52mm Car Water Temp Gauge with Alarm and 7 Color Backlight | Universal 12V

Keep your engine running at the right temperature with this 52mm car water temp gauge. It displays temperatures from 40 to 140 degrees Celsius and includes a built-in alarm that triggers between 100 and 140 degrees Celsius. The gauge helps you catch overheating issues before they cause serious damage.

This gauge comes with a water temperature sensor and a sensor adapter that fits an 1/8 NPT thread. The 7-color backlight lets you change the display color to match your dashboard or personal style. It runs on a standard 12V power system and works with most cars.

Installation is straightforward with the included wiring and English manual. The water temperature sensor needs to be grounded properly, or the gauge will only show 40 degrees Celsius. The package also includes a sensor adapter with two clamps, which fits any 1/8 NPT water temp sensor.

Monitor your coolant temperature with confidence. This gauge gives you a clear reading and a loud warning if things get too hot. It is a practical upgrade for anyone who wants to keep their engine safe and running smoothly.

Key Features and Benefits

- 52mm gauge face that fits standard gauge pods and dash openings

• 7-color backlight lets you match the gauge to your interior lighting

• Adjustable alarm range from 100 to 140 degrees Celsius warns you of overheating

• Includes a water temperature sensor and an 1/8 NPT adapter for easy installation

• Universal fit for 12V cars works with most makes and models

• Professional 12V power supply ensures reliable and accurate readings

Who Is This For

- Car enthusiasts who want to monitor engine temperature more closely

• DIY mechanics installing aftermarket gauges in custom builds or project cars

• Drivers of older vehicles without a factory coolant temperature gauge

• Anyone replacing a broken or inaccurate factory water temp gauge

Usage Scenario

Mark recently finished restoring his classic sedan. The original dashboard had no temperature gauge, so he relied on guesswork during summer drives. After installing this 52mm water temp gauge, he can see the exact coolant temperature at a glance. During a long highway trip, the alarm sounded when the engine started running hotter than usual. Mark pulled over, found a minor coolant leak, and fixed it before any damage occurred. The gauge gave him the warning he needed to avoid a costly repair.

Micro Comparison

Some basic temperature gauges only show a needle without a numerical display or alarm. This gauge gives you both a clear digital-style reading and an audible warning when the temperature climbs too high. The 7-color backlight also sets it apart from single-color gauges, letting you customize the look of your dashboard without extra work.

Specifications

Display Range: 40 to 140 degrees Celsius

Alarm Range: 100 to 140 degrees Celsius

Gauge Diameter: 52 mm / 2.0 in

Item Height: 53 mm / 2.1 in

Item Length: 57 mm / 2.2 in

Item Width: 52 mm / 2.0 in

Item Weight: 0.35 kg / 12.3 oz

Power: 12V

Sensor Mounting Thread: 1/8 NPT

Manufacturer Part Number: 5044B

Please allow 1-3 cm / 0.4-1.2 in difference due to manual measurement.

Package Includes

- 1 x Water Temp Gauge (40-140 degrees Celsius)

• 1 x Water Temp Sensor (1/8 NPT)

• 1 x Wire

• 1 x Water Temp Gauge Sensor Adapter with Two Clamps (fits any 1/8 NPT water temp sensor)

• 1 x English Manual

Why You Will Love It

You get real-time engine temperature data that helps you prevent overheating and costly repairs. The customizable backlight lets you match your dashboard style without extra effort. It is a simple, reliable upgrade that gives you peace of mind every time you drive.

Questions and Answers

Question: Does this gauge work with a 12V system?

Answer: Yes, it is designed for professional 12V car electrical systems.

Question: What does the alarm do?

Answer: The alarm sounds when the coolant temperature reaches between 100 and 140 degrees Celsius, warning you of potential overheating.

Question: How do I change the backlight color?

Answer: You can change the backlight color using the keys on the gauge itself. There are 7 colors to choose from.

Question: What size adapter do I need?

Answer: The adapter comes in sizes 28 mm, 30 mm, 32 mm, 34 mm, 36 mm, 38 mm, and 40 mm. Choose the size that fits your car's hose or fitting.

Question: Why does the gauge only show 40 degrees Celsius?

Answer: The water temperature sensor needs to be properly grounded. If it is not grounded, the gauge will only display 40 degrees Celsius.