10 Best Outboard Marine Engines In The Us - Black Friday 2024
Best Choice1
Sierra14% OffSierra International 35-SS630 Marine-Grade Stainless Steel Panther Safe-Skeg for Select Suzuki, OMC and Evinrude/Johnson Outboard Marine Engines
Main highlights- Material Thickness: 1.5mm (50% Thicker than the Competition)
- Kit Includes: Safe-Skeg, Mounting Hardware, Instructions, Allen Wrench and Loctite 262
- For: Select Suzuki, OMC and Evinrude/Johnson Marine Engines. See Product Description below for full application information.
- Fit type: Universal Fit
- Contains a Drain Hole to Protect Against Corrosion and Freeze-Up
- Brilliantly Polished with a Seamless Design
- All Sierra parts qualify for and are covered under Sierra's Industry Leading Customer Satisfaction Warranty
9.8Exceptional
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Value for Money2
Seaworks18% OffBoat Winterizer Gravity Motor Cleaner with Flusher Kit - Gravity Flow System DIY Winter Preparation Solution for Marine Engines - For Inboard and Outboard Engines
Main highlights- Seaworks Boat Winterizer flow system flushes, prepares and protects your boat engine for winter storage. Compatible for inboard and outboard engines. Flusher included with kit.
- Kit includes: antifreeze tank with on/off valve, T-Connector, shutoff valve, braided hose with fittings, flusher.
- For front engine mounted raw water pumps (including most Volvos and inboards) a Front Engine Pump adapter (not included) is needed to connect directly to the suction side of the raw water pump. Do not attempt to to connect directly to the suction side of the raw water pump. Do not attempt to winterize a front engine mounted raw water pump system using this method.
- Fittings designed for uninterrupted antifreeze flow to your engines, cleans impurities and enhances engine performance. Use at regular intervals to improve engine life expectancy.
- Antifreeze(not included) and flusher (included) required to operate kit, 5-gallons of compatible antifreeze required for boat winterization. Do not use an antifreeze with a burst protection level of less than -50°F.
9.6Exceptional
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3
Quicksilver20% OffQuicksilver by Mercury Marine 25W-40 Marine Engine Oil, 1 Gallon
Main highlights- Special viscosity modifiers help to optimize the performance of high-rpm 4-stroke outboard motors
- Produced to meet Mercury Marine original equipment manufacturer specifications to best protect your outboard
- Manufacturer part number 8M0078620
- Formulated to provide superior corrosion resistance and wear protection to maintain peak engine performance and reliability
- Direct replacement for Mercury Marine 8M0078628
- Designed for use in 4-stroke marine engines
- 25W-40 viscosity
9.5Excellent
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4
Quicksilver32% OffQuicksilver 10W-30 Marine Engine Oil - 1 Gallon
Main highlights- Offers outstanding shear strength, viscosity retention and corrosion resistance
- Manufacturer part number 8M0078617
- Formulated to protect marine engines against corrosion and excessive wear
- Designed for use with all 4-stroke marine outboard motors and inboard and sterndrive engines
- 10W-30 viscosity
9.4Excellent
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5
STA-BIL16% OffSTA-BIL (22001) Fogging Oil - Stops Corrosion In Stored Engines - Lubricates And Protects Cylinders - Coats Internal Engine Components - For All 2 and 4 Cycle Engines, 12 oz.
9.9 worth the money9.9 Simple to use9.7 sweat controlWhy we love it
Prevents engine corrosion and extends engine life.
Easy to use for all gasoline engines.
Effective moisture displacement protects engine components.
9.3Excellent
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6
Quicksilver29% OffQuicksilver 858027Q01 Premium Plus 2-Cycle Outboard Oil, 1 Gallon
Why we love it
Superior lubrication for peak engine performance.
Prevents corrosion in key engine areas.
Less smoke compared to other oils.
9.2Excellent
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7
Better BoatBoat Motor Muffs Outboard Motor Muffs and Inboard I/O Ear Flusher Motor Flush Warmer Parts Hose Adapter Boat Muffs Outboard Engine Flush Marine Use Kit Boat Accessories Winterizing Flushing & Warming
Main highlights- [ STRONGER 2024 EDITION ] Our premium boat muffs outboard as well as I/Os are constructed with rubber, flexible water lines and water tight seals to test, cool, winterize, warm and idle your engine before using or as part of a winterizing kit.
- WHY CHOOSE BETTER BOAT PRODUCTS: We are a family owned American business committed to making premium quality products and our customers happiness. We stand behind the quality of our products and will provide you with the best customer service.
- UNIVERSAL FIT: Our outboard motor muffs offer rotating ears and a U channel measuring 10.5" to rotate and adapt to almost any outboard motor and Inboard/Outboard I/O engines. Large ear muffs to flush away engine dirt while allowing easy flushing.
- STANDARD INSTALL: Our boat ear muffs outboard use connects to a standard hose with an included optional quick connect male adapter end and rubber washer. No tools needed and use with our without additional marine salt flush kit boat parts.
- DOUBLE SIDED: Increased water supply from two sides offers superior intake compared to old single sided boat motor muffs. The flexible water tight boat muffs measure 3 1/4" by 5" and bend to allow the flusher to snuggly pinch your intakes.
9.1Excellent
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8
Redneck ConventRedneck Convent Dual Water Feed Boat Motor Flusher Rectangular Cup Muffs with Hose Fittings Flush Kit – Marine Outboard Engine Flushing
Main highlights- ULTIMATE DUAL FEED FLUSHER: Use the Redneck Convent Dual Water Feed Boat Motor Flusher Rectangular Cup Muffs with Hose Fittings Flush Kit – Marine Outboard Engine Flushing to obliterate salt and mineral build up along with other contaminants from your outboard boat engine’s lower unit cooling system when hooked up to a garden hose; Effective way to flush engine with fresh water to prevent clogging and corrosion and allow for engine adjustments
- NO LEAKAGE: Inferior round cups do not always fit correctly over intake ports, but these rectangular cups are easy to put on, clamp very tightly, and provide maximum water flow in both intakes while allowing for zero leakage once you start the engine; Cup dimensions 5 inches x 3.25 inches and 1.25 inches deep (12.7cm x 8.3cm x 3.2cm); Black coated steel frame for quick and secure connection
- FITS YOUR BOAT: Compatible with most Johnson/Evinrude, Mercury, Yamaha, Chrysler, Force, Honda, Nissan, Suzuki, and Tohatsu outdrives; As long as your boat includes side water inlet ports, this flusher is for you; Rotate muff ears to fit and seal over the water pick-ups on the lower unit (cups swivel to be positioned horizontally or vertically for a multitude of ways to put it on)
- EASY INSTALLATION: Requires no tools for installation or removal; Simply slide the flusher muff cups over the top of the water intake slots on your boat and connect your garden hose to one of the included quick connect fittings to run motor out of the water or use to winterize motor; Never turn water supply to full force or damage to drive may occur
- CONTENTS: Package includes (1) dual feed flusher and (2) quick connect style hose fittings that easily attach to your standard garden hose (hose not included)
8.8Very Good
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9
PennzoilPennzoil Marine Premium Plus 2-Cycle Synthetic Blend Engine Oil, 1 Gallon
Main highlights- Specially designed synthetic blend oil for exceptional performance in marine applications
- Meets or exceeds the most stringent engine manufacturer warranties, including Johnson/Evinrude/OMC, Mercury, Mariner, Yamaha, Sears, Suzuki, Nissan, Force/US Marine, and others
- Helps protect against piston scuffing and ring sticking, plus combustion chamber deposits, rust, and corrosion
- Formulated with an extra level of performance additives to protect outboard engines under the most severe operating conditions
- For a full list of equipment approvals and recommendations, please consult your local Shell Technical Help Desk and always consult your owner’s manual
- Certified as an approved NMMA TC-W3 lubricant
- Ashless components that help prevent any lubricant-related preignition and spark plug fouling
- Anti-gel properties help resist gel formation due to water or other contamination
8.7Very Good
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10
Better Boat24% OffBoat Winterizing Kit or RV Winterizing Kit for Antifreeze 5 Gallon Tank with Hose and Adapters to Winterize Flushing Boat Engine Outboard Motor Flush Marine Winterization or RV and Camper Winterizer
Main highlights- WHY CHOOSE BETTER BOAT PRODUCTS: We are a family-owned American business committed to making premium quality boat parts, products, and accessories. We stand behind the quality of our boating accessories.
- IMPROVES ENGINE PERFORMANCE: The high-flow fittings ensure uninterrupted antifreeze flow, effectively cleaning impurities and enhancing overall engine performance, leading to a more reliable operation. Don't connect to suction of raw water pump.
- EXTENDS ENGINE LIFE: Our winterizing kit uses a high-quality gravity flow system to flush, prepare, and protect your boat's engine, significantly extending its life expectancy while saving you time and money on maintenance.
- EASY TO USE: The kit includes a 5 Gallon antifreeze tank with an on/off valve, a T-connector, shutoff valve, and a reinforced clear hose with fittings, making the winterizing process straightforward for both inboard and outboard engines.
- COMPATIBLE AND CONVENIENT: Designed for use with most inboard and outboard engines. Simply requires separate antifreeze, motor muffs or pump adapter (sold separately). Perfect for boaters looking to safeguard their investment during the off-season.
8.6Very Good
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