Description
When hydraulic fittings start seeping or your plumbing connections develop annoying drips, it’s usually a simple o-ring that’s given up the ghost. These larger diameter o-rings are common in hydraulic cylinders, PTO assemblies, and other heavy-duty applications where you need a reliable seal that won’t quit when the pressure’s on.
What You’re Getting
- 1/8 inch thick cross-section provides solid compression and long-lasting seal
- 3-1/8 inch inside diameter fits larger hydraulic fittings and assemblies
- 70 durometer Buna-N rubber stands up to hydraulic fluid, diesel, and weather
- Ten pack means you’ll have spares when you need them most
- Standard size that fits common agricultural and industrial applications
Built for Real Farm Work
These o-rings are sized for the bigger hydraulic components you’ll find on tractors, implements, and shop equipment. Whether you’re rebuilding a hydraulic cylinder on your loader, fixing a leaky PTO connection, or maintaining irrigation equipment, this is the kind of seal that keeps things tight and working properly.
Made to Last
Buna-N rubber is the go-to choice for hydraulic applications because it handles petroleum-based fluids without swelling or breaking down. The 70 durometer rating gives you the right balance of flexibility for sealing and firmness to resist extrusion under pressure.
Good to Know
Always clean the groove thoroughly before installing a new o-ring, and check that the surfaces are smooth with no nicks or scratches. A light coating of compatible hydraulic fluid helps with installation and prevents the rubber from rolling or twisting as you assemble things.
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