Mercury – Active Trim Mechanical Kit | MerCruiser Single Engine | 8M0111550

Overview

The Mercury Active Trim Mechanical MerCruiser Single Engine Kit (8M0111550) is built specifically for single-engine 4.5L and 6.2L MerCruiser sterndrive installations. This system automatically adjusts your engine trim for smoother acceleration, better fuel economy, and consistent handling — no manual trim inputs needed.

Active Trim monitors engine RPM, boat speed, and running attitude to keep your boat performing efficiently across all conditions. It’s a simple, automatic way to get the perfect trim every time you throttle up.

Key Features

• Automatic Trim Control – Continuously adjusts trim based on speed and RPM for ideal performance.
• Engine Compatibility – Designed for 4.5L and 6.2L MerCruiser sterndrives (single engine only).
• Plug-and-Play SmartCraft Integration – Connects easily to your existing system for quick setup.
• Improved Fuel Efficiency – Maintains the best running angle to reduce drag and save fuel.
• Hands-Free Operation – No need to manually adjust trim while underway.
• OEM Quality – Genuine Mercury kit designed for reliability and long service life.

Compatibility

• Fits: Single-engine 4.5L and 6.2L MerCruiser sterndrives
• System Type: Mechanical Control Systems (non-DTS)

Performance & Practical Benefits

With Active Trim, you get consistent performance and better efficiency without needing to touch the trim buttons. It automatically finds the sweet spot between performance and economy — trimming down for acceleration and up for cruising. You’ll notice faster planing, smoother handling, and better fuel numbers across your entire RPM range.

Why Buy OEM

Mercury’s Active Trim kits are built for perfect integration with SmartCraft-equipped MercCruiser engines. OEM calibration and hardware mean you get accurate, smooth trim control and dependable performance that aftermarket systems can’t match.

FAQ

Q1: What engines does this kit fit?
It’s made for single-engine 4.5L and 6.2L MerCruiser sterndrives.

Q2: Is it compatible with DTS (Digital Throttle & Shift)?
No — this version is for mechanical-control sterndrives only.

Q3: What does Active Trim do?
It automatically adjusts engine trim based on speed and RPM for optimal performance and efficiency.

Q4: Is this a genuine Mercury kit?
Yes — it’s a factory Mercury Marine product, built to OEM standards.