Description
When your hydraulic cylinders start losing pressure or you notice that telltale seepage around the cylinder rods, worn cup packings are usually the culprit. This Buna-N cup packing seal is designed to restore proper sealing in hydraulic cylinders, keeping fluid where it belongs and maintaining the pressure you need for reliable operation.
What You’re Getting
- Durable Buna-N rubber construction that resists hydraulic fluid degradation and temperature extremes
- Cup design creates positive sealing under pressure while allowing smooth cylinder operation
- Engineered to handle the pressure cycles and demanding conditions of farm hydraulic systems
- Direct replacement seal that restores like-new cylinder performance
Built for Real Farm Work
This cup packing works in a wide range of hydraulic applications across different tractor and equipment brands. Whether you’re rebuilding lift cylinders on your three-point hitch, repairing loader cylinders, or servicing hydraulic cylinders on implements, proper sealing is essential for maintaining system pressure and preventing costly fluid loss.
Made to Last
Buna-N rubber is specifically chosen for hydraulic applications because it maintains flexibility across temperature ranges while resisting the chemical properties of hydraulic fluids. This cup packing is built to handle the heat, pressure, and constant cycling that hydraulic systems endure during normal farm operations.
Installation Notes
Clean the cylinder bore thoroughly and inspect for any scoring that could damage the new seal. Install with the cup lip facing toward the pressure source. A light coating of clean hydraulic fluid on the seal helps with installation and prevents damage during assembly.
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