hydraulic parts rubber o ring kit, o-ring box, oil seal fit kom excavator

we supply spare parts for heavy equipment, which are mainly used on engine, hydraulic & electronic systerm, and undercarriage, covering almost the whole machine. the seals are used on excavators or other heavy equipment. there are 435 pcs of seals all together in the box, including 33 different sizes. and each size of o-ring has its own part number referring to the machine code. customer can check the part numbers. they are mainly used in the hydraulic system such as travel and swing motors, control valves, etc. pacakge: 1 box.syi