Yamaha 6JC-8591A-00-00 Engine Control Unit Assembly is a genuine Yamaha electronic control component. It is designed for the factory engine or vehicle control system on compatible models. Yamaha's parts catalog lists it on the diagrams for 6 Yamaha marine models spanning model years 2019–2025.

Key Features

• Purpose: Replaces a control unit when service information identifies it as the required part.
• Design: Control modules can be highly application-specific.
• Fitment: Listed on Yamaha parts diagrams for 6 marine models, shown in the compatibility section below.
• Part Number: Sold as genuine Yamaha part number 6JC-8591A-00-00.

Engine & Boat Compatibility

• 275E (FPT1800CU 2019, FPT1800CV 2020, FPT1800CW 2021, FPT1800CX 2022)
• 275SD (FPT1800AU 2019, FPT1800AV 2020, FPT1800AW 2021, FPT1800AX 2022)
• 275SE (FPT1800BU 2019, FPT1800BV 2020, FPT1800BW 2021, FPT1800BX 2022, FPT1800BY 2023, FPT1800BA 2024, FPT1800BB 2025)
• 255FSH SPORT E (KPT1800AW 2021, KPT1800AX 2022, KPT1800AY 2023, KPT1800AA 2024, KPT1800AB 2025)
• 255XD (BPT1800GW 2021, BPT1800GX 2022, BPT1800GY 2023)
• 255XE (BPT1800EW 2021, BPT1800EX 2022, BPT1800EY 2023, BPT1800EA 2024, BPT1800EB 2025)

Performance & Real-World Benefits

When diagnosis identifies the control unit as the fault, installing the application-specific module restores the factory control system.

Why Choose Yamaha OEM

Control modules are highly application-specific, so matching the exact Yamaha part number, model, and model year avoids incompatible substitutions.

FAQ

Q1: Is 6JC-8591A-00-00 a genuine Yamaha OEM part?

Yes. This listing is for genuine Yamaha part number 6JC-8591A-00-00.

Q2: How do I confirm this engine control unit assembly fits my Yamaha?

Find your exact model in the Engine & Boat Compatibility list above, then verify part number 6JC-8591A-00-00 against the Yamaha parts diagram for your model and serial number.

Q3: Does this control unit require programming or setup?

Programming, initialization, or calibration requirements can vary by model. Check the applicable Yamaha service information before installation and replacement.

WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.