Engine Parts & Service - Flush Kits
Marine engine flush kits are designed to help remove salt, sand, silt, and other contaminants from your engine's cooling system, protecting critical components and extending engine life. Engineered for demanding freshwater and saltwater environments, these maintenance solutions make it easy to flush your engine after every outing, helping reduce corrosion, prevent mineral buildup, and maintain efficient cooling system performance. From outboard motor flushers and engine flush muffs to flush ports, quick-connect systems, adapters, and complete flushing kits, these products support routine maintenance for outboard, inboard, and sterndrive engines. Regular engine flushing is one of the most effective ways to protect against saltwater damage, improve reliability, and reduce costly repairs over time.
Featuring premium products from trusted marine manufacturers, our Engine Parts & Service – Flush Kits collection delivers the quality, durability, and performance serious boaters expect. Browse our selection today and let our knowledgeable team help you choose the ideal engine flush kit to keep your vessel performing at its best.
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Sort by:
- Featured
- Most relevant
- Best selling
- Alphabetically, A-Z
- Alphabetically, Z-A
- Price, low to high
- Price, high to low
- Date, old to new
- Date, new to old
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Vendor:Flushmaster
Flushmaster Outboard Flushing System - 4 Outlet w/Four 7' Hose Kits [SM-FM4007]
- $574.99
$0.00- $574.99
- Unit price
- / per
Outboard Flushing System - 4 Outlet with Four 7' Hose KitsThe 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...- $574.99
$0.00- $574.99
- Unit price
- / per
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Vendor:Flushmaster
Flushmaster Outboard Flushing System - 4 Outlet w/Four 5' Hose Kits [SM-FM4005]
- $549.99
$0.00- $549.99
- Unit price
- / per
Outboard Flushing System - 4 Outlet with Four 5' Hose KitsThe 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...- $549.99
$0.00- $549.99
- Unit price
- / per
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Vendor:Flushmaster
Flushmaster Outboard Flushing System - 2 Outlet w/Two 20' Hose Kits [SM-FM2020]
- $437.49
$0.00- $437.49
- Unit price
- / per
Outboard Flushing System - 2 Outlet with Two 20' Hose KitsThe 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...- $437.49
$0.00- $437.49
- Unit price
- / per
-
Vendor:Flushmaster
Flushmaster Outboard Flushing System - 2 Outlet w/Two 7' Hose Kits [SM-FM2007]
- $312.49
$0.00- $312.49
- Unit price
- / per
Outboard Flushing System - 2 Outlet with Two 7' Hose KitsThe 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...- $312.49
$0.00- $312.49
- Unit price
- / per
-
Vendor:Flushmaster
Flushmaster Flush Port Quick Connect f/Honda Outboards [SM-FMQCH]
- $49.99
$0.00- $49.99
- Unit price
- / per
Flush Port Quick Connect for Honda OutboardsStop screwing around. Flush Port Quick Connects for Honda outboards provide a simple, secure solution for efficient engine flushing. Designed as a permanent replacement for the OEM flush port, they ensure leak-free performance and easy installation.Upgrade Your Honda...- $49.99
$0.00- $49.99
- Unit price
- / per
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Vendor:Flushmaster
Flushmaster Flush Port Quick Connect f/Suzuki Outboards [SM-FMQCS]
- $79.99
$0.00- $79.99
- Unit price
- / per
Flush Port Quick Connect for Suzuki OutboardsStop screwing around. Flush Port Quick Connects for Suzuki outboards provide a simple, secure solution for efficient engine flushing. Designed as a permanent replacement for the OEM flush port, they ensure leak-free performance and easy installation.Upgrade Your Suzuki...- $79.99
$0.00- $79.99
- Unit price
- / per
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Vendor:GROCO
GROCO 2" Engine Flush Kit Adaptor [SSC-2000]
- $209.99
$328.00- $209.99
- Unit price
- / per
2" Engine Flush Kit & AdaptorThe ConceptA simple quarter-turn quick-release plug can add safety and flexibility to any water system. Add SSC to the top of any seacock to allow instant emergency bilge pumping, or to simplify winterization and cooling system flushing.In an EmergencyWhile...- $209.99
$328.00- $209.99
- Unit price
- / per
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Vendor:GROCO
GROCO 1-1/2" Engine Flush Kit Adaptor [SSC-1500]
- $178.99
$280.00- $178.99
- Unit price
- / per
1-1/2" Engine Flush Kit & AdaptorThe ConceptA simple quarter-turn quick-release plug can add safety and flexibility to any water system. Add SSC to the top of any seacock to allow instant emergency bilge pumping, or to simplify winterization and cooling system flushing.In an EmergencyWhile...- $178.99
$280.00- $178.99
- Unit price
- / per


![Flushmaster Outboard Flushing System - 4 Outlet w/Four 7' Hose Kits [SM-FM4007]](http://www.dbmarinesupplies.com/cdn/shop/files/108592XL_533x.jpg?v=1745892075)
![Flushmaster Outboard Flushing System - 4 Outlet w/Four 5' Hose Kits [SM-FM4005]](http://www.dbmarinesupplies.com/cdn/shop/files/108591XL_533x.jpg?v=1745892068)
![Flushmaster Outboard Flushing System - 2 Outlet w/Two 20' Hose Kits [SM-FM2020]](http://www.dbmarinesupplies.com/cdn/shop/files/108590XL_533x.jpg?v=1745892061)
![Flushmaster Outboard Flushing System - 2 Outlet w/Two 7' Hose Kits [SM-FM2007]](http://www.dbmarinesupplies.com/cdn/shop/files/108586XL_533x.jpg?v=1745892033)
![Flushmaster Flush Port Quick Connect f/Honda Outboards [SM-FMQCH]](http://www.dbmarinesupplies.com/cdn/shop/files/108584XL_533x.jpg?v=1745892019)
![Flushmaster Flush Port Quick Connect f/Suzuki Outboards [SM-FMQCS]](http://www.dbmarinesupplies.com/cdn/shop/files/108583XL_533x.jpg?v=1745892012)