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10 Best boat engine motor flushers of 2026
Save up to 18% off
Best Choice1
Seaworks9.9Exceptional
Seaworks Steel Dual Feed Muff Style Heavy Duty Steel Boat Motor Flusher | Use for Antifreeze Winterization or Common Water Flush | 5/8 Inch Standard Garden Hose Connection
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Value for Money2
Seaworks9.8Exceptional
Seaworks Steel Dual Feed Muff Style Heavy Duty Steel Boat Motor Flusher | Use for Antifreeze Winterization or Common Water Flush | 5/8 Inch Standard Garden Hose Connection
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3
Shoreline Marine9.5Excellent
Shoreline Marine Universal Dual Flow Motor Flusher, with Rectangular Muffs, Easy Installation
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item package dimensions l x w x h: 14.45 x 5.51 x 2.91 inches
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product dimensions: 5D x 3.25W x 14.75H
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recommended uses for product: For Inflatable Boats
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color: Multi
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item weight: 1 Pounds
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4
Better Boat9.4Excellent
Outboard Motor Muffs Dual Flow Water Muffs for Boat Motor, Double Sided Engine Flush Kit with Hose Adapter, Fits Most Outboard and I/O Engines - Better Boat
10% Off-
item package dimensions l x w x h:N/A
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product dimensions: 5.5D x 5.5W x 17H
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recommended uses for product: Maintenance and winterization of outboard motors
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color:N/A
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item weight: 1.72 pounds
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5
SeaSense9.1Excellent
SeaSense Dual Motor Flusher SeaSense Dual Flow Motor Flusher Round,
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See Today’s Deals & Prices
6
Better Boat9.0Excellent
Outboard Motor Muffs Round, Boat Motor Water Muffs Ear Flusher Hose Adapter, Inboard I/O Engine Flush Kit, Winterizing - Better Boat
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7
SEACHOICE8.8Very Good
Seachoice ProFlo Universal Dual Feed Motor Flusher
18% Off
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8
Better Boat8.6Very Good
Wash Sprayer and Boat Engine Flush Kit, Water Hose Mixer for Salt Removal, Boat Flusher for Motor Muffs on Outboards and I/O, Soap Spray Car Cleaning Hose Adapter
13% Off
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9
Threlaco8.5Good
Threlaco 3 Pcs Summer Outboard Motor Flusher, Lower Unit Oil Pump and Fluid Extractor Set Double Sided Boat Ear Muffs Engine Motor Flusher Fluid Pump for Most Marine Outboard Motors(Round)
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10
Gunk8.4Good
Motor Flush 5 Min 32 fl oz (3 Pack)
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is discontinued by manufacturer:No
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product dimensions:9 x 4.3 x 8.9 inches 2 Pounds
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asin:B01G00493M
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date first available:May 8, 2016
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item model number:5824055256
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