Mercury – Oil Pressure Gauge 0–80 PSI | Dual Scale | Black Face | 2-1/8" (52 mm) | 79-8M0069427

Overview

The Mercury Oil Pressure Gauge (79-8M0069427) gives you a clear, real-time reading of your engine’s oil pressure so you can keep your motor running safely and efficiently. Featuring a dual-scale display that reads in both PSI and Bar, it’s easy to read no matter which units you prefer. The black face, crisp white numerals, and glass lens provide a sharp, professional look that matches other Mercury OEM gauges. It fits a standard 2-1/8" (52 mm) dash opening and connects to SmartCraft systems when oil pressure sensors are installed.

Key Features

• Dual-Scale Readout (0–80 PSI / 0–5.5 Bar) – Displays oil pressure in both English and Metric units.
• Black Face & Glass Lens – High-contrast design for clear readability in any light.
• Standard 2-1/8" (52 mm) Dash Fit – Easy drop-in installation for new builds or replacements.
• SmartCraft-Compatible – Works with Mercury systems that include oil pressure sensors.
• Accurate & Responsive – Provides real-time oil pressure readings for dependable monitoring.
• Durable Marine Design – UV-stable, corrosion-resistant, and built to withstand vibration.
• OEM Fit & Finish – Matches other Mercury black-face gauges for a unified helm appearance.

Compatibility

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

Performance & Practical Benefits

Monitoring oil pressure is key to protecting your engine, and this gauge gives you that information instantly. The dual-scale display makes it easy to read whether you’re using PSI or Bar, and the black face blends seamlessly with the rest of your SmartCraft instrument cluster. It’s dependable, easy to install, and built for life in harsh marine environments.

Why Buy OEM

Mercury builds its gauges to meet the same rigorous standards as its engines. Each gauge is vibration-tested, saltwater-rated, and designed for precise SmartCraft communication. With OEM parts, you get the perfect fit, accurate readings, and long-term reliability that Mercury owners trust.

FAQ

Q1: What pressure range does this gauge measure?
It reads 0–80 PSI and 0–5.5 Bar on a dual-scale display.

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

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

Q4: Can I install it myself?
Yes — it installs like other Mercury 2-1/8" gauges using standard SmartCraft wiring.

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