.77mm 70A EPDM O-Ring, Woma 7t-6984& 7t6984: 355.34mm Internal Diameter Ring and so on.