Skip to content

WSM Piston Kit Mercury 150-225 HP 2.4L 78-'91 PORT .015 OVER 3.390" 100-10-045PK

Marsoni M251S
Sale price$89.98
Pay 4 payments of $22.50 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
WSM Piston Kit Mercury 150-225 HP 2.4L 78-'91 PORT .015 OVER 3.390" 100-10-045PKITEM#: 100 10 045PK PISTON KIT: MERCURY MARINER 175 225 HP 2. 4L 78 91 PORT . 015 OVER OEM#: 766 8666A36, 766 8666A43 3. 390" BRAND: WSM FITMENTS: Make Model Year(s) Mariner ALL Mercury 6 Cyl 3. 375 Bore 2. 4L 175 1981 1982 Mercury 6 Cyl 3. 375 Bore 2. 4L 200 1978 1982 Mercury 6 Cyl 3. 375 Bore 2. 4L 225 1980 1981 Mercury 6 Cyl 3. 375 Chrome Bore 2. 4L 175 1983 1991 Mercury 6 Cyl 3. 375 Chrome Bore 2. 4L 200 1983 1990 NOTE: 3. 390" DETAILS: CAST IRON
Easy Shipping

Quick Dispatch:

Your WSM Piston Kit Mercury 150-225 HP 2.4L 78-'91 PORT .015 OVER 3.390" 100-10-045PK orders ship within 1-2 business days.

Delivery Options:

  • Standard: 3-7 business days
  • Fast: 2-3 business days
  • Express: 1-2 business days

Order Tracking:

You'll receive a tracking link by email once your WSM Piston Kit Mercury 150-225 HP 2.4L 78-'91 PORT .015 OVER 3.390" 100-10-045PK ships.

Need Help?
Questions about WSM Piston Kit Mercury 150-225 HP 2.4L 78-'91 PORT .015 OVER 3.390" 100-10-045PK, sizing, or delivery? We're just an email away.

Live Shipping Estimates:
Enter your location at checkout to see available shipping methods and costs for WSM Piston Kit Mercury 150-225 HP 2.4L 78-'91 PORT .015 OVER 3.390" 100-10-045PK in your area.

Get Shipping Estimates

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
4.5 ★★★★★
Based on 2416 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
A
Verified Purchase
Atlanta
Grantham, US
★★★★★ 5
Cabin air filter
Item Package Quantity: 1
Works great! Easy to install, about 5 minutes or less. Will definitely purchase again and would recommend. Used on Honda CRV.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 23, 2026
M
Verified Purchase
Mike P
Battle Creek, US
★★★★★ 5
It works.
Item Package Quantity: 1
All as shown and performs well. Reasonable price.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 3, 2026
S
Verified Purchase
Sabby
Charlottesville, US
★★★★★ 5
Amazing product
Item Package Quantity: 1
Awesome product , fits perfect for Honda crv sport hybrid touring 2026 . Quality is amazing , looks like the original OEM part .
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 13, 2026
L
Verified Purchase
Lido
Massapequa, US
★★★★★ 5
Easy to install
Easy to install, good quality, perfectly fit, and great price.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 11, 2024
G
Verified Purchase
Gary J
Draper, US
★★★★★ 5
08 CRV filter
Factory look, size and easy install. Good filter material.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 16, 2025

recommand products