Mercury – Oil Pressure Gauge L–H | Engine Protection Monitoring | Black Face | Chrome Bezel | 79-8M6020012

Overview
This L–H oil-pressure gauge gives you a clear read on how the engine’s oil system is holding up while you’re out on the water. The needle moves in a calm, steady swing, so you’re not mistaking boat movement for a real pressure change. It becomes one of those quick checks you make without thinking—look down, see where it’s sitting, and keep running. Simple, useful, and easy to trust.

Key Features
    • L–H Pressure Scale – Gives a quick view of overall oil pressure.
    • Smooth Needle Movement – Stays steady through chop and throttle changes.
    • Standard Dash Fit – Drops right into common dash openings.
    • Backlit Display – Easy to read in low or fading light.
    • Marine-Durable Build – Built to handle vibration, spray, and everyday use.

Engine & Boat Compatibility
    • FourStroke outboards
    • Verado series
    • Pro XS engines
    • SmartCraft systems

Performance & Practical Benefits
On the water, this gauge helps you spot low-pressure situations early, before they turn into something you don’t want to deal with. The steady sweep makes real changes easy to notice without staring at the panel. It works just as well at idle as it does at cruise. Before long, it becomes part of your natural routine at the helm.

Why Buy OEM
OEM gauges follow Mercury’s sender signals correctly, so the pressure reading you see is the real one. They hold up to vibration, heat, and weather better than cheaper alternatives. Most boaters stick with OEM because oil pressure is something worth keeping accurate.

FAQ
1. How do I know if the oil-pressure gauge is failing?
If the needle sticks, lags, or doesn’t change with throttle, it’s likely wearing out.

2. Does this gauge need calibration?
Most rigs read correctly right away, but checking the sender during install is always smart.

3. How does it handle saltwater?
A quick rinse after each outing helps keep it in good shape.

4. Anything important during installation?
Clean grounds and tight signal wiring help the reading stay smooth and honest.

5. What does low pressure usually look like on this gauge?
The needle drops toward the low side and stays there when the engine is under load.