Description
When your temperature gauge starts acting like it’s got a mind of its own—reading cold when the engine’s running hot, bouncing around like a pinball, or just sitting there doing nothing—chances are this little temperature sensor is what’s causing the headache. It’s the part that tells your gauge what’s really happening with your coolant temperature, and when it fails, you’re flying blind on one of your engine’s most critical measurements.
Key Features
- Direct replacement for factory temperature sensor—no modifications needed
- Accurate resistance curve matches your original gauge calibration perfectly
- Durable construction handles temperature swings from winter startups to summer heat
- Corrosion-resistant materials withstand coolant additives and farm conditions
- Simple single-wire design makes installation and diagnosis straightforward
Built for Real Farm Work
Your John Deere 6030, 7030, or 8R series tractor is built to handle serious work, whether you’re running a 6430 on hay duty, pushing a 7530 through heavy tillage, or depending on an 8320R for harvest operations. When you’re working these machines hard in tough conditions, keeping an eye on engine temperature isn’t just smart—it’s essential for protecting your investment.
Made to Last
This sensor is built to handle what farm life throws at it—constant vibration from field work, temperature extremes, and exposure to the harsh chemicals in modern coolant systems. The robust internal components ensure accurate readings throughout its service life, not just when it’s new.
Installation Notes
Installation is straightforward, but you’ll need to drain some coolant first to avoid a mess. Thread it into the engine block where the old one came out, and use a small amount of thread sealant to prevent leaks. Don’t overdo the sealant since excess can throw off your readings. Test your gauge operation after everything’s back together.






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