Mercury – Oil Pressure Gauge L–H | Engine Protection Monitoring | White Face | Chrome Bezel | 79-8M6020024

Overview
This L–H oil-pressure gauge gives you a clear, steady sense of how the engine’s oil system is holding up while you’re out on the water. The needle settles in smoothly, so real pressure changes stand out instead of getting lost in bumps or chop. It’s the kind of gauge you check without thinking—quick look, quick answer, and back to the helm. Simple, clean, and easy to live with.

Key Features
    • L–H Pressure Scale – Shows overall oil pressure on a straightforward range.
    • Smooth Needle Movement – Holds steady through turns, chop, and throttle changes.
    • Standard Dash Fit – Drops neatly into common dash openings.
    • Backlit Display – Stays readable when daylight starts to fade.
    • Marine-Durable Build – Handles spray, vibration, and everyday running.

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

Performance & Practical Benefits
On the water, this gauge makes it easy to catch pressure dips early—whether you’re idling, cruising, or pushing into rougher water. The calm sweep keeps the reading honest, so changes stand out instead of blending into movement from the boat. It’s a quick, dependable check that helps keep the engine in its comfort zone.

Why Buy OEM
OEM gauges follow Mercury’s sender signals the way they’re designed to, which keeps the reading accurate. They hold up better to heat, vibration, and weather than cheaper versions. Most boaters choose OEM because it keeps their engine info steady and trustworthy.

FAQ
1. How do I know if the gauge is starting to fail?
If the needle hangs up, lags, or stops matching throttle changes, it’s likely on the way out.

2. Does this gauge need calibration?
Most rigs read correctly right away, though confirming the sender wiring during install is a good idea.

3. How does it handle saltwater?
Rinsing after each trip helps it stay reliable through saltwater seasons.

4. Anything important during installation?
A clean ground and tight signal lead make a big difference in how smooth the sweep feels.

5. What does low oil pressure look like underway?
The needle sinks toward the low end and tends to stay there when the engine is loaded.