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Mercury 200-300 HP 3.0L XS Optimax Rebuild Kit 100-51-10, 842986T03 STD 3.625"

Marsoni M251S
Sale price$769.39
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Get it in 3 business days with 1 day shipping. Friday, May 29
Mercury 200-300 HP 3.0L XS Optimax Rebuild Kit 100-51-10, 842986T03 STD 3.625"WSM Mercury 200 300 Hp 3. 0L XS DFI Optimax Rebuild Kit STD size pistons starboard and port 3. 625" 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 This kit meets or exceeds OEM specifications. Includes: Six Brand New High Quality WSM Pistons, rings, pins and clips, complete gasket kit, upper, center and lower
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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.
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4.4 ★★★★★
Based on 1118 reviews
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Verified Purchase
Marcel Chard
Houston, US
★★★★★ 5
Great replacement kit
Color: Black
Water pump kit fits perfectly on my 200hp mercury outboard 2000 model. Excellent quality matching the OEM part I replaced from wear & tear. There where however extra gaskets & O-rings that go nowhere on my outboard
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 1, 2024
A
Verified Purchase
Anastacio Leal Jr
Lexington, US
★★★★★ 5
Johnson 90 sea pro VLSIF
Color: Black
All parts required for proper water pump change were in kit. All parts were grouped and packaged. All made of solid materials sturdy.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 19, 2026
N
Verified Purchase
Nice
Belleville, US
★★★★★ 5
Good
Color: Black
As described
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 17, 2025
O
Verified Purchase
Oscar caballero
San Leandro, US
★★★★★ 5
1995 out board mariner 150hp water pump kit
Color: Black
Well This looks like is a good quality product thanks
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 28, 2024
B
Verified Purchase
Bo
West Palm Beach, US
★★★★★ 5
Value
Color: Black
Quality
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 30, 2025

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