Mercury – Water Level Gauge | Black Face | 2-1/8" (52 mm) | 79-8M0052846

Overview

The Mercury Water Level Gauge (79-8M0052846) gives you a quick, accurate view of your freshwater or livewell tank levels. It features a black face, crisp white markings, and a glass lens for clear visibility in any light. The gauge fits a standard 2-1/8" (52 mm) dash opening and works with SmartCraft-compatible systems when water-level sensors are installed. It’s durable, easy to read, and designed to blend perfectly with other Mercury black-face gauges.

Key Features

• Water Level Display – Monitors tank or livewell levels using connected sensors.
• Black Face & Glass Lens – Sharp, clean look with bright white numerals for easy reading.
• Standard 2-1/8" (52 mm) Fit – Simple drop-in installation for new or replacement setups.
• SmartCraft-Ready – Integrates with Mercury SmartCraft systems equipped with water-level sensors.
• Reliable Monitoring – Provides steady, accurate readings for tank management.
• Marine-Grade Construction – UV-stable, corrosion-resistant, and vibration-tested for long service life.
• OEM Fit & Finish – Matches other Mercury black-face gauges for a professional factory look.

Compatibility

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

Performance & Practical Benefits

This gauge helps you keep track of onboard water or livewell tank levels with accuracy and ease. Whether you’re cruising, fishing, or just making sure you have fresh water for the trip, it keeps the information front and center. The black face ties in seamlessly with your Mercury gauge set, adding both style and function to your dash.

Why Buy OEM

Mercury designs its gauges to handle real-world marine conditions. Every gauge is tested for heat, vibration, and salt exposure to guarantee long-term reliability. Choosing OEM means perfect fit, factory-tested accuracy, and years of dependable performance — the same quality that comes on new Mercury-rigged boats.

FAQ

Q1: What does this gauge measure?
It shows your freshwater or livewell tank level, depending on installed sensors.

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

Q3: Does it work with all Mercury engines?
It’s designed for SmartCraft-capable systems with compatible tank sensors.

Q4: Is installation easy?
Yes — it installs like any standard Mercury auxiliary gauge.

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