WSM ENGINE COUPLER MERCRUISER 4 - Triangle Style- 337-420, 18643A5

WSM ENGINE COUPLER MERCRUISER 4 - Triangle Style- 337-420, 18643A5

Marsoni

M251S

$156.49

Get it in 3 business days with 1 day shipping. Friday, May 29

WSM ENGINE COUPLER MERCRUISER 4 - Triangle Style- 337-420, 18643A5ITEM#: 337 420ENGINE COUPLERMERCRUISER 4 8 CYLINDEROEM#: 18643A5 Flex plate style for late models, small crankshaft bolt pattern style engine BRAND: WSM FITMENTS: Make Model Year(s) Mercruiser ALL NOTE: TRIANGLE STYLE

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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.
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If I could give this review, zero stars, I definitely would. I am extremely unhappy with the whole experience I’ve had with the seller, which is woot. They have no experience in selling products. They attach fake serial numbers on items that they shipped to you and when you tell them, you have a problem they are of no assistance. I am extremely infuriated with the quality of this product. I spent a lump sum amount of money on this now piece of junk. Oh, and to add my house almost caught on fire because the product overheated. I do not recommend anybody buy from the seller. The functionality is terrible. I am going to spread the word to everybody about my experience.

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Reviewed in the United States on October 16, 2025