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WSM Lower Unit Seal Kit Yamaha 40 / 50 Hp - 446-140, 18-2792, 6H4-W0001-20-00

Marsoni M251S
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WSM Lower Unit Seal Kit Yamaha 40 / 50 Hp - 446-140, 18-2792, 6H4-W0001-20-00Item#: 446 140 Lower Unit Seal Kit Yamaha 40 50 Hp OEM#: 18 2792, 6H4 W0001 20 00, 6H4 W0001 C0 00 Brand: WSM FITMENTS: Make Model Year(s) Yamaha 3 Cyl 2. 638 Bore 40 1984 1994 Yamaha 3 Cyl 2. 638 Bore 50 1984 1994
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4.2 ★★★★★
Based on 211 reviews
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Verified Purchase
Emily
Charlottesville, US
★★★★★ 4
Cool not cold
Color: Light Gray, Size: Queen
Super silky like material. Comfy and fits pillow perfectly. Wish it could be a more cold then cool.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 1, 2026
C
Verified Purchase
Cat Flo
Battle Creek, US
★★★★★ 3
It’s ok could be cooler
Color: Light Gray, Size: Queen
Decent — could be cooler. They’re a nice color and texture. It fit my pillows well no annoying zippers it’s nice to sleep on and stay in place.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 8, 2026
K
Verified Purchase
kenneth e tompor
San Leandro, US
★★★★★ 5
Comfort
Color: Champagne, Size: Queen
What a lifesaver, great feel, and awesome cooling feel
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 2, 2026
A
Verified Purchase
Andrew
Belleville, US
★★★★★ 5
Cool bedding
Color: Champagne, Size: Queen
As advertised nice and soft. But most of all cool. It really stays cool, especially on warm nights. A.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 26, 2026
S
Verified Purchase
2021 self improvement challenge
Fort Morgan, US
★★★★★ 5
Actually cooling and comfortable.
Color: Royal Blue, Size: King
Incredible cases. Soft, super comfortable and actually cooling as claimed. Highly recommended. Love these!
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Reviewed in the United States on May 18, 2026

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