Product Description
GSK 525-1 seal kit for manual pallet jack hydraulic pump, including primary seals, wipers, bushings, and O-rings for restoration and leak prevention. Engineered for compatibility with standard manual hydraulic pallet jack pump cylinders using NBR and PU construction for high-performance sealing. Kit conforms to aftermarket/OEM replacement standards.
Specifications
Part Numbers
| Manufacturer Part Number | GSK 525-1 |
| OEM Part Number | GSK525-1 |
Frequently Asked Questions
Q: What components are included in the GSK 525-1 seal kit?
A: The GSK 525-1 seal kit includes primary seals, wipers, bushings, and O-rings engineered for manual pallet jack hydraulic pump cylinders. Materials include NBR (nitrile rubber) and PU (polyurethane) construction for high-performance sealing and leak prevention.
Q: Which manual pallet jack models use the GSK 525-1 seal kit?
A: The GSK 525-1 is compatible with standard manual hydraulic pallet jack pump cylinders across most OEM brands including Crown, Toyota, Raymond, Yale, and similar equipment. Verify your pump cylinder bore and rod dimensions match this aftermarket replacement kit before ordering.
Q: How do I know if my pallet jack pump needs a seal kit replacement?
A: Signs of seal failure include visible hydraulic fluid leaks from the pump, loss of lifting pressure, difficulty raising the load, or slow descent. The GSK 525-1 is designed to restore sealing integrity in cylinders experiencing these symptoms.
Q: What makes NBR and PU materials suitable for hydraulic pallet jack applications?
A: NBR (nitrile rubber) provides excellent oil resistance and durability under moderate pressure in hydraulic systems. PU (polyurethane) offers superior wear resistance and performance across a wide temperature range. Together, these materials handle the variable pressure cycling typical of manual pallet jack pumps.
Q: What is the typical lifespan of the GSK 525-1 seals?
A: Seal lifespan depends on usage frequency, operating temperature, and hydraulic fluid maintenance. Regular hydraulic fluid changes and cleanliness extend seal life significantly. The GSK 525-1 seals are engineered as long-life components for standard industrial duty cycles.