Description
When you’re dealing with large hydraulic cylinders, pump housings, or transmission cases, finding the right seal can mean the difference between a smooth day in the field and a hydraulic fluid mess that shuts down your operation. This 5-inch diameter O-ring is sized for the bigger components on your equipment – the kind where a small leak becomes a big problem fast.
What You’re Getting
- Full 10-pack means you’ll have extras on hand for future repairs
- 1/8-inch cross-section thickness provides proper compression for reliable sealing
- 70 durometer Buna-N rubber handles standard hydraulic fluids and temperatures
- Precision-molded to maintain consistent dimensions under pressure
Built for Real Farm Work
These large O-rings fit the substantial components found on bigger tractors and implements. You’ll see this size in hydraulic cylinders on loaders, transmission cases, large pump housings, and heavy-duty hydraulic fittings. Whether you’re rebuilding a cylinder on your front loader or servicing the hydraulic system on a large implement, this size handles the high-pressure applications that smaller seals can’t.
Made to Last
Buna-N rubber stands up to hydraulic oils, diesel fuel, and the temperature swings that come with farm equipment use. The 70 durometer rating gives you the right balance – soft enough to seal properly but firm enough to resist extrusion under high pressure. These O-rings maintain their flexibility through seasons of heat, cold, and constant pressure cycling.
Good to Know
Always clean the groove thoroughly and lightly lubricate the O-ring with hydraulic fluid before installation. Check that the groove dimensions match – these large O-rings need proper support to prevent damage. Keep the extras in a cool, dry place away from sunlight to maintain their flexibility for when you need them.
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