Multi 85mm 6-in-1 Tachometer Gauge Set | Fuel Level, Water Temp, Oil Pressure, Voltmeter for 12V/24V Cars & Boats

Keep all your engine vitals in one clear view. This 85mm multi-function gauge combines a tachometer, fuel level gauge, water temperature meter, oil pressure gauge, and voltmeter into a single, easy-to-read LCD display. It works with 12V and 24V systems, making it a solid choice for cars, trucks, boats, and more.

This gauge set is built for real-world use. The high-definition LCD screen delivers sharp readouts, while the programmable inputs let you match it to your specific engine and sensors. Whether you are upgrading an old dashboard or building a new one, this unit simplifies your setup without sacrificing accuracy.

Durability is built in. The bezel is made from 316L stainless steel to resist corrosion, and the housing is IP67 waterproof. It handles wide temperature ranges and includes reverse polarity protection for safer installation. You get one gauge that covers five critical functions, reducing clutter and wiring complexity.

Installation is straightforward with the standard 85mm cutout. The gauge supports a variety of signals and is compatible with the included sensors for tachometer, fuel level, oil pressure, and water temperature. It is a practical, all-in-one solution for keeping your engine running smoothly.

Key Features and Benefits

- 6 functions in one gauge that reduces dashboard clutter and simplifies wiring.

• High-definition LCD screen that provides clear, easy-to-read data at a glance.

• Programmable inputs for tachometer ratio, ohm signals, and hour meter that allow custom setup for different engines.

• 316L stainless steel bezel that resists corrosion for long-lasting use in marine and outdoor environments.

• IP67 waterproof rating that protects against water and dust ingress.

• Reverse polarity protection that helps prevent damage during installation.

• Works with both 12V and 24V systems for versatile use across vehicles and boats.

Who Is This For

- Boat owners who want a single, waterproof gauge to monitor engine performance on the water.

• Truck and tractor operators needing a durable, multi-function display for 12V or 24V electrical systems.

• Car enthusiasts upgrading their dashboard with a clean, modern LCD gauge that replaces multiple separate units.

• DIY mechanics and builders working on custom vehicles, generators, or off-road equipment.

Usage Scenario

Mark had been struggling with a cluttered dashboard on his fishing boat. He had separate gauges for RPM, fuel level, water temperature, and oil pressure, and one of them always seemed to fail during a trip. After installing this 6-in-1 gauge, he now sees all his engine data on one bright LCD screen. The fuel sensor reads his tank accurately, and the oil pressure warning gives him peace of mind when running offshore. The stainless steel bezel has held up against salt spray, and the simple installation saved him hours of wiring work.

Micro Comparison

Many single-function gauges require individual wiring, separate cutouts, and extra dashboard space. This 6-in-1 unit combines five essential readings into one compact 85mm housing, reducing installation time and keeping your panel clean. The programmable inputs also give you more flexibility to match your specific engine sensors compared to fixed-range gauges.

Specifications

- Material: Plastic housing with 316L stainless steel bezel

• Diameter: 85 mm / 3 3/8 in

• Working Voltage: 12V / 24V DC

• Tachometer Range: 0 - 199999 RPM

• Hour Meter Range: 0 - 99999.9 hours

• Water Temperature Range: 0 - 399 degree C / F

• Oil Pressure Range: 0 - 99.9 PSI / BAR

• Voltmeter Range: 0 - 99.9V DC

• Fuel Level Signal: 0 - 190 Ohm

• Water Temp Sensor Thread: 1/8 NPT

• Oil Pressure Sensor Thread: 1/8 NPT

• Working Temperature: -40 to 85 degree C

• Waterproof Rating: IP67

• Bezel Color: Black / Silver

• Weight: 360 g / 12.7 oz

Please allow 1-3 cm / 0.4-1.2 in difference due to manual measurement.

Package Includes

- 1 x Gauge

• 1 x Tacho Sensor (M16/M18 signal)

• 1 x Oil Pressure Sensor (1/8 NPT)

• 1 x Fuel Sensor (0-190 Ohm, length options: 150mm, 200mm, 250mm, 300mm, 350mm, 400mm, 450mm)

• 1 x User Manual

Why You Will Love It

You get one clean gauge that replaces five separate instruments, saving space and simplifying your dashboard. The bright LCD screen makes it easy to check your engine status at a glance, whether you are driving a truck or piloting a boat. It is built tough with corrosion-resistant materials and a waterproof seal, so you can rely on it in demanding conditions.

Questions and Answers

Question: Does this gauge work with a 12V car and a 24V truck?

Answer: Yes, it works with both 12V and 24V systems automatically.

Question: What size hole do I need to cut for installation?

Answer: You need an 85 mm or 3 3/8 inch diameter cutout.

Question: Can I use my own fuel sender with this gauge?

Answer: Yes, as long as your sender has a 0-190 ohm output signal, it will work.

Question: Is the display easy to read in direct sunlight?

Answer: Yes, the high-definition LCD screen is designed for good visibility in bright conditions.

Question: Does it come with all the sensors I need?

Answer: The package includes a tacho sensor, an oil pressure sensor, and a fuel level sensor. You may need to select the correct fuel sensor length for your tank.

Question: Is this gauge waterproof for marine use?

Answer: Yes, it has an IP67 waterproof rating and a corrosion-resistant stainless steel bezel.