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WSM PISTON KIT MERCURY / MARINER 50 - 150 HP CROSS FLOW '73-'90, 100-15k, 7437A3

Marsoni M251S
Sale price$74.10
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Get it in 3 business days with 1 day shipping. Friday, May 29
WSM PISTON KIT MERCURY / MARINER 50 - 150 HP CROSS FLOW '73-'90, 100-15k, 7437A3WSM Mercury 50 140 Hp Low Dome Carb Models Only Piston Kit 2 ring low dome and will replace 2 or 3 ring low dome and high dome OEM pistons (Kit includes Piston, Rings, Wrist Pin, & Clips This part meets or exceeds OEM Specifications. Sizes Available: Part#: Std. 100 15k . 010 100 15 04k . 020 100 15 05k . 030 100 15 06k . 040 100 15 07k Please Make A Note On Invoice Or Message With Part # and Size. Application Fits: OEM #: 7437A3, 774 8600A3, 774
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
4.2 ★★★★★
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Tracy K
Phoenix, US
★★★★★ 5
Top of the line high quality
Top of the line great filter
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 24, 2026
B
Verified Purchase
Brian J.
Lake Worth, US
★★★★★ 4
Good fit works well, once I figured installation
Does not show air flow direction
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Reviewed in the United States on January 22, 2026
A
Verified Purchase
Amazon Customer
Belleville, US
★★★★★ 5
Good product
Excellent product, fast delivery, good price. I would recommend this company.
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Reviewed in the United States on February 8, 2026
S
Verified Purchase
Stacey O.
Draper, US
★★★★★ 5
Fits Honda clarity
Easy and correct fit for Honda clarity
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Reviewed in the United States on May 26, 2026
J
Verified Purchase
John Ball
Louisville, US
★★★★★ 5
Works Great
I bought this filter for a friend that smokes in the car. Helps reduce the smell a lot. Just make sure it is installed in the right direction.
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Reviewed in the United States on September 20, 2025

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