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Flushmaster Outboard Flushing System - 4 Outlet w/Four 20' Hose Kits [SM-FM4020]

Marsoni M251S
Sale price$343.75
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Flushmaster Outboard Flushing System - 4 Outlet w/Four 20' Hose Kits [SM-FM4020]Outboard Flushing System 4 Outlet with Four 20' Hose Kits The Flushmaster is a portable, marine grade device designed to automate the flushing process for up to four outboard motors. Powered by (3) AA batteries, it ensures thorough engine cleaning by flushing each motor sequentially before automatically shutting off. With its IP67 waterproof certification, the Flushmaster is built to last, offering a convenient and time saving solution for outboard
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4.3 ★★★★★
Based on 900 reviews
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Cliente de Amazon
Massapequa, US
★★★★★ 5
Excelente
Size: (Pack of 1)
Excelente
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 31, 2026
J
Verified Purchase
Juan
Massapequa, US
★★★★★ 5
Nice
Size: (Pack of 1)
Nice
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Reviewed in the United States on May 9, 2026
A
Verified Purchase
Arun Durairaja
West Palm Beach, US
★★★★★ 4
Good filter, Expensive
Size: (Pack of 1)
I like the product very much. It was upto my expectations but little expensive
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 24, 2023
S
Verified Purchase
Side Hug
Los Angeles, US
★★★★★ 5
Solid Price for Quality
Size: (Pack of 1)
Awesome filter, my engine told me it loves the fit and ease of installation. It also it very good value for money as they aren’t expensive and you are getting a high value for the money. My engine also told me it’s getting slightly better fuel efficiency as well.
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Reviewed in the United States on February 22, 2026
K
Verified Purchase
Kerry M.
Alexandria, US
★★★★★ 5
Made well
Size: (Pack of 1)
I just put it in but fits nice, good quality and I expect it to work very good. I watch many YouTube channels with experienced mechanics. Many of them use six products.
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Reviewed in the United States on December 23, 2025

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