★★★★★ 5
Good
Good
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Reviewed in the United States on April 27, 2026
Mercury 135-200 Hp 2L Bottom Guided Piston Kit - 100-50-04sk .010 STAR 765-7442
Marsoni
M251S
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Friday, May 29
Mercury 135-200 Hp 2L Bottom Guided Piston Kit - 100-50-04sk .010 STAR 765-7442Mercury 135 200 Hp 2L Bottom Guided Piston Kit . 010 OVER SIZE STARBOARD SIDE 3. 135" Fully Machined Hypereutectic Cast Alloy Hard Coat Anodized Piston Tops Resisting Temperatures up to 1560`F T6 Heat Treated Hardness HV280 400 Plasma Moly Coated Rings *Full Floating Wrist Pin Includes Piston, Piston Rings, Set Wrist Pin & Circlips Brand : WSM OEM #: 765 7441A9, 765 7441T36, 765 7441A3, 765 7228A3 ITEM#: 100 50 04PK PISTON KIT MERCURY MARINER 135 200
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4.6 ★★★★★
Based on 2254 reviews
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Product Reviews
★★★★★ 5
Works as it should
Works as it should
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 24, 2026
★★★★★ 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
