★★★★★ 5
Great product
Great product
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Reviewed in the United States on December 30, 2025
WSM Honda 400 TRX-EX 1999-2014 Piston Kit 50-228-04K .25mm SIZE OE 13101-KCY-670
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
WSM Honda 400 TRX-EX 1999-2014 Piston Kit 50-228-04K .25mm SIZE OE 13101-KCY-670Honda 400 TRX EX 1999 2014 Piston Kit . 25mm OVER SIZE ONLY 85. 25MM Brand : WSM OEM #: 13101 KCY 670 Make Model CC HP Year Honda TRX EX 400 1999 Honda TRX EX 400 2000 Honda TRX EX 400 2001 Honda TRX EX 400 2002 Honda TRX EX 400 2003 Honda TRX EX 400 2004 Honda TRX EX 400 2005 Honda TRX EX 400 2006 Honda TRX EX 400 2007 Honda TRX EX 400 2008 Honda TRX EX 400 2009 2014 For more information on our policies please click the Shipping and Payments tab or
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4.4 ★★★★★
Based on 2135 reviews
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Product Reviews
★★★★★ 5
Fit Mercury 150 saltwater 2 stroke great!
These fit my Mercury 150 perfect. Took it out for a test run and engine ran great with no overheating issues.
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Reviewed in the United States on August 26, 2025
★★★★★ 5
Work’s okay
They work ok, as expected
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Reviewed in the United States on August 26, 2025
★★★★★ 5
Just as good as OEM
Exactly what I expected...
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Reviewed in the United States on August 9, 2025
★★★★★ 5
Fit perfectly
Truly impressive, bought these and a set from a us boat supplier a thermostat made in the USA . They came with the gasket separate . I could not figure out how to put it together . I used these in my mercury optimax 135 hp . They fit perfectly and appear to be working great at a quarter the cost .
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Reviewed in the United States on August 29, 2024
