Description
When you’re working on hydraulic systems, you know that one worn O-ring can turn a simple maintenance job into a messy headache. One failed O-ring can drain hydraulic systems, create fuel leaks, or allow air into critical systems. Once an O-ring loses its sealing ability, leaks develop quickly. This 4-1/8 inch inside diameter O-ring is the seal you need to keep fluids where they belong—in the system, not on your shop floor.
What You’re Getting
- Buna-N rubber construction that stands up to hydraulic fluid, fuel, and temperature swings
- 70 Durometer rating provides the right balance of flexibility and strength for farm equipment
- 3/16 inch width handles higher pressures typical in agricultural hydraulic systems
- Ten-pack quantity means you’ve got spares for future repairs without another parts run
- Precision dimensions ensure a proper seal without the guesswork
Built for Real Farm Work
For use in plumbing, hydraulics, heavy equipment, automotive, irrigation and more. This size fits many larger hydraulic cylinders, valve bodies, and filter housings found on tractors, combines, and implements. Whether you’re rebuilding a loader cylinder or servicing your three-point hitch, having the right seal prevents those frustrating comeback leaks.
Made to Last
Despite their simplicity, O-rings face harsh conditions. Heat cycles cause them to harden and lose elasticity. Chemical exposure from fuels and fluids degrades rubber compounds. This Buna-N compound resists the oils, fuels, and hydraulic fluids common in farm equipment while maintaining flexibility through temperature changes from cold morning starts to hot summer field work.
Good to Know
O-ring success starts with using the right size and material. Clean the groove thoroughly before installation—old O-ring fragments cause leaks. A light coating of the system fluid helps with installation and prevents pinching. Using worn O-rings during maintenance is false economy – the few cents saved pale compared to cleanup costs and fluid replacement.
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