Mercury – Quicksilver 8M6007543 Trim/Tilt Motor | OMC Cobra Sterndrive Series | Marine-Grade Construction | 8M6007543

Overview

Anyone who’s spent enough time running an older OMC Cobra knows how much you rely on a trim system that responds the moment you touch the switch. It’s one of those quiet essentials—the kind of thing you don’t think about until it stops working. With the Quicksilver 8M6007543 Trim/Tilt Motor, that worry fades fast. You get a crisp, confident response every time you raise or lower the drive, whether you’re trimming up to slide into shallow water or dropping the bow to settle into a smooth cruise. It brings back that sense of control that makes boating feel easy again.

Key Features

• Designed for OMC Cobra sterndrives
• Twelve-volt trim/tilt motor engineered for precise, consistent movement
• Built with 90/10 copper bushings for long service life
• High-temperature epoxy armature coating protects wiring in harsh marine environments
• Marine-grade housing resists corrosion and moisture
• Matches OEM specifications for direct replacement and reliable performance

Engine & Boat Compatibility

• Fits select OMC Cobra sterndrive systems
• Compatible with sterndrive-equipped runabouts, bowriders, small cruisers, and sport boats
• Suitable for both recreational and light commercial applications
• Ideal for models originally equipped with OMC 984356 trim/tilt assemblies

Performance & Practical Benefits

A trim motor has a big job, even though it sits quietly below deck. It has to stay strong through vibration, temperature swings, salt spray, and constant load—yet still move your drive smoothly when you need it most. The 8M6007543 does exactly that.

You’ll feel the difference right away. The drive lifts cleanly without that strained, uneven shudder you get from worn-out motors. The internal components stay tight and steady, giving you a smooth motion that helps you fine-tune your running angle with confidence. For older OMC setups that may already have a little age on them, this kind of stability brings new life to the boat.

Durability is where this motor really earns its keep. The copper bushings and epoxy-coated armature are designed to handle real-world abuse—heavy humidity, warm engine compartments, and rough chop. Even after long periods without use, it responds with that solid “click and rise” that seasoned boaters recognize instantly.

Installation is straightforward. Bolt patterns match the original equipment, wiring routes the way it should, and there’s no improvising or rebuilding brackets—just a clean, direct replacement with OEM precision.

Why Buy OEM

With something as vital as trim control, OEM-quality parts simply make more sense. Quicksilver builds its components to meet Mercury Marine’s engineering standards, which means better longevity, better fitment, and fewer headaches down the line.

Choosing the 8M6007543 isn’t just about replacing a worn part—it’s about protecting your entire trim system from unnecessary strain. A reliable trim motor reduces stress on rams, relays, switches, and wiring. In the long run, it saves money and keeps your boat handling the way it should.

FAQ

Q1: Which engines does this trim/tilt motor fit?

It fits select OMC Cobra sterndrives originally equipped with compatible OMC trim systems.

Q2: What sets it apart from aftermarket alternatives?

OEM-grade construction, copper bushings, and marine-ready coatings provide longer life and smoother movement.

Q3: How do I confirm compatibility?

Match it to part number 8M6007543 or cross-reference with OMC 984356 in your service manual.

Q4: Can it be used in saltwater?

Absolutely—its corrosion-resistant construction performs well in both saltwater and freshwater.

Q5: Is installation easy?

Most owners with basic tools and sterndrive experience should find the installation straightforward.