Description
If you’ve noticed your mudguards starting to work loose or your hydraulic mudguard adjustments acting up, there’s a good chance this little O-ring has given up the ghost. This sealing ring keeps moisture, dust, and debris out of the pivot points and hydraulic connections that let your dynamic mudguards adjust to different angles. When it fails, you get slop in the system, contamination, and eventually more expensive repairs if you don’t catch it.
Key Features
- Proper seal prevents contamination from entering the mudguard adjustment mechanism
- Quality rubber compound stays flexible through temperature swings and chemical exposure
- Precise dimensions ensure proper fit in the bracket assembly without binding
- Direct replacement for worn seals—no modifications needed
Built for Real Farm Work
This O-ring fits the dynamic mudguard systems on a wide range of tractors from New Holland’s T4, T5, T6000, T7 series, Massey Ferguson 5400/5600/5700 series, Case IHC Maxxum and Puma series, plus several Fendt and Steyr models. These tractors are commonly used for row-crop work, hay operations, and loader duties where adjustable mudguards help keep tires clean and prevent crop damage.
Made to Last
Farm equipment seals take a beating from hydraulic fluid, temperature extremes, UV exposure, and constant flexing. This O-ring is manufactured from materials that resist swelling, cracking, and hardening under these conditions. The rubber compound maintains its sealing properties through years of field use.
Installation Notes
Replacement is straightforward once you’ve got the mudguard assembly apart. Clean the groove thoroughly before installing the new O-ring, and use a light coating of hydraulic fluid to help it seat properly. Don’t use petroleum-based lubricants that can cause the rubber to swell. Take your time during assembly to avoid pinching the O-ring.


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