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I/O Autopilot Drive Units

Mechanical autopilot drives for sterndrive inboard/outboard steering

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I/O Autopilot Drive Units

I/O stern drives Overview

The I/O stern drives for inboard/outboard vessels are electro-mechanical autopilot steering actuators that work with many popular MerCruiser and Volvo Penta stern drive boats. The drives operate the power steering valve in the same way as the boat's steering cable. When you disengage the autopilot, a clutch disengages the I/O drive so you can steer the boat manually.   

Compatible with 12-volt power systems, these drives work with the Evolution ACU-200 actuator control unit.

When fitting this to your boat, optional bracket kits may be required.  Please consult with your dealer or Raymarine technical support for details.

I/O Drive Unit Options

Standard and Universal Stern Drive actuators work with popular MerCruiser and Volvo Penta inboard/outboard drive systems.

Universal I/O autopilot drive for sterndrive boats SKU: E12026

Universal I/O autopilot drive for sterndrive boats


  • For 12-Volt DC Systems

  • Works with ACU-200

Mechanical I/O autopilot actuator for stern drive boats SKU: M81138

Mechanical I/O autopilot actuator for stern drive boats


  • For 12-Volt DC Systems

  • Works with ACU-200