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⚓ Flush smarter, not harder — keep your outboard engine pristine with zero hassle!
The Flush-M Outboard Quick Connect Flush Kit is a patented, UV-stable marine flushing solution designed exclusively for Mercury outboard engines ranging from 75 to 500 HP, including V10 models. Crafted from 30% glass-filled nylon with a 316 stainless steel spring, it offers superior durability against saltwater and sun exposure. Featuring a quick connect garden hose adapter, a new cowling gasket seal, and a built-in check valve, this kit simplifies engine maintenance by enabling fast, leak-proof flushing without removing the flush port.



















| ASIN | B0CNS9M8HF |
| Best Sellers Rank | #34,841 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #15 in Boat Engine Motor Flushers |
| Brand Name | Flush-M |
| Color | Mercury Black |
| Customer Reviews | 4.1 4.1 out of 5 stars (78) |
| Date First Available | November 21, 2023 |
| Included Components | Black Hose, Gasket Seal |
| Item Package Dimensions L x W x H | 6.38 x 5 x 1.85 inches |
| Manufacturer | Flush-M |
| Material | 30% Glass filled Nylon |
| Model Name | FM-BLK |
| Number of Items | 1 |
| Package Weight | 0.09 Kilograms |
| Part Number | FM-BLK |
| Suggested Users | unisex-adult |
A**R
Good product.
Works great. Easy to install makes flushing outboards a breeze!
N**S
It WORKS! but.....
dudes.... it's way too expensive for what it is all about. I know that someone had to design it, make prototypes, go to China to ask them to build it, ship it back to CONUS, and then pay for shipping, and then bust us $70+ for it, but you would get that extra 40% in sales of people who were holding back like myself because we balked at the price. and.... it works great for me. LOL.
J**N
worth it
easy install .saves much time and agrivation at dock side
H**L
Expensive their are other brands out their
after a year the hose adapter fitting breaks, then you have to buy another one.according to the manufacturer they new they had a problem and made stronger fitting,but they would not replace mine i had to buy a new one.
C**Á
Funcionan correctamente, la calidad es buena . muy recomendable
A**R
End Goal Accomplished, but some parts don't fit on Mercury V10 models
The quick connect adapter that connects to the flush outlet fits perfectly and does its job. I have the Mercury V10s, and the right angle adapter and hose clamp do not fit. There is no working room to make the right angle cut and adjustment, and the hose clamp included is too small. Would have to use zip ties. End goal of quick connect will still work, but half of the kit is not usable for my engines
J**T
Quick and Easy
This is a huge head ache saver, at least for me….taking off and putting on the old flush valve cap on my Mercury was always a pain. This quick connect was the answer. Not the price is way to high for the plastic parts, but I guess with no stainless competitor out their this is what we will get for now. So they lose one stars for the plastic choice.
C**S
Excellent product, so far.
Works perfectly...took only minutes to install on my seapro 150s. Works like a charm. No more losing rubber grommets everytime you flush.
V**O
Ottimo prodotto. Il motore "pisciava" poco perché il tubo di lavaggio era strozzato. Ora con il connettore a 90 gradi per l'acqua e l'attacco rapido tutto è migliore. Perfettamente adattabile. Mercury 150 Efi 4 tempi
M**D
Came without check valve
M**N
Got a mercury 115hp 2023. The quick connect doesn't fit snugly, keeps coming loose and coming out. More trouble than it's worth.
B**H
Easy to install and now flushing my engines is truly as easy as plugging in the hose and done.
M**C
Great product that saves time and aggravation from pulling the original plug out with pliers each time.
Trustpilot
5 days ago
2 days ago