Product Description
Toyota OEM seal kit 00590-04544-71 for electric lift truck lift cylinder. Nitrile rubber and thermoplastic seals, direct replacement for OEM hydraulic lift cylinder. Ensures high-pressure sealing and compatibility with Toyota factory cylinder assemblies.
Specifications
Hydraulic
| Seal Hardness | Primary seal: 70 Shore A (NBR); Back-up ring: 90 Shore D (thermoplastic) |
Material
| Seal Material | Nitrile rubber (NBR) for primary and secondary seals; thermoplastic backup rings |
Part Numbers
| OEM Part Number | 00590-04544-71 |
| Manufacturer Part Number | TO 00590-04544-71 |
Frequently Asked Questions
Q: What seal materials are in the TO 00590-04544-71 seal kit?
A: The TO 00590-04544-71 seal kit contains nitrile rubber (NBR) primary and secondary seals (70 Shore A hardness) and thermoplastic backup rings (90 Shore D hardness). Nitrile rubber provides excellent chemical resistance and durability in hydraulic lift cylinder applications.
Q: Which Toyota electric lift trucks use the TO 00590-04544-71 seal kit?
A: The TO 00590-04544-71 is a direct replacement OEM seal kit for Toyota electric lift truck lift cylinders. It is compatible with factory Toyota hydraulic cylinder assemblies on select models. Cross-reference your forklift model and cylinder part number to verify fitment.
Q: What is the service life of the TO 00590-04544-71 seal kit?
A: Seal kit lifespan typically ranges from 2000 to 5000 operating hours depending on hydraulic fluid condition, temperature extremes, and load cycling frequency. Monitor for internal leakage (slow mast descent) and replace the kit when leakage becomes noticeable or load holding fails.
Q: How do I identify if the TO 00590-04544-71 seals are failing?
A: Signs of seal failure include internal leakage (mast slowly descends under no load), external oil weeping around the cylinder rod, loss of lifting power, and abnormal hydraulic fluid discoloration or sludge accumulation. Replace the seal kit immediately to prevent cylinder damage.
Q: What hydraulic fluid is compatible with the TO 00590-04544-71 nitrile seals?
A: Nitrile rubber (NBR) seals in the TO 00590-04544-71 kit are compatible with standard mineral oil hydraulic fluids used in Toyota forklifts. Always use Toyota-approved or equivalent ISO 46 hydraulic fluid to ensure seal compatibility and system longevity.