Yamaha 8MD-H591A-20-00 - Engine Control Uni is a genuine Yamaha part. It is an original equipment replacement part for select Yamaha snowmobiles.

---

Key Features & Benefits

• Genuine Yamaha OEM part, number 8MD-H591A-20-00.
• Fits 5 Yamaha models from the 2018 model year.
• Direct replacement for the original part on the listed Yamaha models.

---

Fits These Yamaha Models

• SW10BS Sidewinder BTX 153 1.75 SE - 2018
• SW10M53 Sidewinder MTX 153 - 2018
• SW10M62 Sidewinder MTX 162 - 2018
• SW10MS53 Sidewinder MTX 153 SE - 2018
• View More - see the Fitment tab for full compatibility details

---

Frequently Asked Questions

What is Yamaha part 8MD-H591A-20-00?

8MD-H591A-20-00 is a genuine Yamaha engine control uni for select Yamaha snowmobiles.

Is 8MD-H591A-20-00 a genuine Yamaha part?

Yes, 8MD-H591A-20-00 is a genuine Yamaha OEM part.

Which Yamaha models fit 8MD-H591A-20-00?

This part fits the SW10BS Sidewinder BTX 153 1.75 SE (2018), SW10M53 Sidewinder MTX 153 (2018), SW10M62 Sidewinder MTX 162 (2018), SW10MS53 Sidewinder MTX 153 SE (2018), plus 1 additional model. View the full fitment list in the Fitment tab to confirm your exact model and year before ordering.

---

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.