Yamaha 6CS-8591A-20-00 - Engine control unit assembly is a genuine Yamaha part. It is an OEM replacement component listed for 2 Yamaha models from 2013 through 2014, including the WaveRunner FX SHO and WaveRunner FX Cruiser SHO. Using the correct Yamaha part number helps maintain factory fit and compatibility.

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Key Features & Benefits

• Genuine Yamaha OEM part, factory part number 6CS-8591A-20-00, manufactured for compatible Yamaha applications.
• Designed around Yamaha specifications, dimensions, and the surrounding factory assembly.
• Supports electrical signaling, power management, ignition control, or communication within the compatible Yamaha system.
• Suitable for routine maintenance, restoration, or repair when this part number is specified for the model.

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Fits These Yamaha Models

• FA1800 WaveRunner FX SHO - 2013-2014
• FA1800A WaveRunner FX Cruiser SHO - 2013-2014

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Frequently Asked Questions

What is Yamaha part 6CS-8591A-20-00?

6CS-8591A-20-00 is the Yamaha Engine control unit assembly, a genuine Yamaha part listed for 2 Yamaha models from 2013 through 2014.

Is 6CS-8591A-20-00 a genuine Yamaha part?

Yes, this engine control unit assembly is a genuine Yamaha part, sold under Yamaha part number 6CS-8591A-20-00.

Which Yamaha models fit 6CS-8591A-20-00?

6CS-8591A-20-00 fits the FA1800 WaveRunner FX SHO (2013-2014) and FA1800A WaveRunner FX Cruiser SHO (2013-2014). Confirm exact SKU and model year compatibility before ordering.

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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.