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Ships within 48 hours · Estimated delivery Jun 15 - Jun 20
For Your Every Summer RSVP, with Code: SUMMER15
Description
YAMAHA OEM ENGINE CONTROL UNIT ASSY New #6D3-8591A-21-00YAMAHA OEM ENGINE CONTROL UNIT ASSY New #6D3 8591A 21 00 INCLUDED ITEM[NUMBER NAME] ENGINE CONTROL UNIT ASSY Parts Number Changes 6D3 8591A 20 006D3 8591A 21 00 *Shipping cost is not included. Please complete payment for the product only first and please note that shipping charges are billed separately. SHIPPING AND RETURN 1. WORLDWIDE SHIPPING. (Except Japan) 2. Orders processed within 24 48 hours of payment verification. 3. SERVICE TRANSIT TIME is


Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.7 ★★★★★
Based on 520 reviews
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Product Reviews
★★★★★ 4
Good
Size: 89-96158T 2PCS
Good
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 26, 2025
★★★★★ 1
Bad solenoid
Size: 89-96158T 2PCS
One of the cylinders works, and the other cylinder was a bad one. It did not work.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 12, 2025
★★★★★ 4
Metric Hardware
Size: 89-96158T 1PC
Works fine. This has metric hardware, which does not match the other two relays on my vintage mercury outboard. This is not a quicksilver part
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Reviewed in the United States on August 6, 2025
★★★★★ 5
Boat repair
Size: 89-96158T 2PCS
Excellent for price and quality
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Reviewed in the United States on November 1, 2025
★★★★★ 5
Fixed the no boat start
Size: 89-96158T 1PC
Fixed my problem so far working good
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 15, 2025
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