Tinted Magnifying Lens
The tinted lens provides a dark appearance when the gauge is not illuminated. Magnification improves visibility of the dial markings and pointer while adding depth to the display.
Because the lens is tinted, proper wiring of the illumination circuit is especially important for nighttime readability.
Illuminated Red Pointer
A red illuminated pointer provides a quick visual reference during daytime and nighttime operation. The analog sweep makes changes easy to recognize without requiring the driver to concentrate on a small numeric display.
Although the supplied title calls this a “digital LED” gauge, the red sweeping pointer and dial description indicate an electronic analog gauge with LED backlighting—not a numeric digital meter.
Included 1/8 NPT Electronic Sensor
The kit includes an electronic temperature sensor with a 1/8 NPT thread. This common aftermarket size works with many adapters and dedicated sensor ports.
Installation may require:
- An engine coolant-port adapter
- Thermostat-housing adapter
- Radiator-hose sensor adapter
- NPT reducer or bushing
- Dedicated coolant manifold
Confirm the vehicle’s port size before installation. NPT and metric threads may look similar, right until one removes the other’s threads with impressive efficiency.
Slim 52mm Housing
The housing measures 2 inches, or approximately 52mm, and is designed to fit standard 2-1/16-inch gauge pods.
Potential mounting locations include:
- A-pillar gauge pods
- Dashboard openings
- Steering-column pods
- Center-console panels
- Custom instrument clusters
The slim housing allows installation in areas with limited rear clearance. Leave enough additional room for wiring and the retaining bracket.
Universal 12V Compatibility
This gauge is designed for most vehicles using a 12V DC electrical system, including:
- Cars
- Pickup trucks
- SUVs
- Off-road vehicles
- Custom builds
- Restomods
- Compatible marine applications
It is not specified for direct use on 24V systems.
Product Specifications
| Specification | Detail |
|---|---|
| Product type | Electronic analog water-temperature gauge |
| Gauge diameter | 2 inches / 52mm |
| Temperature range | 100–300°F |
| Measurement unit | Fahrenheit |
| Display | Analog dial with illuminated pointer |
| Pointer color | Red |
| Lens | Tinted magnifying lens |
| Backlight colors | Blue, red, green, teal, purple, white and yellow |
| Color selection | Lens-mounted button |
| Sensor type | Electronic temperature sender |
| Sensor thread | 1/8 NPT |
| Wiring-harness length | 23.5 inches |
| Power supply | 12V DC |
| Mounting bracket | U-shaped holder |
| Compatibility | Most 12V cars and trucks |
Package Contents
The kit includes:
- One 52mm water-temperature gauge
- One 1/8 NPT electronic temperature sensor
- One 23.5-inch wiring harness
- One instruction sheet
- One U-shaped mounting bracket
- Installation hardware
Vehicle-specific sensor adapters are not listed and may need to be purchased separately.
Installation Recommendations
Professional installation is recommended because the sender must contact engine coolant without causing a leak.
General precautions include:
- Disconnect the vehicle battery.
- Allow the cooling system to become completely cold.
- Confirm the mounting opening and available depth.
- Identify an appropriate coolant-sensor location.
- Verify the 1/8 NPT connection or obtain the correct adapter.
- Install the sensor where it remains exposed to circulating coolant.
- Route wiring away from exhaust parts, belts and sharp edges.
- Connect the gauge through a fused 12V circuit.
- Refill and bleed the cooling system correctly.
- Inspect the sender connection for leaks.
- Compare the initial reading with scan-tool data when possible.
Never open a hot or pressurized cooling system.
Frequently Asked Questions
Is this a digital gauge?
It is electronically operated and uses LED illumination, but the supplied description indicates an analog dial with a sweeping red pointer. It does not appear to have a numeric digital display.
What temperature range does it measure?
The gauge displays temperatures from 100°F to 300°F.
Does it display Celsius?
No. This version is specified with a Fahrenheit scale.
How are the backlight colors changed?
A button on the gauge lens switches between the seven available solid colors.
Does it include a temperature sensor?
Yes. The kit includes an electronic sender with a 1/8 NPT thread.
Will the sensor fit every vehicle?
No. Some vehicles require a coolant-port adapter or radiator-hose sensor fitting.
Will it fit a standard gauge pod?
The housing is designed for standard 52mm or 2-1/16-inch gauge pods. Confirm opening diameter, mounting depth and bracket clearance.
Can it operate on 24V power?
No. The gauge is specified for 12V electrical systems.
Is the gauge waterproof?
No waterproof or IP rating is provided. Protect it from direct water exposure.
Does it include an overheat alarm?
No programmable or fixed warning function is listed. The driver must monitor the pointer and respond to an abnormal reading.
For cooling-system diagnosis, review the signs of a failing radiator and how to deal with an overheating engine.
Custom Lighting with Practical Engine Monitoring
This universal 52mm water temperature gauge combines useful coolant monitoring with seven selectable LED colors, a tinted magnifying lens and an illuminated red pointer. Its included 1/8 NPT sensor, slim housing and standard gauge-pod size make it a practical upgrade for many 12V cars and trucks.
It delivers custom lighting without requiring an app, account or monthly subscription. A rare moment of technological restraint.
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