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Mercury / Mariner 30 / 40 Hp 2.565" Piston Ring Set 200-05-05 .020 OVERSIZE

Marsoni M251S
Sale price$19.07
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Mercury / Mariner 30 / 40 Hp 2.565" Piston Ring Set 200-05-05 .020 OVERSIZEWSM Outboard Mercury Mariner 30 40 HP Bore Piston Ring Set This ring set meets or exceeds OEM specifications. . 020 OVER SIZE 2. 585" Applications below: OEM #: 39 18653A12, 18653A12 Make Model CC HP Year Mariner Mercury ELHPTO 40 1990 Mercury ELHPTO 40 1991 Mercury ELHPTO 40 1992 Mercury ELHPTO 40 1993 Mercury ELHPTO 40 1994 Mercury ELHPTO 40 1995 Mercury ELHPTO 40 1996 Mercury ELHPTO 40 1997 Mercury ELO 40 1990 Mercury ELO 40 1991 Mercury ELO 40
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Michael Rhodes
Los Angeles, US
★★★★★ 5
Outboard thermostat
Works fine. A little pricey but better to buy the best than risk a cheap failure and destroy your engine like i did once.
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Reviewed in the United States on May 29, 2026
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carlos febus
Los Angeles, US
★★★★★ 5
Good
Good
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Reviewed in the United States on April 27, 2026
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Verified Purchase
Will Rhoden
Los Angeles, US
★★★★★ 5
Works as it should
Works as it should
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Reviewed in the United States on March 24, 2026
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kelly napper
Phoenix, US
★★★★★ 4
Four Stars
Just what I needed
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Reviewed in the United States on October 14, 2016
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Verified Purchase
Paul Schneeman
Los Angeles, US
★★★★★ 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

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