Description
The Speedhut 2-5/8″ 100-300F Diff Temp Gauge – 90° Sweep (L25-DT2-LEG) is a vital instrument for any vehicle owner who wants to closely monitor the health and performance of their differential. This gauge provides accurate readings of your differential fluid temperature, helping you to identify potential issues before they escalate into costly repairs. Its clear, easy-to-read display and reliable sensor ensure you have the information you need at a glance. Designed for straightforward installation, this gauge comes complete with all the necessary wiring and sensor to get you up and running quickly.
KEY FEATURES AND BENEFITS:
- Temperature Range: 100–300°F coverage for effective differential fluid monitoring.
- 90° Sweep: Allows for easy and accurate reading of temperature changes.
- 2-Wire Performance Sender: Ensures reliable and precise data transmission.
- LED Illumination: Backlit for enhanced visibility in both daytime and nighttime conditions.
- Complete Installation Kit: Includes wiring harnesses and sensor for simple setup.
SPECIFICATIONS:
- Gauge Type: Temperature Gauge
- Temperature Range: 100–300°F
- Size: 2 5/8 inch
- Hole Size: 2.67 inches (68mm)
- Units: Standard (Fahrenheit)
- Temp Sender Type: 2-Wire Temp Sender (Performance)
- Warning Light: No
- Included:
- 3 ft Power & Lighting Harness – for LED Lit Gauges and Clocks
- Speedhut Temperature Sensor
- Temperature Gauge Wiring Harness (2-Wire Cable)
HOW TO USE:
- Mount the Gauge: Choose a suitable location and install the gauge in a 2.67″ (68mm) hole on the dashboard or instrument panel.
- Install the Temperature Sensor: Insert the sensor into the differential housing port and ensure it’s sealed correctly.
- Connect the Sensor Wiring: Attach the 2-wire harness to the terminals on the sensor.
- Connect Power and Lighting: Wire the 3 ft power & lighting harness to a 12V source and ground.
- Connect Gauge to Harnesses: Plug in the sensor and power harnesses into the back of the gauge.
- Test the Gauge: Start the vehicle and verify temperature readings for proper operation.
BENEFITS OF USING THE SPEEDHUT 2-5/8″ 100-300F DIFF TEMP GAUGE – 90° SWEEP (L25-DT2-LEG):
- Helps prevent overheating by allowing real-time temperature monitoring of the differential fluid.
- Extends the life of drivetrain components by identifying stress under load, towing, or harsh terrain conditions.
- Provides critical insight into vehicle performance, enabling proactive maintenance and safer operation.
- Reduces the risk of costly repairs from undetected differential overheating or fluid degradation.
FEATURES:
- Real-time monitoring of differential fluid temperature.
- High-performance 2-wire temperature sensor for precision.
- Clear gauge face with 90° sweep for intuitive readings.
- Standard 2-5/8 inch size compatible with most mounting locations.
- LED backlighting ensures visibility in low-light settings.
- All-inclusive wiring kit streamlines installation.
- Designed to monitor 100–300°F – ideal for differentials.
- Durable construction for automotive environments.





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