Mercury – Quicksilver Power Trim Relay | Electrical Control System | Marine-Grade Sealed Housing | 8M0207773

Overview

Few things interrupt a good day on the water faster than trim that won’t respond. You tap the switch, expect that familiar whir, and instead you get nothing. This Quicksilver power trim relay is the quiet problem-solver behind smooth trim operation, restoring that instant, confident response you rely on. It’s a small component, but when it’s right, your outboard feels predictable again — whether you’re dialing in the perfect running angle offshore or trimming up at the ramp.

Key Features

• Controls electrical power delivery to the trim system

• Designed specifically for Mercury and Mariner four-stroke outboards

• Marine-grade sealed construction for moisture and corrosion resistance

• Precision internal contacts for reliable electrical switching

• Built to meet Mercury Marine original equipment manufacturer specifications

• Direct replacement for factory-installed trim relay

• Compact design for clean, secure mounting

Engine & Boat Compatibility

• Mercury four-stroke outboards rated at one hundred fifteen horsepower

• Mariner four-stroke outboards rated at one hundred fifteen horsepower

• Commonly used on fishing boats, bay boats, pontoons, and runabouts

• Suitable for single-engine recreational and light-duty commercial use

• Always verify compatibility using your owner’s or service manual

Performance & Practical Benefits

Once installed, this trim relay restores that instant response you expect when adjusting engine height. Trim movement feels steady and predictable, without hesitation or intermittent operation. The relay’s sealed design helps protect against corrosion caused by humidity, spray, and temperature swings, which are common culprits behind electrical failures. Installation is typically straightforward, with mounting points and connections that line up cleanly. Over time, reliable trim operation helps improve handling, fuel efficiency, and overall control, especially in changing water conditions. It’s one of those parts you stop thinking about once it’s working properly — and that’s exactly the goal.

Why Buy OEM

Choosing a genuine Mercury Marine part like this Quicksilver relay is about reliability and peace of mind. Electrical components are especially sensitive to quality and tolerances, and aftermarket relays often fall short in sealing or internal contact durability. OEM parts are engineered specifically for the electrical loads and environments your outboard sees every day. That means fewer surprises, less troubleshooting, and longer service life. For boaters who value dependable trim performance, OEM is the practical, proven choice.

FAQ

Which Mercury engines does this power trim relay fit?
This relay is designed for Mercury and Mariner four-stroke outboards rated at one hundred fifteen horsepower.

What makes this relay different from aftermarket alternatives?
It’s built to original equipment manufacturer standards with marine-grade sealing and reliable internal contacts designed for trim systems.

How do I know this is the correct replacement for my outboard?
Confirm your engine horsepower and model, then match the part number 8M0207773 using your service manual.

Can this be used in both saltwater and freshwater applications?
Yes. The relay is designed for marine environments and performs reliably in both saltwater and freshwater use.

Is installation straightforward for most boat owners?
Many experienced owners can install it themselves, though professional service is recommended if you’re unfamiliar with marine electrical systems.