Speedhut 4" Antique Wat Temp/Volt/OilPSI/Fuel Level Gauge (R4-QG2-ATQ)
The Speedhut 4" Antique Wat Temp/Volt/OilPSI/Fuel Level Gauge (R4-QG2-ATQ) offers a streamlined solution for monitoring your vehicle's most critical systems. This single, stylish 4-inch gauge integrates four essential readings: water temperature, voltage, oil pressure, and fuel level. Designed for accuracy and convenience, this quad gauge provides drivers with a comprehensive overview of their vehicle's health at a glance, saving valuable dashboard space without sacrificing essential information. Its antique aesthetic adds a touch of classic styling to any instrument panel.
KEY FEATURES AND BENEFITS:
Real-Time Monitoring: Displays water temperature (120–260 °F), voltage (6–18V), oil pressure (0–100 PSI), and fuel level (E–F).
Integrated Warning Light: Alerts the driver when parameters fall outside of safe operating ranges.
Easy Installation: Comes with mounting ring and compatible wiring harnesses.
Sensor Compatibility: Works with most standard fuel level sensors ≤ 300 ohms.
Dashboard Efficiency: Combines four gauges into one to conserve panel space.
Gauge Type: Quad Gauge (Water Temp, Volt, Oil PSI, Fuel Level)
Water Temperature Range: 120–260 °F
Voltage Range: 6–18 Volts
Oil Pressure Range: 0–100 PSI
Fuel Level Range: Empty (E) – Full (F), compatible with sensors ≤ 300 ohms
Size: 4 inches (diameter)
Hole Size Required: 3.93 inches (100 mm)
Warning Light: Yes
Gauge Mounting Ring: Included
Included with Purchase:
Pressure Sensor (100 PSI)
Pressure Gauge Wiring Harness (3-Wire Cable)
3 ft Power & Lighting Harness
Temperature Gauge Wiring Harness (2-Wire Cable)
Speedhut Temperature Sensor
Wiring Harness (2-Wire Cable)
Step 1: Mount the 4" Antique Quad Gauge into a 3.93-inch (100 mm) dashboard opening using the included mounting ring.
Step 2: Connect the 3 ft power and lighting harness to the back of the gauge, linking it to a 12V power source and ground.
Step 3: Mount the 100 PSI pressure sensor to your engine's oil system.
Step 4: Connect the 3-wire pressure gauge wiring harness to the sensor and gauge.
Step 5: Mount the Speedhut temperature sensor to your engine to read water temperature.
Step 6: Use the 2-wire harness to connect the temperature sensor to the gauge.
Step 7: Connect the fuel level wiring to the sender unit (≤ 300 ohms) and then to the gauge using the 2-wire harness.
Step 8: Double-check all wiring connections to ensure secure installation.
Step 9: Start the vehicle and check real-time readings for all four parameters. Watch for the warning light for alerts.
BENEFITS OF USING SPEEDHUT 4" ANTIQUE WAT TEMP/VOLT/OILPSI/FUEL LEVEL GAUGE (R4-QG2-ATQ):
Space-Saving Integration: Combines four gauges into a single unit, reducing dashboard clutter.
Complete Engine Health Overview: Enables drivers to assess vital parameters at a glance.
Prevents Costly Repairs: Early detection of irregular readings can help avoid major engine damage.
Effortless Installation: Comes with sensors and harnesses for straightforward setup.
Timeless Aesthetic: Enhances interior styling with a classic, antique look.
Built-In Alerts: Warning light system enhances driving safety.
Four-Function Display: Combines water temperature, oil pressure, voltage, and fuel level into one unit.
Vintage Dashboard Appeal: Antique-style face enhances traditional vehicle interiors.
Complete Sensor Set: Comes with pressure and temperature sensors for plug-and-play use.
Efficient Wiring Setup: Preconfigured harnesses simplify installation and connection.
Safety Indicator: Built-in warning light alerts to abnormal conditions.
Standard Units: Displays readings in Fahrenheit, PSI, and volts.
Easy Mounting: Installs cleanly in a 4-inch opening with included ring.
Wide Voltage Range: Works reliably in systems from 6 to 18 volts.
Fuel Sensor Compatibility: Supports fuel level senders with resistance up to 300 ohms.
Product identification
- Brand: Speedhut
- Model / MPN: R4-QG2-ATQ




