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Description
SE216 (Replaces most Mercury 3.0L)SE216 Replaces Most Mercury 3. 0L Lower Units 13 Splines 20, 25, and 30 inch Shafts. If you have an 8 Spline drive shaft you will need to buy the stub shaft unit and purchase an upper driveshaft from an OE dealer. 20" 45 824114A 1 25" 45 823901A 1 30" 45 824115A 1 (This item is no longer available from the OE. You will need to source a used one, or fix your old drive.) If you have a 13 spline two piece shaft just purchase the appropriate one piece
SE216Replaces Most Mercury 3.0L Lower Units
13 Splines
20, 25, and 30 inch Shafts.
If you have an 8 Spline drive shaft you will need to buy the stub shaft unit
and purchase an upper driveshaft from an OE dealer.
20" 45-824114A 1
25" 45-823901A 1
30" 45-824115A 1 (This item is no longer available from the OE. You will need to source a used one, or fix your old drive.)
If you have a 13 spline two piece shaft just purchase the appropriate
one piece shaft from the drop down box above.
The SEI 216 gear cases are supplied with the correct water tube coupling for units with a serial number of OG438000 and higher. If your unit has a lower serial number, you will need to use your old water coupling or purchase the correct part (SEI part number 96-116-12K).
Please scroll down for related items.
If you need application assistance please call 856-432-6014 and have your engine serial number available.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
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
4.4 ★★★★★
Based on 9 reviews
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Product Reviews
★★★★★ 5
Super shoes
Size: 5.5 Big Kid, Color: Black/Black
Very soft and light. Easy to use, fit great on thin feets
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 8, 2025
★★★★★ 5
Me Encantaron !!
Size: 3.5 Big Kid, Color: Black/Black
Muy lindos duraderos de buena calidad y confort 👍
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Reviewed in the United States on May 13, 2026
★★★★★ 5
Good
Size: 5 Big Kid, Color: Black/Black
My child wears it every day and loves it. The quality is decent.
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Reviewed in the United States on February 19, 2026
★★★★★ 5
True to size and good quality
Size: 13 Little Kid, Color: Purple B, Size: 13 Little Kid, Color: Purple B
My daughter loves the colors and says they are comfortable. They are true to size. She has had them a few months and they still look good. My child is very rough on shoes.
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Reviewed in the United States on March 30, 2026
★★★★★ 5
Great shoes for everyday wear and baseball practice
Size: 1 Big Kid, Color: Blue Orange a
So far, my son has really enjoyed these shoes. He wears them every day, and they’ve held up pretty well, even with baseball practice. They seem comfortable for him, and they’ve handled regular use better than expected.
I’m very happy with the quality and durability so far. For everyday wear and active use, these have been a great choice. I’d give them 5 out of 5 stars and would definitely recommend them.
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Reviewed in the United States on May 18, 2026