High Accuracy Car Radiator Coolant Tester

Check coolant freeze and boil points quickly with a simple tester made for ethylene glycol cooling systems. It gives you a fast, easy way to inspect radiator coolant before maintenance or seasonal changes.

Why It Works for You

✅ Get fast coolant checks without complicated tools or setup.

✅ Read freeze and boil points clearly for better maintenance decisions.

✅ Test with one hand using the simple squeeze bulb design.

✅ Use one tester across cars, trucks, SUVs, motorcycles, RVs, and boats.

✅ Handle automotive, marine, and industrial cooling system checks with ease.

✅ See results quickly on the large clear scale for instant reading.

Whether you work professionally or maintain your own vehicle, this coolant tester makes routine antifreeze checks straightforward. It is designed for ethylene glycol coolant systems used in many common vehicles and equipment.

Large scale allows quick, clear readings.

Use it for radiator coolant testing, automotive antifreeze checks, marine cooling systems, or industrial cooling systems. The manual design keeps operation simple when you want quick answers without electronics.

Bulb design enables easy one-hand testing.

Please note that color may vary slightly due to lighting and display, and shipments may include black or red versions. Manual measurement may have a small allowed error.

Check your coolant in minutes and maintain your system with confidence.