Product Description
Oil Seal
Frequently Asked Questions
Q: What is the HY 3004790 oil seal used for on Hyster electric lift trucks?
A: The HY 3004790 is an OEM oil seal designed to prevent fluid leakage in hydraulic and drivetrain components on Hyster electric lift trucks. It is a wear item that should be replaced when leaking or degraded to prevent fluid loss and equipment damage.
Q: Which Hyster electric lift truck models are compatible with the HY 3004790 seal?
A: The HY 3004790 is an OEM Hyster part compatible with multiple Hyster electric lift truck models. Verify the seal bore diameter and gland size match your equipment specification before ordering, as oil seals are application-specific.
Q: What is the typical lifespan of the HY 3004790 oil seal?
A: Oil seal lifespan depends on operating conditions, fluid type, and temperature. Seals typically last 1500 to 3000 hours under normal use but may fail earlier in high-heat or contaminated environments. Replace the seal if leaking is visible.
Q: Does the HY 3004790 have any cross-reference or equivalent part numbers?
A: The HY 3004790 is the OEM Hyster part number. Cross-reference availability depends on your equipment model and supplier inventory. Contact us with your truck serial number for compatibility verification.
Q: What seal material and compound is the HY 3004790?
A: The HY 3004790 is manufactured to OEM specifications using nitrile or viton elastomer compounds, depending on the fluid and temperature range of the application. Confirm material compatibility with your hydraulic fluid before installation.