SEAL-PISTON (Hyster HY0280588)

A worn piston seal can allow fluid bypass, reducing system pressure and causing sluggish or incomplete movement. This aftermarket replacement part references Hyster as the OE maker and cross-references part number HY0280588. The seal type is a piston seal, which creates a dynamic barrier between the piston and cylinder bore. Its plain mechanical function is to contain pressurized fluid on one side of the piston. A common generic failure consequence is internal leakage that leads to loss of force or position-holding ability. In a typical usage context, a degraded piston seal may result in drift or inability to maintain a set position under load. Verify the serial number or application, then call (562) 693-7748.

Part number variants: HY0280588, hy0280588