Description
When you’ve got a hydraulic leak or need to rebuild a cylinder, having the right O-ring on hand makes all the difference. Whether it’s seeping hydraulic fluid under your tractor or a combine that’s losing pressure in the header lift, a worn-out O-ring is often the culprit. This Buna-N rubber O-ring gives you that reliable seal that keeps your equipment running and your hydraulic fluid where it belongs.
What You’re Getting
- Made of 70 Durometer Buna-N Rubber that handles the pressure and temperature swings of farm work
- Black rubber construction that resists hydraulic oil, diesel fuel, and most agricultural chemicals you’ll encounter
- Precise dimensions that create a tight seal without binding or leaking
- Quality material that won’t crack or harden in cold weather or get mushy in summer heat
Built for Real Farm Work
For use in plumbing, hydraulics, heavy equipment, automotive, irrigation and more. This versatile O-ring works in tractors, combines, balers, and other agricultural machinery where you need a dependable hydraulic seal. From hydraulic cylinders on loader arms to valve bodies in your three-point hitch, it handles the pressures and conditions that come with daily farm use.
Made to Last
Buna-N rubber is the go-to choice for agricultural hydraulics because it stands up to petroleum-based fluids and keeps its flexibility through thousands of pressure cycles. The 70 durometer rating gives you the right balance of firmness and flexibility—soft enough to seal properly but firm enough not to extrude under pressure.
Good to Know
Keep a few extras in your toolbox since O-rings are wear items that eventually need replacement. When installing, a light coat of hydraulic oil helps it slide into the groove without pinching. Double-check your measurements before ordering—inside diameter, outside diameter, and cross-section width all need to match for a proper seal.
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