Hitachi 877-368 O-ring (1AP-48) NR83A/AA/AA2

The O ring control valve is one of the important parts that regulates oil  flow and controls hydraulic device.O-rings seal the inside of the control valves. Use of appropriate O-rings that are suitable is essential for proper maintenance of the overall machine performance. Hitachi Select Parts O-ring iwhich are replaced during overhauling control valves.