Yanmar 4TNV86, 4TNV94CHT Engine Control Module (ECM) 2011-2020: OEM 129909-77010

Smart Engine Management: Yanmar 4TNV86 & 4TNV94CHT ECM (2011–2020, OEM 129909-77010)

What is it?
The Yanmar Engine Control Module (ECM), OEM 129909-77010, is the central control unit for 4TNV86 and 4TNV94CHT engines built between 2011 and 2020. It regulates critical engine functions like fuel injection timing, air/fuel ratio, and diagnostics to ensure smooth starts, efficient operation, and consistent performance.

Why choose OEM 129909-77010?
This genuine ECM is built to Yanmar’s specifications, offering optimal calibration, reliability, and compatibility. Choosing OEM 129909-77010 helps prevent calibration errors, fault codes, or performance issues that can come from generic or mismatched modules. It’s the dependable foundation for your engine’s control system.

Key Benefits
✅ Tailored for 4TNV86 and 4TNV94CHT engines (2011–2020)
✅ Manages fuel injection and engine timing with precision
✅ Helps reduce rough idling, hesitation, and power inconsistencies
✅ Built to endure vibration, temperature shifts, and prolonged use
✅ Plug-and-play OEM module for streamlined installation

Applications
This ECM is ideal for Yanmar-powered equipment equipped with 4TNV86 or 4TNV94CHT engines from 2011 to 2020. It’s common in compact machinery, industrial generators, and construction equipment where reliable engine control is essential.

Installation Notes
Turn off the engine and disconnect the battery before starting. Clean the connector and mounting area to avoid contamination. Install the ECM securely following Yanmar’s torque specifications, reconnect the battery, then power the system and check for correct engine startup and operation. Monitor the system for error codes or irregular behavior.

Final Thoughts
For dependable performance in your Yanmar 4TNV86 or 4TNV94CHT engines, the OEM 129909-77010 ECM provides the accurate control and durability you need. With genuine OEM design, calibration, and compatibility, it helps your engine remain responsive and efficient. Tamerx has this module in stock and ready to ship.