★★★★★ 5
Works as it should
Works as it should
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 24, 2026
WSM Mercury Hi-performance Air Horn Intake Gasket 510-46, 27-99316, 27-99316 1
Marsoni
M251S
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Friday, May 29
WSM Mercury Hi-performance Air Horn Intake Gasket 510-46, 27-99316, 27-99316 1ITEM#: 510 46 GASKET, INTAKE MERCURY 200 300 HP HIGH PERFORMANCE OEM#: 27 99316, 27 99316 1, 27 99316 2, 27 99316 3 BRAND: WSM FITMENTS: Make Model Year(s) Mercury ALL Mercury 6 Cyl 3. 501 Bore 2. 5L EFI 200 1991 1999 Mercury 6 Cyl S3000 Race 300 1996 2004 For more information on our policies please click the Shipping and Payments tab or to ask a question click our store name for our home page.
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★★★★★ 4
Four Stars
Just what I needed
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Reviewed in the United States on October 14, 2016
★★★★★ 5
Functioned as advertized.
Installed these in my Whalers 96 200 Offshore. No issues, used permatex gasket compound on aluminum engine parts after cleaning with fine brass wire wheel.
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Reviewed in the United States on November 20, 2024
★★★★★ 5
Fits 1988 Sea Ray V-135 2 stroke (Mercury)
For those of you with the 135 hp
mercury that was branded as the "Sea Ray 135" and paint matched to the boat (i.e. Seville's and some others) this is the 147 degree thermostat for that motor. My Seville is an '88 and It's difficult to cross reference the serial numbers on those motors when searching for parts. Only buy Quicksilver parts for these motors. Happy to find them on Amazon because Boats.net as an example, is not clear on what you're getting.
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Reviewed in the United States on August 3, 2024
★★★★★ 5
fixed issue
stopped the overheat issue on my outboard!!!
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Reviewed in the United States on August 6, 2025
