Seal Kit for Toyota Manual Pallet Jack
00591-53443-81
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Compatibility
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Product Description
00591-53443-81 INTERTHOR SEAL KIT for Toyota manual pallet jack hydraulic pump. Kit restores fluid sealing in the hydraulic system and is constructed from high-grade nitrile rubber with glass-filled nylon for optimal durability in high-pressure applications. Designed for compatibility with Toyota and INTERTHOR branded manual pallet trucks.
Specifications
Material & Construction
| Seal Kit Construction | Composite of multiple molded and extruded components |
Part Numbers & Compatibility
| Make | Toyota, Interthor |
| Part Number | 00591-53443-81 |
| Manufacturer Part Number | 00591-53443-81 |
Additional Specifications
| Typical Maximum System Pressure | 3000 PSI |
| Seal Material | Nitrile (Buna-N) elastomer |
| Seal Hardness | 70 Shore A nominal |
| Backing Ring Material | Glass-filled nylon |
Frequently Asked Questions
Q: Which makes and models is part 00591-53443-81 compatible with?
A: Part 00591-53443-81 is compatible with Toyota and Interthor manual pallet jacks that use hydraulic pump designs matching the seal kit's specifications. Verify your hydraulic pump model before ordering.
Q: What materials are used in the construction of this seal kit?
A: This seal kit is made from nitrile (Buna-N) elastomer combined with glass-filled nylon backing rings. This composite construction ensures durability and resistance to thermal cycling in high-pressure applications.
Q: How do I know when to replace this seal kit?
A: Replace part 00591-53443-81 when pump performance declines, such as weak or incomplete strokes, fluid leaks from the pump area, unusual noises, or discolored fluid. Seal degradation typically occurs after 3000 to 8000 pump cycles.
Q: What types of hydraulic fluids are compatible with this seal kit?
A: Part 00591-53443-81 is compatible with standard ISO 6743 mineral-based hydraulic oils. It also resists water glycol fluids and synthetic PAO oils, but verify your system fluid type before installation.
Q: What are the benefits of using this seal kit?
A: This seal kit provides superior durability and extended service life in high-pressure hydraulic pump applications. Its composite construction enhances resistance to thermal cycling and ensures reliable performance.