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Ships within 48 hours · Estimated delivery Sep 17 - Sep 22
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Description
SEI Marine SE116 Mercruiser Alpha Gen 2 Outdrive 1.81 (Counter Rotation)OE# 5111200LPShips in two boxes. Counter rotation unit, do not use for standard rotation. Ships in two boxes. Comes with a 9 9 16 new style input yoke. Does not include Complete Install Kit or Anode Kit. Please see related items below. We are generally able to ship the following business day however, during the summer there may be a delay. We will notify you by email of the current ship date. Up to 300 HPUses the latest style speedometer fitting
OE# 5111200LPShips in two boxes.
Counter rotation unit, do not use for standard rotation.
Ships in two boxes. Comes with a 9-9/16 new style input yoke.
Does not include Complete Install Kit or Anode Kit. Please see related items below.
We are generally able to ship the following business day however, during the summer there may be a delay.
We will notify you by email of the current ship date.
Up to 300 HP
Uses the latest style speedometer fitting - OE#860382. This part is not included and will be required to have a working speedometer.
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
4.5 ★★★★★
Based on 19 reviews
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Product Reviews
★★★★★ 5
Hold vest
Color: Red, Size: 3X-Large
Great look & fit !
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Reviewed in the United States on March 1, 2026
★★★★★ 5
Great vest
Color: Dark Grey, Size: X-Large
This lil vest is awesome. A little thicker than I expected but perfect for my cool office. Looks like it cost twice as much. I had my company info put on it and looks like it cost 150.
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Reviewed in the United States on April 16, 2026
★★★★★ 3
fit
Snug fit.
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Reviewed in the United States on April 26, 2025
★★★★★ 5
Ordering one of each color
Color: Dark Grey, Size: X-Large
Good quality for price. Probably the best item i have ever bottom off Amazon and this int a lie. I love this 1/4 zip vest. Works perfect.
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Reviewed in the United States on April 25, 2026
★★★★★ 1
To heavy
Color: Black, Size: X-Large
Vest is heavy and frankly very warm can’t see in what environment I’d wear it because at 40-50 I would use light down coat with sleeves I returned from t same day I reviewed it
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Reviewed in the United States on January 8, 2026