Unlocking Precision Power: Exploring the Suzuki 2014 DF50AV 50hp Outboard Engine Control Unit (ECU)


In the realm of marine engines, Suzuki has long been revered as one of the top-tier brands. Its blend of technological innovation and reliability has made it a preferred choice for many. In this blog post, we'll delve into the intricacies of the Suzuki 2014 DF50AV 50hp outboard engine control unit (ECU), focusing on its significance, specifications, and compatibility.

Product Overview

The 2014 Suzuki DF50AV 50hp outboard engine is renowned for its exceptional performance and durability, making it a staple choice for boating enthusiasts and professionals alike. At the heart of this powerhouse lies its electronic control unit (ECU), a critical component responsible for managing the engine's operations with precision and efficiency.

Understanding the ECU

The ECU serves as the brain of the outboard engine, orchestrating a symphony of processes to ensure optimal performance under varying conditions. It regulates crucial parameters such as fuel injection, ignition timing, and throttle response, adapting seamlessly to changes in load and environmental factors.


The ECU for the Suzuki 2014 DF50AV 50hp outboard engine comes in two variants, each identified by a distinct part number:

  1. Part Number: 33920-87LL0
  2. Part Number: 33920-87L80

These ECUs are meticulously engineered to meet the exacting standards set by Suzuki, guaranteeing compatibility and reliability.


The ECU with part numbers 33920-87LL0 and 33920-87L80 is specifically designed for use with the 2014 Suzuki DF50AV 50hp outboard engine. Its plug-and-play design ensures seamless integration, making it an ideal choice for both OEM installations and aftermarket upgrades.

Key Features

  • Advanced Engine Management: The ECU employs sophisticated algorithms to optimize engine performance across the entire RPM range, delivering enhanced fuel efficiency and power output.

  • Diagnostic Capabilities: Built-in diagnostics enable quick identification of potential issues, allowing for timely maintenance and troubleshooting.

  • Waterproof Construction: Designed to withstand the rigors of marine environments, the ECU is sealed against moisture and corrosion, ensuring long-lasting reliability.

Installation and Maintenance

Installing the ECU is a straightforward process, requiring basic mechanical knowledge and standard tools. Suzuki recommends following the manufacturer's guidelines for proper installation and periodic maintenance to maximize performance and longevity.


The Suzuki 2014 DF50AV 50hp outboard engine control unit (ECU) exemplifies the brand's commitment to excellence and innovation. With its precision engineering, advanced features, and robust construction, it stands as a testament to Suzuki's legacy of quality and reliability in the marine industry.

Whether you're embarking on a leisurely cruise or tackling challenging waters, trust in the Suzuki ECU to deliver unparalleled performance and peace of mind every time you hit the throttle.

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