Mercury – Voltage Gauge 24V | 16–32 Volt Range | White Face | 2-1/8" (52 mm) | 79-8M0069412

Overview

The Mercury Voltage Gauge 24V (79-8M0069412) gives you a reliable view of your boat’s electrical system at a glance. Built to monitor voltage between 16 and 32 volts, this gauge helps ensure your 24V system is charging and performing as it should. It features a white face, black numerals, and a glass lens for clear, easy reading and matches other Mercury OEM gauges perfectly. It fits any 2-1/8" (52 mm) dash hole and connects to SmartCraft-compatible systems depending on your engine and sensors.

Key Features

• Voltage Range: 16–32 Volts – Monitors 24V battery and alternator performance.
• White Face & Glass Lens – Classic Mercury styling with sharp visibility.
• Standard 2-1/8" (52 mm) Fit – Easy drop-in installation or replacement.
• Accurate Monitoring – Provides live voltage readings for 24V systems.
• Engine-Specific Functionality – Depends on available sensors and SmartCraft setup.
• Marine-Grade Build – UV-resistant, corrosion-proof materials for long life offshore or in fresh water.
• OEM Integration – Designed to fit seamlessly with other Mercury gauges and panels.

Compatibility

• Fits: Mercury SmartCraft-equipped boats (functionality varies by engine model and available sensors)

Performance & Practical Benefits

This Mercury voltage gauge gives you peace of mind on every trip by letting you know your electrical system is healthy and charging properly. It’s easy to install, simple to read, and built for life in the marine environment. Whether you’re replacing an older gauge or finishing a full SmartCraft setup, this OEM unit gives you accurate, dependable readings every time you turn the key.

Why Buy OEM

Mercury’s gauges are built to the same standards as their engines — precise, tough, and made for the long haul. Each one is tested for vibration, temperature, and salt exposure, ensuring lasting reliability. With OEM equipment, you know you’re getting a gauge that fits right, works right, and looks right on your dash.

FAQ

Q1: What voltage range does this gauge cover?
It reads from 16 to 32 volts, ideal for 24V systems.

Q2: What dash opening does it fit?
A standard 2-1/8" (52 mm) gauge hole.

Q3: Will this work with any Mercury engine?
It’s designed for SmartCraft-capable engines, but readings depend on the available sensors.

Q4: Is it easy to install?
Yes — it’s a simple, plug-in installation for most setups.

Q5: Is this an OEM Mercury gauge?
Yes — it’s a genuine Mercury Marine voltage gauge, built to factory specifications.