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Quantity
1
Description
The Aftermarket Quick Flushing Solution For Mercury® Outboard Engines
The Original Patented Flush-M™ for Mercury® is specifically designed to permanently replace the OEM flush plug on late model Four Stroke Mercury® Outboard Engines. Its uni...
Reviews
4.7
50 ratings
5
4
3
2
1
Works as it should
Super convenient, easy to install. It just works, snap on and flush. No more fighting with screwing/unscrewing.
J
Jason · May 1, 2026
Super easy!
Made the task a breeze! Great small investment in helping to make boating more pleasurable! Highly recommend it!
C
Charles · April 9, 2026
Best upgrade to my Mercury Outboard
Super easy to install works like a charm I am so happy I spent the money to do this. If you’re on the fence about it get it you won’t be disappointed.