Mercury – Voltage Gauge 24V | 16–32 Volt Range | Black Face | 2-1/8" (52 mm) | 79-8M0069426

Overview

The Mercury Voltage Gauge 24V (79-8M0069426) lets you keep a close eye on your boat’s 24-volt electrical system. It displays voltage from 16 to 32 volts, helping you confirm battery condition and charging system performance at a glance. With its black face, clean white numerals, and glass lens, it’s easy to read in any light and matches Mercury’s OEM gauge styling. It fits a standard 2-1/8" (52 mm) dash hole and works with SmartCraft-capable systems when compatible sensors are installed.

Key Features

• Voltage Range: 16–32V – Designed for 24V electrical systems, showing battery and alternator performance.
• Black Face & Glass Lens – Classic Mercury styling with crisp visibility and glare resistance.
• Standard 2-1/8" (52 mm) Fit – Easy to install in most dashboards or panels.
• SmartCraft-Ready – Works with Mercury systems that include voltage sensors.
• Reliable Monitoring – Real-time voltage display keeps you aware of system health.
• Marine-Grade Durability – UV-stable, sealed construction built for salt, sun, and vibration.
• OEM Fit & Finish – Matches other Mercury black-face gauges for a seamless dash appearance.

Compatibility

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

Performance & Practical Benefits

This voltage gauge makes it easy to monitor your 24V electrical system while you’re underway. It provides instant confirmation that your charging system is working correctly and your batteries are maintaining the proper voltage. The black face and glass lens match the rest of your Mercury SmartCraft gauge set for a clean, professional-looking helm.

Why Buy OEM

Mercury gauges are built to perform in real-world marine environments — tested for vibration, salt, and temperature extremes. With genuine OEM equipment, you get the correct fit, factory styling, and reliable accuracy that off-brand gauges can’t match.

FAQ

Q1: What voltage range does this gauge read?
It reads 16–32 volts, perfect for 24V systems.

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

Q3: Is it SmartCraft-compatible?
Yes — it’s designed for SmartCraft-equipped systems with voltage sensors.

Q4: Can I install it myself?
Yes — it installs easily using standard Mercury gauge wiring.

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