420664031 Sea doo knock sensor

Marsoni

M251S

$190.00

Get it in 3 business days with 1 day shipping. Friday, May 29

420664031 Sea doo knock sensorCompatible models Sea Doo 2011 GTI SE 130, 2011 Sea Doo 2011 GTI SE 155, 2011 Sea Doo 2011 GTI LTD 155, 2011 Sea Doo 2011 GTS 130 & Rental 99, 2011 Sea Doo 2011 GTX iS 215, 2011 Sea Doo 2011 GTX 155, 2011 Sea Doo 2011 GTX 215, 2011 Sea Doo 2011 RXT aS X & aS XRS 260, 2011 Sea Doo 2011 RXT 260 & RS, 2011 Sea Doo 2011 RXT X 260 & RS, 2011 Sea Doo 2011 WAKE 155, 2011 Sea Doo 2012 GTI SE 130, 2012 (24CS, 24CR) Sea Doo 2012 GTI SE 155, 2012 (30CS) Sea Doo

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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.
To process your return/exchange, please contact us at [email protected]
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Been going through these for about two years now across multiple replacements and they perform just as well as the official Eufy parts. Main brush, side brushes, filters, dust bags, mop — all fit correctly and do the job without any issues. Honestly if you’ve got a Eufy Omni S1 Pro, just buy these instead. No reason to pay extra for the official kit when these hold up just as well over time. No complaints

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Reviewed in the United States on March 22, 2026

Verified Purchase

Tytan Olmstead

Battle Creek, US

★★★★★ 5

Amazing replacement parts

Color: Omni S1 Pro 17P

Works just like original parts, and fits my s1 perfectly. Mops are super easy to change and clean

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Reviewed in the United States on November 21, 2025

Verified Purchase