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SEI Marine Products

SEI Marine Products-Compatible with - SE206 1.87 Gear Ratio 20" Driveshaft

  • Based on 5 reviews
Condition: New
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$1,532.82 Why this price?

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To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.

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Availability: Only 3 left in stock, order soon!
Fulfilled by SEI Marine Products
Arrives Oct 5 – Oct 9
Order within 3 hours and 50 minutes
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Features

  • Our SE206 Lower Unit is a replacement for Mercury 2.0, 2.4, and 2.5 Liter V6 Engines.
  • SE206 Lower Units are not designed to replace Sport Master, Torque Master, CLE or other high performance gearcases.
  • The SE206 Lower Units have a 4 3/4" bullet diameter.

Description

All of our lower units come with a three year fault-free warranty. They are manufactured in Oldsmar, FL, built up to OEM specifications and they are an affordable, high quality alternative.

Brand: SEI Marine Products


Item Weight: 50 pounds


Color: PHANTOM BLACK


Engine Type: Electric


Recommended Uses For Product: For Salt Water


Engine Type: Electric


Mounting Type: Engine Mount


Fuel Type: Gasoline


Fuel Capacity: 2.5 liters


Item Weight: 50 pounds


Color: PHANTOM BLACK


Brand Name: SEI Marine Products


Recommended Uses For Product: For Salt Water


Manufacturer: SEI MARINE PRODUCTS


OEM Equivalent Part Number: 1647-9148T48


Manufacturer Part Number: 90-206-A20


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Oct 5 – Oct 9

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • Zip Pay in 4
  • Financing through Apple Pay
  • Financing through Google Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

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Top Amazon Reviews

    • This is a short shaft unit. Not long shaft.
Purchased this unit in 2018 still runing strong in 2025. I have put 4 impeller pumps in since 2018. I changed lower unit oil every 2 yrs. We'll worth money! Would recommend.
Reviewed in the United States on July 20, 2025 by Javier
    • Only fits two stroke engine
Only fits two stroke engines
Reviewed in the United States on April 7, 2024 by Amazon Customer
    • It's not always about the product.
The part did not fit, but the return Policy was. Excellent.
Reviewed in the United States on June 13, 2025 by Neil Brown
    • Great fit.
Worked great with a great price.
Reviewed in the United States on November 27, 2018 by Amazon Customer

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