Mercury – Oil Pressure Gauge 0–150 PSI | Dual Scale | Black Face | 2-1/8" (52 mm) | 79-8M0069428

Overview

The Mercury Oil Pressure Gauge (79-8M0069428) gives you a clear picture of your engine’s oil pressure so you can spot changes before they become problems. It reads up to 150 PSI and includes a dual-scale face showing both PSI and Bar, making it simple to read in either unit. The black face, bright white markings, and glass lens match Mercury’s OEM styling for a sharp, factory look. It fits a standard 2-1/8" (52 mm) gauge opening and works with SmartCraft-equipped engines that have oil-pressure sensors installed.

Key Features

• Dual-Scale Readout (0–150 PSI / 0–10 Bar) – Monitors oil pressure in English and Metric units.
• Black Face & Glass Lens – Clean, high-contrast design for easy reading in any light.
• Standard 2-1/8" (52 mm) Fit – Drop-in installation for most dash layouts.
• SmartCraft Integration – Connects directly to Mercury systems with oil-pressure sensors.
• Accurate Monitoring – Gives real-time pressure feedback to protect your engine.
• Marine-Grade Construction – UV-stable, corrosion-resistant, and vibration-tested.
• OEM Fit & Finish – Matches other Mercury black-face gauges for a seamless dash appearance.

Compatibility

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

Performance & Practical Benefits

This gauge provides a reliable snapshot of your engine’s oil pressure while running at idle or wide open. The dual-scale display lets you read it easily in PSI or Bar, and the black-face design ties in perfectly with other Mercury SC1000-style instruments. Built tough for marine conditions, it’s a solid upgrade or replacement for any SmartCraft setup.

Why Buy OEM

Mercury gauges are built to the same standards as their engines — precise, durable, and tested for real-world marine use. Every unit is vibration-tested, saltwater-rated, and engineered for exact SmartCraft communication. With genuine OEM equipment, you get the right fit, the right data, and years of dependable performance.

FAQ

Q1: What pressure range does it read?
Up to 150 PSI (10 Bar) on a dual-scale display.

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

Q3: Is it SmartCraft-compatible?
Yes — for SmartCraft-capable engines with oil-pressure sensors installed.

Q4: Is installation simple?
Yes — it mounts like any other Mercury 2-1/8" gauge and uses standard SmartCraft connections.

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

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.