★★★★★ 5
Fit Great. Works great.
Fit perfectly Mercruiser 4.3
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Reviewed in the United States on March 22, 2026
Rod/Piston U-Seal (A) 22mm x 40mm x 10mm - Polyurethane
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Rod/Piston U-Seal (A) 22mm x 40mm x 10mm - PolyurethaneProduct Details : Rod Piston U Seal (A) 22mm x 40mm x 10mm Polyurethane Part No: RP022040100A Product Category: Symmetrical Seals Product Type: Rod Piston U Seal Profile: A Material(s): Polyurethane Material Code: AU Durometer: 93A Temperature Range: 40F to +212F ( 40C to +100C) Pressure Range: 5800 PSI ( 400 Bar) Surface Speed: < 1. 6 ft s (0. 5 m s) System Of Measurement: Metric Dimensions: 22mm x 40mm x 10mm Nominal I. D. (d): 22mm Nominal O. D.
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- Express: 1-2 business days
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Exchange/Return Notes
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Based on 1859 reviews
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Product Reviews
★★★★★ 5
Boat once again starts
Easy install once I figured out how to reach the starter. Worked first try and my boat is starting again. I think being a contortionist would help with the install since it is under the engine and boats typically only have access from the top. It probably took me an hour to get the old one off and about 30 min to install the new.
The symptom of the broken one was a click sound when trying to start the motor, but nothing turning over. Same sound with new. Battery or a jumper.
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Reviewed in the United States on October 10, 2025
★★★★★ 5
Exactly what I needed
I didn't know my current starter was getting that bad over the years. But this is perfect, shipped on time, matched perfectly, boat started like it's never ran prior. I have owned this boat for 13 years. Very pleased
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Reviewed in the United States on May 26, 2026
★★★★★ 5
Great starter for the best price
Great price and same exact part as the ones twice the price.
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Reviewed in the United States on September 30, 2025
★★★★★ 5
Water impeller Johnson
Size: 85-300 HP
Worked perfect for my 1988 Johnson 88 spl
already been on the water, no issues.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 15, 2026
