RING-BACK-UP (Hyster HY18989)

HY18989: A damaged retaining ring can allow assembled components to separate during operation, leading to mechanical failure or loss of function. This aftermarket replacement part references Hyster catalog number HY18989. The ring-back-up functions as a secondary retainer, holding a primary fastener or component in position under load. When a back-up ring fails, the primary seal or retainer may shift, causing leakage or disassembly. Keeping a retaining ring in sound condition helps maintain secure assembly of joined parts. This item ships at approximately 0.022 pounds. Verify the serial number or application, then call (562) 693-7748.

Part number variants: HY18989, hy18989