Description
When you’re getting hydraulic leaks around the input shaft manifold area, it’s often this small O-ring that’s given up the ghost. You might notice oil stains under your tractor or catch that telltale smell of hydraulic fluid in the cab. This little rubber seal keeps hydraulic pressure where it belongs, maintaining the system pressure that keeps your tractor moving smoothly through forward and reverse operations.
What You’re Getting
- Precision-molded rubber compound that stands up to hot hydraulic fluid and high pressure
- Exact fit for the input shaft manifold sealing groove—no guessing on size
- Direct replacement that restores factory sealing performance
- Essential component for maintaining hydraulic system integrity
Built for Real Farm Work
This O-ring fits your Massey Ferguson 4200 series (4215 through 4270) and 4300 series (4315 through 4370) tractors. These are the mid-range workhorses that handle everything from cultivation and planting to hay production and loader work, with their advanced transmission systems designed for seamless operation during demanding field conditions.
Made to Last
This isn’t just any O-ring from the hardware store—it’s specifically engineered for the high-pressure, high-temperature environment inside your hydraulic system. The rubber compound maintains flexibility despite constant exposure to hot hydraulic fluid, while resisting the swelling and deterioration that would quickly destroy standard O-rings.
Installation Notes
Clean the manifold grooves thoroughly before installation; any debris or old O-ring material will cause the new seal to leak. This is typically accessed during transmission service, so if you’re doing other hydraulic work, it’s smart to replace this seal as preventive maintenance since labor is usually the biggest cost.
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