Description
The Speedhut 3-3/8″ Water Temp / Oil Pressure Dual Gauge (R3-DG1-REV) offers a space-saving solution for monitoring two crucial aspects of your vehicle’s engine health. This single, easy-to-install unit provides real-time readings of both water temperature and oil pressure, allowing you to stay informed about critical operating conditions. Featuring a clear, illuminated display and a built-in warning light, this gauge helps you proactively manage your vehicle’s performance and prevent potential issues.
KEY FEATURES AND BENEFITS:
- Dual Functionality: Combines water temperature and oil pressure readings into a single 3-3/8″ gauge, maximizing dashboard space.
- Comprehensive Monitoring: Displays water temperature in the range of 120-260°F and oil pressure from 0-100 psi, providing essential data for engine management.
- Early Warning System: Integrated warning light alerts you to potential out-of-range conditions, allowing for timely intervention.
- Complete Installation Kit: Ships with all necessary components, including temperature and pressure sending units, and wiring harnesses, ensuring a straightforward setup.
- Secure Mounting: Includes a gauge mounting ring for easy and secure installation in a standard 3.375″ (86mm) diameter hole.
SPECIFICATIONS:
- Gauge Type: Dual Gauge
- Combo Options: Water Temperature and Oil Pressure
- Water Temperature Range: 120-260 °F
- Oil Pressure Range: 0-100 psi
- Standard or Metric: Standard (Fahrenheit and PSI)
- Size: 3 3/8 inch
- Hole Size: 3.375″ (86mm)
- Warning Light: Yes
- Included: Temperature Gauge Wiring Harness (2-Wire Cable), Speedhut Temperature Sensor, 3 ft Power & Lighting Harness, Pressure Sensor (100 psi), Pressure Gauge Wiring Harness (3-Wire Cable), Gauge Mounting Ring.
HOW TO USE:
- Mount the Gauge: Locate a suitable 3.375″ (86mm) diameter hole in your dashboard and insert the gauge. Secure it using the included gauge mounting ring.
- Install the Temperature Sensor: Identify the appropriate location on your engine’s cooling system (typically a coolant passage or thermostat housing) and install the Speedhut temperature sensor. Connect the Temperature Gauge Wiring Harness (2-Wire Cable) to the sensor and the gauge.
- Install the Pressure Sensor: Locate the oil pressure port on your engine (usually near the oil filter or oil pump) and install the 100 psi pressure sensor. Connect the Pressure Gauge Wiring Harness (3-Wire Cable) to the sensor and the gauge.
- Connect Power and Lighting: Attach the 3 ft Power & Lighting Harness to a suitable power source (typically 12V ignition switched) and ground. Connect the other end to the gauge to power the display and warning light.
- Verify Readings: Once all connections are made, start your vehicle and ensure the gauge is displaying accurate readings for both water temperature and oil pressure. Check that the warning light functions as expected.
BENEFITS OF USING THE SPEEDHUT 3-3/8″ WATER TEMP / OIL PRESSURE DUAL GAUGE (R3-DG1-REV):
- Dashboard Efficiency: Combines two essential readings into one gauge, saving space and reducing clutter.
- Proactive Monitoring: Enables continuous awareness of vital engine conditions to prevent potential issues before they escalate.
- Visual Alerts: The integrated warning light provides instant notification of abnormal conditions.
- Ease of Setup: Includes all sensors and wiring, simplifying the installation process.
- Improved Engine Longevity: Helps maintain optimal performance by closely tracking temperature and pressure levels.
- Reliable Readings: Provides accurate and timely data critical for high-performance or everyday driving.
FEATURES:
- Space-Efficient Design: Integrates two crucial readings into a single 3-3/8″ (86mm) unit.
- Real-Time Data: Provides immediate and continuous feedback on water temperature and oil pressure.
- Visual Alert System: Equipped with a dedicated warning light for prompt issue identification.
- Straightforward Installation: Comes with all necessary sensors and wiring for a simplified setup process.
- Secure Fitment: Includes a mounting ring ensuring the gauge stays firmly in place.





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