Description
Nothing ruins a good day in the field like hydraulic fluid all over the shop floor or a piece of equipment that won’t hold pressure. Whether you’re fixing a loader cylinder, rebuilding a pump, or patching up any number of hydraulic connections, having the right O-ring on hand saves you time and gets you back to work. This 3-1/2 inch ID size fits a lot of common agricultural equipment connections.
What You’re Getting
- Ten O-rings per package so you’ve got spares for the next job
- 70 durometer Buna-N rubber that handles hydraulic fluid, diesel, and most farm chemicals without swelling or cracking
- Precision dimensions that seal properly without being too loose or pinching when compressed
- Industrial-grade construction that holds up to pressure cycling and temperature swings
Built for Real Farm Work
These O-rings work in plumbing, hydraulics, heavy equipment, automotive, irrigation and more. From tractor hydraulics to irrigation fittings, implement connections to shop air lines, this size shows up in all kinds of farm equipment. The 3-1/2 inch inside diameter makes it common in larger hydraulic components and industrial applications.
Made to Last
Made of 70 durometer Buna-N rubber, these O-rings resist the oils, fuels, and hydraulic fluids you work with every day. Buna-N is the go-to material for hydraulic sealing because it stays flexible in cold weather and doesn’t get brittle with age like some rubber compounds do.
Good to Know
Keep a few extras in your toolbox – O-rings always seem to fail at the worst possible moment. Clean the groove thoroughly before installing the new O-ring, and don’t use anything sharp that might nick it. A light coating of hydraulic fluid helps it slide into place without twisting.
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