Speedhut 3-3/8" Quad Water Temp/Volt/Oil PSI/Fuel Level (R3-QG2-REV)
The Speedhut 3-3/8" Quad Water Temp/Volt/Oil PSI/Fuel Level (R3-QG2-REV) is a compact and efficient instrument designed to provide drivers with a comprehensive overview of their vehicle's most critical operating parameters. This single, 3-3/8 inch (85mm) gauge consolidates four essential readings into one easy-to-monitor display, helping you stay informed about your engine's health and performance.
KEY FEATURES AND BENEFITS:
Space-Saving Design: Combines voltage, water temperature, oil pressure, and fuel level into one gauge.
Sensor Inclusion: Comes with electronic pressure and temperature sensors for simplified installation and accurate readings.
Integrated Warning Light: Alerts drivers to potential issues before they become serious problems.
Fuel Sender Compatibility: Works with most fuel level sensors under 300 ohms for broader installation options.
Dashboard Organization: Reduces clutter by replacing multiple gauges with one multifunctional unit.
Gauge Type: Quad Gauge
Voltage Range: 6-18 volts
Water Temperature Range: 120-260 °F
Fuel Level Range: Empty (E) – Full (F)
Oil Pressure Range: 0-100 psi
Size: 3 3/8 inch (85mm)
Mounting Hole Size: 3.28 inch (83mm)
Standard or Metric: Standard
Warning Light: Yes
Fuel Level Signal Type: 300 ohms or less (most fuel level sensors)
Pressure Sensor – 100 psi
Pressure Gauge Wiring Harness (3-Wire Cable)
Temperature Gauge Wiring Harness (2-Wire Cable)
3 ft Power & Lighting Harness – for LED Lit Gauges and Clocks
Wiring Harness (2-Wire Cable)
Speedhut Temperature Sensor
Disconnect Battery: Begin by disconnecting your vehicle's negative battery terminal for safety.
Mounting Location: Select the desired location and create a 3.28-inch (83mm) diameter hole.
Secure Gauge: Use the spin-lock mechanism to fix the gauge in place.
Power Connection: Connect the Power & Lighting Harness to ground, +12V accessory, and optional dash lighting circuit.
Install Pressure Sensor: Mount in the appropriate engine port and connect to the Pressure Gauge Wiring Harness.
Install Temperature Sensor: Place in the coolant passage and connect to the Temperature Gauge Wiring Harness.
Voltage Input: Connect the 2-Wire Cable to a reliable +12V source and ground.
Fuel Sender Connection: Connect the sender wire to the gauge input, ensuring compatibility with 300 ohms or less.
Reconnect Battery: Restore the vehicle’s negative terminal connection.
Test Gauge: Turn ignition on and verify gauge operation; follow Speedhut’s manual for any calibration.
BENEFITS OF USING THE SPEEDHUT 3-3/8" QUAD WATER TEMP/VOLT/OIL PSI/FUEL LEVEL (R3-QG2-REV):
Centralized Monitoring: Allows real-time visibility of voltage, temperature, oil pressure, and fuel level in one display.
Engine Health Awareness: Alerts drivers to vital changes that can indicate mechanical issues.
Space Efficiency: Combines multiple gauges into a single compact device for a cleaner dashboard.
Easy Installation: Includes all necessary sensors and wiring for straightforward setup.
Fuel Awareness: Prevents unexpected depletion by keeping track of fuel levels consistently.
Four-in-One Display: Presents voltage, water temperature, oil pressure, and fuel level in a single, compact unit.
Direct Voltage Monitoring: Provides a real-time readout of your vehicle's electrical system.
Precise Temperature Indication: Displays accurate coolant temperature readings to help prevent overheating.
Essential Pressure Monitoring: Shows vital oil pressure levels for engine lubrication awareness.
Fuel Level Insight: Offers a clear indication of the remaining fuel in the tank.
Broad Fuel Sender Compatibility: Designed to work with most fuel level sensors up to 300 ohms.
Included Sensors: Comes with the necessary pressure and temperature sending units for immediate installation of those functions.
Straightforward Wiring: Includes dedicated harnesses for easy connection of power, lighting, and sensors.
Secure Mounting: Utilizes a spin-lock ring for a stable and hassle-free installation.
Product identification
- Brand: Speedhut
- Model / MPN: R3-QG2-REV




