Description
If you’ve noticed erratic temperature readings on your dash gauge or your engine’s running warmer than usual, a failing coolant temperature sensor might be the culprit. This sensor feeds critical temperature data to your gauge and engine management system, keeping you informed about what’s happening under the hood. When it starts giving false readings or quits altogether, you’re flying blind on one of your engine’s most important functions.
What You’re Getting
- Direct replacement sensor that plugs right into your existing wiring harness
- Accurate temperature readings that help prevent costly engine damage
- Durable construction built to handle the heat and vibration of diesel engines
- Proper electrical resistance curve matched to your tractor’s gauge system
Built for Real Farm Work
This sensor works perfectly in Massey Ferguson 3600 series tractors like the 3630, 3640, 3650, and 3660 models, plus Valtra/Valmet 6000 and 8000 HI series machines. Whether you’re running a mid-size MF on hay equipment or pushing a powerful Valtra through heavy tillage, these tractors generate serious heat under load and need reliable temperature monitoring.
Made to Last
Engine compartments are tough environments with extreme temperatures, constant vibration, and exposure to coolant chemicals. This sensor’s built with corrosion-resistant materials and sealed connections that keep moisture out while maintaining accurate readings through thousands of operating hours.
Installation Notes
Installation typically requires draining a small amount of coolant and disconnecting the electrical connector. Clean the threaded mounting area and use appropriate thread sealant to prevent leaks. Most installations take just a few minutes with basic tools.




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