Description
The Speedhut 3-3/8″ Cels Oil Temp / Oil Pressure (top/bot) (L3-DG9-LEG) is a comprehensive instrument designed to provide critical insights into your engine’s health. This single, compact unit displays both oil temperature and oil pressure, allowing for efficient monitoring of two vital parameters. With its clear metric readings and included installation components, this gauge is a practical addition for any vehicle enthusiast or professional mechanic needing accurate and reliable engine data.
KEY FEATURES AND BENEFITS:
- Dual Functionality: Integrates oil temperature and oil pressure readings into a single 3-3/8″ (86mm) gauge, saving dashboard space and simplifying monitoring.
- Metric Measurement: Provides readings in Celsius (40-150°C) for oil temperature and bar (0-7 bar) for oil pressure, ensuring accuracy and ease of understanding for users familiar with the metric system.
- Complete Installation Kit: Ships with all necessary sensors (pressure and temperature) and wiring harnesses (power/lighting, temperature sensor, and pressure sensor), facilitating a straightforward installation process.
- LED Backlighting: Features LED illumination via the included power and lighting harness, ensuring excellent visibility of the readings in various lighting conditions.
- Mounting Hardware Included: Comes with a gauge mounting ring, allowing for secure and aesthetically pleasing installation into a standard 3.375″ (86mm) hole.
SPECIFICATIONS:
- Gauge Type: Dual Gauge (Oil Temperature / Oil Pressure)
- Oil Temperature Range: 40 – 150 °C
- Oil Pressure Range: 0 – 7 bar
- Units: Metric
- Size: 3 3/8 inch (86 mm)
- Mounting Hole Size: 3.375 inch (86 mm)
- Included:
- Pressure Sensor – 100 psi
- 3 ft Power & Lighting Harness
- Speedhut Temperature Sensor
- Temperature Gauge Wiring Harness (2-Wire Cable)
- 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 desired mounting location and secure the gauge using the included mounting ring.
- Install the Temperature Sensor: Identify an appropriate port on your engine’s oil system for the temperature sensor and install it securely.
- Connect the Temperature Sensor Wiring: Connect the 2-wire temperature gauge wiring harness between the temperature sensor and the designated terminals on the back of the gauge.
- Install the Pressure Sensor: Locate a suitable port on your engine’s oil system for the pressure sensor and install it securely.
- Connect the Pressure Sensor Wiring: Connect the 3-wire pressure gauge wiring harness between the pressure sensor and the designated terminals on the back of the gauge.
- Connect the Power and Lighting Harness: Connect the 3 ft power & lighting harness to a suitable 12V power source, ground, and the lighting circuit of your vehicle, ensuring correct polarity. Connect the other end to the designated terminals on the back of the gauge.
- Verify Connections: Double-check all wiring connections to ensure they are secure and correct.
- Test the Gauge: Start your vehicle and observe the gauge readings to confirm proper functionality of both the oil temperature and oil pressure displays.
BENEFITS OF USING THE SPEEDHUT 3-3/8″ CELS OIL TEMP / OIL PRESSURE (TOP/BOT) (L3-DG9-LEG):
- Provides a clear and convenient way to monitor two critical aspects of your engine’s lubrication system in one compact unit.
- Helps detect early signs of overheating or low oil pressure to prevent costly engine damage.
- Combines oil temperature and pressure readings for quick visual inspection while driving.
- Includes necessary sensors and wiring harnesses, making installation simpler for both DIYers and professionals.
- Metric readings in Celsius and bar ensure precise measurements for international users.
- LED backlighting enhances readability in any lighting condition.
FEATURES:
- Integrated Dual Display: Presents oil temperature and pressure readings simultaneously for at-a-glance monitoring.
- Dedicated Wiring Harnesses: Includes separate, specific wiring for both the temperature and pressure sensors, ensuring proper signal transmission.
- Illuminated Display: Features LED backlighting for enhanced visibility during nighttime or low-light conditions.
- Direct Sensor Connectivity: Comes with the appropriate sensors designed for accurate oil temperature and pressure measurement.
- Compact Form Factor: The 3-3/8″ size allows for installation in various dashboard configurations without occupying excessive space.
- Secure Mounting: The included mounting ring ensures the gauge is held firmly in place.






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