Description
When your 4WD front axle starts making noise or you notice grease leaking around the CV joints, chances are this little rubber cover has cracked or gone missing. It might look like just a simple boot, but this 81mm shaft cover end is what keeps dirt, water, and debris out of your expensive front axle components. Without it, you’re inviting contamination that leads to premature bearing failure and costly repairs.
What You’re Getting
- Precision 81mm diameter for exact fit on your MF 398 or 399
- Durable rubber construction that flexes with shaft movement without tearing
- Protects CV joints and shaft seals from contamination damage
- Direct replacement that restores proper front axle protection
Built for Real Farm Work
This cover fits Massey Ferguson 300 series models 398 and 399 that came with 4WD from the factory. These tractors are workhorses that handle everything from heavy tillage to loader work, and their 4WD systems see serious duty in challenging conditions where two-wheel drive just won’t cut it.
Made to Last
This cover uses heavy-duty rubber compounds that resist tearing from shaft movement and environmental damage. The material stays flexible in cold weather while resisting degradation from UV exposure and axle grease. It’s built to handle the constant flexing and harsh conditions your 4WD system faces every day.
Installation Notes
Clean the shaft thoroughly before installation – old grease and dirt prevent proper seating. Check for shaft wear or damage that could cut the new cover. Lubricate the inside of the cover with rubber-safe grease for easier installation. Make sure the cover seats fully in its grooves to prevent water entry. Pro tip: inspect these covers during every service – catching a small tear early saves expensive axle repairs.
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