Mercury – Speedometer 45 MPH | Boat Speed Monitoring | White Face | Chrome Bezel | 79-8M6020015

Overview
This 45-MPH speedometer gives you a clear, steady look at your pace without jumping around when the boat shifts. The needle moves with a slow, predictable sweep, so it’s easy to read with just a quick glance. Out on the water, the number you see usually matches the feel of the hull, which makes cruising or trimming out a little more comfortable. It’s a clean, simple gauge that fits right in on any dash.

Key Features
    • 45-MPH Scale – Lays out speed in a clear, easy arc.
    • Smooth Needle Sweep – Holds steady through chop, turns, and throttle changes.
    • Standard Dash Fit – Drops cleanly into common dash openings.
    • Backlit Display – Stays readable when the light gets low.
    • Marine-Durable Build – Handles spray, vibration, and regular use.

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

Performance & Practical Benefits
Out on the water, this gauge makes it easier to fall into a steady pace without staring at the panel. The calm sweep means small changes stand out, and the reading doesn’t fight you when the hull moves. It’s the kind of gauge you look at quickly and get right back to watching the water ahead. Over time, it just becomes part of your normal rhythm on the boat.

Why Buy OEM
OEM gauges match Mercury’s signal pattern exactly, which keeps the reading true. They hold up well to vibration, heat, and weather that tend to wear down cheaper versions. Most boaters prefer OEM simply because the information stays reliable season after season.

FAQ
1. How do I know if the speedometer is starting to fail?
If the needle sticks, drops out, or lags behind the boat’s feel, it’s probably wearing out.

2. Does this gauge need calibration?
Most boats read correctly right away, but checking settings during installation is always smart.

3. How does it do in saltwater?
A quick rinse after your run helps it last through saltwater seasons.

4. Anything important during installation?
Clean, tight signal and power connections help keep the sweep smooth.

5. What does bad behavior usually look like?
You may see drifting numbers, slow response, or readings that bounce for no reason.