Suzuki DF9.9B/DF15A/DF20A Engine Control Unit ECM 33930-89L20

The Suzuki Engine Control Unit (ECM) 33930-89L20 is a genuine Suzuki OEM electronic control module designed for select DF9.9B, DF15A, and DF20A four-stroke outboards with electric start. The ECM controls critical engine functions and is calibrated to manage engine operation, fuel delivery, ignition timing, and electronic systems.

This ECM is commonly used as part of a Suzuki horsepower upgrade application, converting compatible 9.9 HP and 15 HP electric-start models to 20 HP when combined with the required supporting components. Proper application depends on engine model, starting system, and serial number configuration.

Compatible with the following:

• Suzuki DF9.9B (Electric Start Models)
• Suzuki DF15A (Electric Start Models)
• Suzuki DF20A (Electric Start Models)

Replaces/Supersedes: 33920-89LJ0, 33920-89LA0, 33920-89L22, 33920-89L21, 33920-89L20

Exact fitment can vary by engine model, horsepower configuration, starting system, and serial number, so compatibility should be confirmed before ordering.

To Confirm Compatibility: Contact our team with your engine model and serial number before ordering. Call 727-596-5929 for assistance.