Description
If you’ve noticed hydraulic fluid seeping around your hydraulic drain reservoir or discovered that the cap isn’t sealing properly, it’s time for a replacement. A faulty cap can let in contaminants and moisture while allowing hydraulic fluid to escape, creating a mess and potentially damaging expensive hydraulic components. This replacement cap restores the proper seal to keep your hydraulic system clean and protected.
What You’re Getting
- Precise fit that seals tight and prevents hydraulic fluid leakage
- Durable construction that withstands the pressure and temperature changes in hydraulic systems
- Proper venting design that allows system pressure equalization without contamination
- Direct replacement that installs quickly without modifications
Built for Real Farm Work
This cap is designed specifically for John Deere 6R Series tractors – the 6175R, 6195R, and 6215R models that are workhorses in everything from planting and cultivating to loader work and heavy pulling. These tractors depend on their hydraulic systems for three-point hitch operation, loader functions, and remote hydraulics that power implements.
Made to Last
Hydraulic system components face constant pressure cycling, temperature swings, and exposure to aggressive fluids. This cap is built to handle those conditions while maintaining a reliable seal that protects your hydraulic system from contamination that could cause expensive pump or valve failures.
Good to Know
Installation is straightforward – just thread off the old cap and install the new one. Clean the threads on the reservoir before installation to ensure a proper seal. This cap works with the hydraulic drain oil reservoir QTP-57242 if you’re doing a complete system service.


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