Product Description
-O-Ring-
Frequently Asked Questions
Q: What equipment models does the YL 580039449 O-ring fit?
A: This O-ring is a replacement seal for Yale and other OEM electric lift trucks and material handling equipment. Verify the equipment model and serial range in your documentation before ordering to confirm compatibility.
Q: What are the specifications for the YL 580039449 O-ring?
A: The YL 580039449 is a standard elastomer O-ring designed for hydraulic and pneumatic sealing applications on lift truck components. Exact dimensions and material compound specifications vary by application. Consult your equipment technical manual or contact us with your model number for precise specs.
Q: What material is the YL 580039449 O-ring made from?
A: YL 580039449 O-rings are typically manufactured from nitrile (NBR) or EPDM elastomer compounds, depending on the sealing environment. Nitrile is used for mineral oil and hydraulic applications; EPDM is used for water and coolant exposure. The material is selected to withstand pressure cycles and temperature ranges typical in lift truck operation.
Q: How long does the YL 580039449 O-ring last?
A: O-ring lifespan depends on pressure cycling, temperature exposure, and fluid compatibility. In typical material handling duty, replacement is recommended when leaks appear or during scheduled maintenance intervals. Elastomer degradation accelerates if exposed to incompatible fluids or extreme temperature swings.
Q: What symptoms indicate the YL 580039449 O-ring needs replacement?
A: Replace this O-ring if you observe hydraulic or pneumatic fluid leaks, loss of pressure or function in the affected circuit, or visible cracking and hardening of the elastomer. Delayed replacement can damage downstream components and reduce equipment reliability.