Mercury – Oil Pressure Gauge 0–100 PSI | Dual Scale | Black Face | 2-1/8" (52 mm) | 79-8M0052848

Overview

The Mercury Oil Pressure Gauge (79-8M0052848) gives you a fast, accurate look at your engine’s oil pressure so you can protect your motor and keep it running at its best. The dual-scale display shows readings in both PSI and Bar, making it easy to monitor in English or Metric units. It features a black face, bright white numerals, and a glass lens that stays clear in any light. Designed to fit a standard 2-1/8" (52 mm) dash opening, this OEM gauge works with SmartCraft systems when oil pressure sensors are installed.

Key Features

• Dual-Scale Readout (0–100 PSI / 0–7 Bar) – Displays oil pressure in both English and Metric units.
• Black Face & Glass Lens – Sleek, high-contrast design that matches Mercury’s OEM gauge family.
• Standard 2-1/8" (52 mm) Fit – Installs easily in new or existing dash openings.
• SmartCraft-Compatible – Works with Mercury engines equipped with oil pressure sensors.
• Accurate & Responsive – Provides real-time readings to help prevent engine damage.
• Durable Marine Build – UV-resistant, corrosion-proof, and designed to withstand vibration and heat.
• OEM Fit & Finish – Matches other SC1000 and SmartCraft black-face gauges for a clean dash layout.

Compatibility

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

Performance & Practical Benefits

This gauge provides peace of mind by keeping you informed about your engine’s oil pressure at all times. The dual-scale display ensures you can read it easily in PSI or Bar, and the black face adds a sleek, professional touch to your helm. It’s easy to install, built to last, and fits right in with Mercury’s SmartCraft system for accurate, real-time data.

Why Buy OEM

Mercury gauges are built for the same environments as their engines — salt, heat, vibration, and constant use. Each gauge is factory-tested for precision and reliability. With OEM equipment, you get factory fit, seamless SmartCraft integration, and long-lasting accuracy that keeps you confident on the water.

FAQ

Q1: What’s the pressure range on this gauge?
It reads 0–100 PSI and 0–7 Bar (dual scale).

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

Q3: Does it work with any Mercury engine?
It’s compatible with SmartCraft-capable engines that include oil pressure sensors.

Q4: Is it easy to install?
Yes — installation is simple using standard SmartCraft wiring.

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

WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.