Description
When you’re checking your oil cooler lines and notice one of the mounting nuts is stripped, missing, or just plain worn out, you know exactly what a pain that can be. This small but critical hardware keeps your oil cooler properly secured and sealed, preventing leaks that can leave you stranded in the field with an overheated engine. It’s a simple fix that saves you from much bigger headaches down the road.
What You’re Getting
- Exact replacement nut designed specifically for Deutz oil cooler mounting
- Proper thread pitch and finish that matches factory specifications
- Heat-treated steel construction that won’t strip or fail under vibration
- Correct torque specifications to prevent over-tightening or loosening
Built for Real Farm Work
Your Deutz Agrostar series tractors—whether it’s a 4.61 handling hay work, a 4.71 pulling implements, or the bigger 4.68 and 4.78 models running heavy equipment—depend on proper oil cooling to keep working hard all day long. These air-cooled Deutz engines run hot by nature, making that oil cooler system absolutely essential for long engine life.
Made to Last
This isn’t just any nut you’d grab from the hardware store. It’s built to handle the constant heating and cooling cycles your engine goes through, plus all the vibration that comes with field work. The metallurgy and thread design are specifically matched to your Deutz engine’s requirements.
Installation Notes
Clean the threads thoroughly before installation and apply a light coat of anti-seize compound to prevent future seizure. Don’t over-tighten—these components need to seal without crushing the mating surfaces. If you’re replacing one, it’s worth checking the condition of the other mounting hardware while you’re at it.





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