Mercury – Trim Gauge | Gray Face | 2-1/8" (52 mm) | 79-8M0065975

Overview

The Mercury Trim Gauge (79-8M0065975) provides a quick, accurate readout of your engine’s trim position so you can fine-tune your ride on the water. The clean gray face, crisp white markings, and glass lens make it easy to read in all lighting conditions, and it matches perfectly with Mercury’s gray-face gauge family. Designed to fit a standard 2-1/8" (52 mm) dash opening, this gauge integrates directly with SmartCraft systems when compatible trim sensors are installed.

Key Features

• Trim Position Indicator – Displays your engine’s trim angle for smoother handling and better performance.
• Gray Face & Glass Lens – Modern OEM look with sharp visibility and anti-glare clarity.
• Standard 2-1/8" (52 mm) Fit – Simple drop-in installation for most dashboards.
• SmartCraft-Ready – Works with Mercury SmartCraft systems equipped with trim sensors.
• Real-Time Feedback – Provides quick, accurate trim data to optimize boat speed and efficiency.
• Marine-Grade Construction – UV-stable, corrosion-resistant, and vibration-tested for reliability.
• OEM Fit & Finish – Matches Mercury’s gray-face gauges for a cohesive, factory-installed appearance.

Compatibility

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

Performance & Practical Benefits

A trim gauge gives you precise control of your boat’s running angle — improving speed, fuel economy, and comfort. This gray-face version ties in perfectly with other Mercury gauges while giving you clear, dependable readings at a glance. Whether you’re trimming up for top-end performance or down for a smooth cruise, this gauge keeps you dialed in.

Why Buy OEM

Mercury gauges are built to the same demanding standards as their engines. Each one is marine-tested for heat, vibration, and corrosion resistance to ensure reliable operation. With OEM parts, you get accurate SmartCraft communication, perfect fitment, and the lasting quality that Mercury owners expect.

FAQ

Q1: What does this gauge display?
It shows your engine’s trim position in real time.

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

Q3: Will it work with any Mercury engine?
It’s compatible with SmartCraft-equipped engines with trim sensors installed.

Q4: Is it easy to install?
Yes — it installs like other Mercury auxiliary gauges with standard SmartCraft wiring.

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