★★★★★ 5
As advertised
Perfect fit in my 2015 F150.
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Reviewed in the United States on February 28, 2026
Mercury 200 / 225 Hp 3.L Optimax Piston Kit .040 STAR - 100-48-07sk, 859444A2
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Mercury 200 / 225 Hp 3.L Optimax Piston Kit .040 STAR - 100-48-07sk, 859444A2ITEM#: 100 48 07SK PISTON KIT MERCURY MARINER 200 225 HP 3L OPTIMAX 98 02 STARBOARD . 040 OVER OEM#: 2720 856938A2, 2720 859446A2 3. 924" BRAND: WSM FITMENTS: Make Model Year(s) Mariner ALL Mercury 6 Cyl 3. 6265 Bore 3L Optimax 200 1998 2002 Mercury 6 Cyl 3. 6265 Bore 3L Optimax 225 1998 2002 DETAILS: ROUND POCKET ON TOP OF PISTON
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Based on 1125 reviews
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Product Reviews
★★★★★ 1
Too restrictive!
If you like air flow do not buy this filter. I put it in my 2020 Super duty and had very little air coming out with the fan as high as it would go. Stopped and bought the standard Microguard from Orielly's. I changed it in the parking lot and Bam!!! back to blowing my hat off!
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Reviewed in the United States on May 5, 2026
★★★★★ 5
Great price
Both filters fit and worked and had a great price.
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Reviewed in the United States on March 15, 2026
★★★★★ 5
Better then oem
Great product quality is definitely a plus had no issues. Been buying these for 3 years.
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Reviewed in the United States on November 19, 2025
★★★★★ 5
Quality filters
Perfect fit, no issues with the installation of these filters.
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Reviewed in the United States on March 8, 2026
