Mercury – Water Level Gauge | Gray Face | 2-1/8" (52 mm) | 79-8M0065972

Overview

The Mercury Water Level Gauge (79-8M0065972) lets you monitor your onboard freshwater or livewell tank levels with precision and ease. It features a gray face, white numerals, and a glass lens for a sharp, easy-to-read display that fits right in with Mercury’s OEM gray-face gauge line. The gauge installs in a standard 2-1/8" (52 mm) dash hole and works with SmartCraft-capable systems when paired with compatible tank sensors.

Key Features

• Water Level Display – Monitors tank or livewell water levels through connected sensors.
• Gray Face & Glass Lens – Modern, high-contrast design that’s easy to read in any lighting.
• Standard 2-1/8" (52 mm) Fit – Simple, drop-in installation for most dashboards or panels.
• SmartCraft Integration – Works with Mercury SmartCraft systems equipped with water level sensors.
• Accurate Monitoring – Provides real-time tank readings for confident water management.
• Marine-Grade Construction – UV-stable, corrosion-resistant, and built to handle vibration and saltwater exposure.
• OEM Look & Finish – Matches Mercury’s gray-face gauges for a consistent, factory-quality helm setup.

Compatibility

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

Performance & Practical Benefits

This gauge takes the guesswork out of tracking your freshwater or livewell levels. Whether you’re preparing for a long run or keeping your bait tank dialed in, it gives you instant feedback. The gray face adds a refined, factory look to your dash while providing accurate and reliable readings that make boating easier.

Why Buy OEM

Mercury gauges are built to the same standards as their engines — rugged, precise, and marine-tested. Every unit is vibration-checked, saltwater-rated, and proven for long-term reliability. Choosing OEM means guaranteed compatibility, perfect fit, and lasting performance that you can count on.

FAQ

Q1: What does this gauge measure?
It displays your water or livewell tank levels, depending on connected sensors.

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

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

Q4: How easy is it to install?
It installs like any other small Mercury gauge — quick and straightforward.

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