Mercury Engine Control Unit (ECU) 8M0135817

The Mercury Engine Control Unit (ECU) 8M0135817 is a genuine Mercury OEM electronic control module designed to manage critical engine functions and optimize engine performance. The ECU serves as the central control component for the engine management system, processing data from multiple sensors and adjusting operating parameters for proper engine operation.

This electronic control unit monitors and controls various engine functions, including fuel delivery, ignition timing, engine protection systems, and other performance-related parameters. Genuine Mercury ECUs are calibrated to Mercury Marine specifications to provide proper engine operation, reliability, and performance.

Because engine control modules are often application-specific, proper part number and serial number verification is essential before ordering. Installation and programming requirements may vary depending on the engine model and application.

To confirm compatibility, contact our team with your engine serial number at (727) 596-5929 before ordering.