Sierra 18-8535 Mounting Kit

Upgrading or repairing your outboard motor's power trim system doesn't have to be a hassle. The Sierra mounting kit delivers reliable hardware that secures your trim components firmly in place, ensuring smooth operation even in rough waters. Crafted with precision engineering, this kit replaces worn or damaged mounts, restoring your boat's performance and preventing costly downtime during your next adventure on the water.

Essential Components for Lasting Performance

This comprehensive kit includes all the necessary bolts, brackets, and fasteners designed specifically for power trim assemblies. Each piece is corrosion-resistant, standing up to saltwater exposure and harsh marine environments. Unlike generic hardware, Sierra parts meet or exceed OEM specifications, providing a perfect fit that eliminates vibrations and leaks.

• High-strength stainless steel construction for superior durability
• Pre-matched components for quick, error-free assembly
• Anti-seize coated threads to ease future maintenance
• UV-resistant finishes to combat sun damage

Perfect Fit for Popular Outboard Engines

Engineered for seamless integration with a wide range of 4-cylinder Mercury and Mariner outboards, this mounting kit supports models from 40 to 125 horsepower. Whether you're maintaining a classic workhorse or a high-performance rig, it ensures compatibility without modifications. Boaters often praise how it revives sluggish trim responses, making docking and trailering effortless.

Why Boaters Trust Sierra for Marine Repairs

Sierra stands out in the aftermarket world by focusing on quality control and real-world testing. Independent mechanics and weekend warriors alike choose these kits because they deliver OEM-level reliability at a fraction of the cost. You'll notice the difference in how your engine responds—smoother lifts, quieter operation, and peace of mind knowing your setup is rock-solid. Pair it with routine inspections to extend the life of your entire power trim system.

Pro Tips for Easy Installation

Start by safely supporting the outboard and disconnecting the battery. Remove old mounts carefully, noting their positions. Clean mating surfaces thoroughly to promote a strong bond, then torque new hardware to manufacturer specs using a calibrated wrench. A dab of marine grease on moving parts prevents binding. Most installs wrap up in under an hour, getting you back on the water fast. Always double-check alignments to avoid uneven stress.

Investing in this mounting kit isn't just about fixing a problem—it's about enhancing your boating experience with dependable parts that perform when it matters most.