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WSM Mercury 115-150 Hp 2.5L Optimax Powerhead Rebuild Kit 100-28-10, 858790Y2

Marsoni M251S
Sale price$648.84
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WSM Mercury 115-150 Hp 2.5L Optimax Powerhead Rebuild Kit 100-28-10, 858790Y2WSM Mercury 115 150 Hp 2. 5L Optimax Power Head Rebuild Kit O ringed Head Use with 644 rods This kit meets or exceeds OEM specifications Kit includes everything you need to re build your outboard engine 6 Brand New High Quality WSM Pistons, 6 rings, pins and clips, complete gasket kit, upper, lower and center main crank bearings, 6 upper and lower connecting rod bearings and 12 rod bolts Piston Bore 3. 501" Piston OE # 858789A4, 858789T2, 858790A4,
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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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4.2 ★★★★★
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C
Verified Purchase
Charles R Gunther
Charlottesville, US
★★★★★ 5
Direct replacement
Direct replacement for a failed solenoid on my Larson boat. Easy to install and works as it should.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 3, 2022
O
Verified Purchase
osborne
Draper, US
★★★★★ 3
Working
Hard to find work great
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Reviewed in the United States on May 14, 2026
J
Verified Purchase
Jon
Omaha, US
★★★★★ 4
Did its job
Got me back onto the water. The mounting holes distances from center to center are less than original equipment. But in a pinch they will do the job.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 29, 2024
T
Verified Purchase
TS
Natrona Heights, US
★★★★★ 1
Missing the xomolete backside with bracket
Item had great reviews Came in and upon opening i noticed the whole backside was missing like it was never assembled properly and the missing part was not in bag Disappointed with whole thing Returned and ordered a oen Scared if this poorly made i dis not want kt leaving me on the water
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Reviewed in the United States on July 26, 2024
C
Verified Purchase
Charity young
Los Angeles, US
★★★★★ 5
for my minn kota trolling motor 70lb thrust
Size: 6 AWG - 25 Foot, Style: With Terminal Connectors
used these to run a plug in outlet for my minn kota trolling motor 70lb thrust worked great
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 11, 2026

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