52mm Digital Water Temp Gauge 40-120℃/100-250℉ | Dual Unit Auto Temperature Monitor for Gas Vehicles

Keep your gasoline engine running at the right temperature with this 52mm digital water temperature gauge. It shows readings in both Celsius and Fahrenheit, so you always know exactly what is happening under the hood. The included sensor and adapter make installation straightforward for most 12V gasoline vehicles.

This gauge is built for drivers who want clear, reliable temperature data without guesswork. The white LED backlight makes it easy to read day or night, and the compact 52mm size fits standard dashboard openings. Whether you are building a custom dash or replacing an old gauge, this unit gives you accurate readings from 40℃ to 120℃ and 100℉ to 250℉.

Installation is simple with the 1/8NPT thread sensor and the included water temp adapter that fits hose sizes from 26mm to 40mm. The plastic housing is lightweight and durable, designed to handle the conditions inside a vehicle cabin. Just connect to a 12V power source, and you are ready to monitor your engine's cooling system in real time.

This gauge is specifically designed for gasoline racing cars and standard 12V gasoline vehicles. It is not compatible with diesel engines, motorcycles, boats, or 24V electrical systems, so make sure your setup matches before ordering.

Key Features and Benefits

- Dual unit display that shows both Celsius and Fahrenheit for instant temperature reading

• White LED backlight that stays visible in low light and nighttime driving conditions

• 52mm round gauge body that fits standard dashboard cutouts for easy replacement or upgrade

• 1/8NPT thread sensor that connects securely to your cooling system for accurate data

• Includes water temp adapter for 26-40mm hoses so you can fit different cooling line sizes

• Works on 12V gasoline vehicles only, matching the electrical system of most cars and racing builds

Who Is This For

- Car enthusiasts building or upgrading a gasoline-powered race car dashboard

• Drivers replacing a broken or inaccurate water temperature gauge in a 12V vehicle

• Mechanics or DIY owners adding a secondary temp monitor for better engine awareness

• Anyone who needs both Celsius and Fahrenheit readings in one compact gauge

Usage Scenario

Mike was finishing his weekend project car and noticed the old temperature gauge was stuck on cold. He ordered this 52mm digital gauge and had it installed in under an hour. The adapter fit his 32mm radiator hose perfectly, and the white LED made the numbers easy to read even during a test drive at dusk. Now he watches the temp climb and stabilize, giving him confidence that his cooling system is working right before he takes the car to the track.

Micro Comparison

Unlike analog gauges that can be hard to read at a glance, this digital display gives you an exact number in both Celsius and Fahrenheit. Many budget gauges only show one unit or lack an adapter for different hose sizes. This kit includes the sensor and a versatile adapter, so you have everything you need for a clean install on most gasoline 12V vehicles without buying extra parts.

Specifications

- Material: Plastic shell

• Gauge Diameter: 52mm

• Temperature Range: 40-120℃ / 100-250℉

• Sensor Thread: 1/8NPT

• Water Temp Adapter Range: 26-40mm

• Voltage: 12V (gasoline vehicles only)

• Lighting: White LED

• Item Weight: 135g

Package Includes

- 1x Water Temp Gauge

• 1x Water Temp Sensor

• 1x Water Temp Adapter

Why You Will Love It

You get a complete monitoring kit that installs quickly and reads clearly in any light. The dual unit display removes the guesswork, and the included adapter means you do not have to hunt for extra parts. It is a simple upgrade that gives you real peace of mind every time you drive.

Questions and Answers

Question: Will this gauge work on my 1995 gasoline pickup truck?

Answer: Yes, as long as your truck uses a 12V electrical system and runs on gasoline. It is designed for standard 12V gasoline vehicles.

Question: Does the gauge come with the sensor wire or just the sensor itself?

Answer: The package includes the water temp sensor and the gauge. Wiring is not included, so you will need to connect it to your vehicle's 12V power source.

Question: Can I use this on a diesel engine?

Answer: No, this gauge is specifically made for gasoline vehicles. It does not work with diesel engines.

Question: What size hose does the adapter fit?

Answer: The included water temp adapter fits hose sizes from 26mm to 40mm.

Question: Is the display visible during the day?

Answer: Yes, the white LED backlight is bright enough to read in daylight and also works well at night.

Question: Does this gauge require a separate sender unit or is the sensor included?

Answer: The sensor is included in the package. You get the gauge, the sensor, and the adapter all together.