Cart   null      null
Track Orders
Customer Service
My Account
Logo linked to Defender Homepage
 Call or email to speak with our in-house knowledgeable staff.
Phone: 800-628-8225 | Int'l.: 860-701-3400 | Email: Contact Us

Gasoline Treatments
Home > Boats and Motors > Outboard Parts & Accessories > Fuel Additives & Engine Treatments
 
 
Defender Seal
Currently displaying all 15 products in this category.  
null  Sort by Brand   null Sort by Title null Sort by Price 
HONDA
  • Honda Marine Fuel Stabilizer & Corrosion Inhibitor for Ethanol Gasoline Honda Marine Fuel Stabilizer & Corrosion Inhibitor for Ethanol Gasoline
    Honda Marine Fuel Stabilizer & Corrosion Inhibitor for Ethanol Gasoline
  Brand:
HONDA
Honda Marine Fuel Stabilizer & Corrosion Inhibitor for Ethanol Gasoline
  • Genuine Sta-Bil® Formula Prevents Gasoline-Related Problems
  • Prevents Rust, Freezing or Gelling of Fuel, Equipment Stays Ready-to-Use
  • Size: 8 Ounce Bottle, Treats Up to 80 Gallons of Gasoline
    • Model #: 08732-0008M
    Item #: 301423

    nullThis product ships ground
    		  Features:
    • Genuine Sta-Bil® formula prevents gasoline-related problems during periods of extended storage
    • Prevents rust, freezing or gelling of fuel
    ... more...
    $6.99
    Our Price: $6.99
    301423 Honda Marine Fuel Stabilizer & Corrosion Inhibitor for Ethanol Gasoline icon HONDA 087320008M Features:
    • Genuine Sta-Bil® formula prevents gasoline-related problems during periods of extended storage
    • Prevents rust, freezing or gelling of fuel

    BRP
    • BRP 2+4 Gasoline Fuel Conditioner And Stabilizer - 8 Oz. BRP 2+4 Gasoline Fuel Conditioner And Stabilizer - 8 Oz.
      BRP 2+4 Gasoline Fuel Conditioner And Stabilizer - 8 Oz.
      Brand:
    BRP
    BRP 2+4 Gasoline Fuel Conditioner And Stabilizer - 8 Oz.
  • Applications 2 Stroke and 4 Stroke Gasoline Engines
  • Function: Stabilizes Fuel, Inhibits Corrosion and Absorbs Moisture
  • Size: 8 Ounce Bottle, Treats Up to 40 Gallons of Gasoline
    • Model #: 766216
    Item #: 303060

    nullThis product ships ground
    		  Features:
    •BPR's 2 Plus 4 Ethanol Protection Formula has been specifically re-formulated to be used with today's Ethanol blended fuels •BPR 2+4 provides outstanding protection during... more...
    $8.99
    List Price: $9.69
    Our Price: $8.99
    303060 BRP 2+4 Gasoline Fuel Conditioner And Stabilizer - 8 Oz. icon BRP 766216 Features:
    •BPR's 2 Plus 4 Ethanol Protection Formula has been specifically re-formulated to be used with today's Ethanol blended fuels •BPR 2+4 provides outstanding protection during

    Sta-Bil
    • Sta-Bil 360 Marine Formula Ethanol Gasoline Treatment Sta-Bil 360 Marine Formula Ethanol Gasoline Treatment
      Sta-Bil 360 Marine Formula Ethanol Gasoline Treatment
     

    Brand:
    Sta-Bil
    Sta-Bil 360 Marine Formula Ethanol Gasoline Treatment
    • Sta-Bil 360 Marine Formula Ethanol Gasoline Treatment Sta-Bil 360 Marine Formula Ethanol Gasoline Treatment
      Sta-Bil 360 Marine Formula Ethanol Gasoline Treatment
    • Sta-Bil 360 Marine Formula Ethanol Gasoline Treatment Sta-Bil 360 Marine Formula Ethanol Gasoline Treatment
      Sta-Bil 360 Marine Formula Ethanol Gasoline Treatment

  • Function: Prevents Corrosion, Fuel System Cleaner
  • Use In Gasoline, Gasoline/Oil Mixtures and Ethanol Blends
  • Select Container Size, (1) Ounce Treats 8 Gallons of Gasoline
    • Model #: Multiple Sizes Available
    Item #: 302109

    nullThis product ships ground
    		  Features:
    •STA-BIL 360 Marine Performance is the only fuel treatment to emit a revolutionary vapor technology that rises above the fuel line to protect your engine where others before... more...
    $9.99
    Our Price: From $9.99 To $23.99
    302109 Sta-Bil 360 Marine Formula Ethanol Gasoline Treatment icon Sta-Bil Multiple Sizes Available Features:
    •STA-BIL 360 Marine Performance is the only fuel treatment to emit a revolutionary vapor technology that rises above the fuel line to protect your engine where others before

    Sta-Bil
    • Sta-Bil Gasoline Fuel Stabilizer Sta-Bil Gasoline Fuel Stabilizer
      Sta-Bil Gasoline Fuel Stabilizer
      Brand:
    Sta-Bil
    Sta-Bil Gasoline Fuel Stabilizer

  • Function: Stabilizes Fuel, Removes Water, Prevents Corrosion, Cleans Carbs
  • Applications: All 2-Cycle and 4-Cycle Gasoline Engines
  • Select Container Size, 10 Ounces Treats 25 Gallons of Gasoline
    • Model #: Multiple Sizes Available
    Item #: 302110

    nullThis product ships ground
    		  Features:
    •STA-BIL Storage Fuel Stabilizer keeps fuel fresh for quick easy starts after storage
    •It removes water to prevent corrosion and cleanses carburetors and fuel... more...
    $6.99
    Our Price: From $6.99 To $15.99
    302110 Sta-Bil Gasoline Fuel Stabilizer icon Sta-Bil Multiple Sizes Available Features:
    •STA-BIL Storage Fuel Stabilizer keeps fuel fresh for quick easy starts after storage
    •It removes water to prevent corrosion and cleanses carburetors and fuel

    Star brite
    • Star brite EZ Store EZ Start Gas Storage Additive Star brite EZ Store EZ Start Gas Storage Additive
      Star brite EZ Store EZ Start Gas Storage Additive
     

    Brand:
    Star brite
    Star brite EZ Store EZ Start Gas Storage Additive
    • Star brite EZ Store EZ Start Gas Storage Additive Star brite EZ Store EZ Start Gas Storage Additive
      Star brite EZ Store EZ Start Gas Storage Additive
    • Star brite EZ Store EZ Start Gas Storage Additive Star brite EZ Store EZ Start Gas Storage Additive
      Star brite EZ Store EZ Start Gas Storage Additive
    • Star brite EZ Store EZ Start Gas Storage Additive Star brite EZ Store EZ Start Gas Storage Additive
      Star brite EZ Store EZ Start Gas Storage Additive

  • Function: Protects Gasoline Fuel and Engine Components During Winter Storage
  • Stabilizes Fuel and Fogs in One Step, The Ultimate Winter Protection
  • Select Container Size, (1) Ounce Treats 5 Gallons of Gasoline
    • Model #: Multiple Sizes Available
    Item #: 302114

    nullThis product ships ground
    		  Features:
    •Star brite EZ Store EZ Start Gas Storage Additive is a revolutionary development in fuel stabilizers
    • The only storage additive that stabilizes and fogs in one... more...
    $7.99
    Our Price: From $7.99 To $14.99
    302114 Star brite EZ Store EZ Start Gas Storage Additive icon Star brite Multiple Sizes Available Features:
    •Star brite EZ Store EZ Start Gas Storage Additive is a revolutionary development in fuel stabilizers
    • The only storage additive that stabilizes and fogs in one

    Star brite
    • Star brite Star Tron Enzyme Fuel Treatment for Gasoline Star brite Star Tron Enzyme Fuel Treatment for Gasoline
      Star brite Star Tron Enzyme Fuel Treatment for Gasoline
     

    Brand:
    Star brite
    Star brite Star Tron Enzyme Fuel Treatment for Gasoline
    • Star brite Star Tron Enzyme Fuel Treatment for Gasoline Star brite Star Tron Enzyme Fuel Treatment for Gasoline
      Star brite Star Tron Enzyme Fuel Treatment for Gasoline
    • Star brite Star Tron Enzyme Fuel Treatment for Gasoline Star brite Star Tron Enzyme Fuel Treatment for Gasoline
      Star brite Star Tron Enzyme Fuel Treatment for Gasoline
    • Star brite Star Tron Enzyme Fuel Treatment for Gasoline Star brite Star Tron Enzyme Fuel Treatment for Gasoline
      Star brite Star Tron Enzyme Fuel Treatment for Gasoline
  • Function: Combats Fuel Problems from E-10 Gasoline
  • Disperses Water Derived from Normal Condensation, Stabilizes Fuel
  • Select Container Size, (1) Ounce Treats 16 Gallons of Gasoline
    • Model #: Multiple Sizes Available
    Item #: 302121
    		  
    rebate$5 rebate on select Star brite cleaning / maintenance products. Limit 1 rebate per item per household. Please see rebate form for additional information. Offer valid 3/26/2020 thru 1/31/2021.
    $9.99
    Our Price: From $9.99 To $24.99
    302121 Star brite Star Tron Enzyme Fuel Treatment for Gasoline icon Star brite Multiple Sizes Available

    Star brite
    • Star brite Star Tron Fuel System & Injector Cleaner Star brite Star Tron Fuel System & Injector Cleaner
      Star brite Star Tron Fuel System & Injector Cleaner
      Brand:
    Star brite
    Star brite Star Tron Fuel System & Injector Cleaner
  • Function: Removes Toughest Performance Robbing Deposits
  • Cleans Carburetors, Fuel Injectors Pumps, Valves and Rings
  • Container: 4 ounces (Treats 40 gallons)
    • Model #: 96604
    Item #: 756709
    		   Star Tron® Fuel System & Injector Cleaner is engineered to quickly remove even the toughest performance-robbing deposits from carburetors, fuel injectors pumps, valves or rings that can... more...
    $5.99
    Our Price: $5.99
    756709 Star brite Star Tron Fuel System & Injector Cleaner icon Star brite 96604 Star Tron® Fuel System & Injector Cleaner is engineered to quickly remove even the toughest performance-robbing deposits from carburetors, fuel injectors pumps, valves or rings that can

    LIQUI MOLY
    null
    • Liqui Moly Marine 4T Additive Shooter Liqui Moly Marine 4T Additive Shooter
      Liqui Moly Marine 4T Additive Shooter
      Brand:
    LIQUI MOLY
    Liqui Moly Marine 4T Additive Shooter
  • Function: Gasoline System Cleaner
  • Size: 6.7 fl oz. (200 mL), Treats Up to 18 Gallons of Gasoline
  • Cleans Injectors, Combustion Chamber and Protects Against Corrosion
    • Model #: 25102
    Item #: 306689
    		   Marine 4T Shooter by LIQUI MOLY, is an effective mixture of additives that clean and maintain fuel systems of port injected and carburated gasoline engines.
    Features:
    •Cleans injectors,... more...
    $9.99
    List Price: $10.99
    Our Price: $9.99
    306689 Liqui Moly Marine 4T Additive Shooter icon LIQUI MOLY 25102 Marine 4T Shooter by LIQUI MOLY, is an effective mixture of additives that clean and maintain fuel systems of port injected and carburated gasoline engines.
    Features:
    •Cleans injectors,

    LIQUI MOLY
    null
    • Liqui Moly Marine Gasoline Stabilizer Shooter Liqui Moly Marine Gasoline Stabilizer Shooter
      Liqui Moly Marine Gasoline Stabilizer Shooter
      Brand:
    LIQUI MOLY
    Liqui Moly Marine Gasoline Stabilizer Shooter
  • Function: Preserves and Protects Gasoline Against Aging and Oxidation
  • Size: 6.7 fl oz. (200 mL), Treats Up to 18 Gallons of Gasoline
  • Prevents Problems During Long-Term Storage
    • Model #: 25100
    Item #: 306690
    		   Suitable for all 2-stroke and 4-stroke gasoline engines, the Marine Gasoline Stabilizer Shooter by Liqui Moly, helps prevent corrosion throughout the fuel system and ensures no problems arise when... more...
    $10.99
    List Price: $11.99
    Our Price: $10.99
    306690 Liqui Moly Marine Gasoline Stabilizer Shooter icon LIQUI MOLY 25100 Suitable for all 2-stroke and 4-stroke gasoline engines, the Marine Gasoline Stabilizer Shooter by Liqui Moly, helps prevent corrosion throughout the fuel system and ensures no problems arise when

    MDR
    • MDR Ethanol Gasoline E-Zorb Water Remover - 16 Oz. MDR Ethanol Gasoline E-Zorb Water Remover - 16 Oz.
      MDR Ethanol Gasoline E-Zorb Water Remover - 16 Oz.
      Brand:
    MDR
    MDR Ethanol Gasoline E-Zorb Water Remover - 16 Oz.
  • Designed to Combat Fuel Problems from E-10 Gasoline
  • Emulsifies Water from E-10 Gasoline
  • Size: 16 Ounce Bottle, Treats Up to 320 Gallons of Gasoline
    • Model #: MDR-574
    Item #: 300047

    nullThis product ships ground
    		  Features:
    •E-ZORB Water Remover is formulated to absorb water from gasoline
    •Totally restores phased-out water and ethanol back into E-10/E-15 gasoline

    ... more...
    $19.99
    Our Price: $19.99
    300047 MDR Ethanol Gasoline E-Zorb Water Remover - 16 Oz. icon MDR MDR574 Features:
    •E-ZORB Water Remover is formulated to absorb water from gasoline
    •Totally restores phased-out water and ethanol back into E-10/E-15 gasoline

    MDR
    • MDR Gasoline Water Zorb Water Absorber - 16 Oz. MDR Gasoline Water Zorb Water Absorber - 16 Oz.
      MDR Gasoline Water Zorb Water Absorber - 16 Oz.
      Brand:
    MDR
    MDR Gasoline Water Zorb Water Absorber - 16 Oz.
  • Prevents Freeze Ups and Improves Engine Performance
  • Emulsifies Water and Absorbs Moisture
  • Size: 16 Ounce Bottle, Treats Up to 300 Gallons of Gasoline
    • Model #: MDR-567
    Item #: 301634

    nullThis product ships ground
    		  Features:
    •MDR's Gasoline WaterZorb disperses and emulsifies water right into the fuel, allowing it to pass through filters and safely burn away with the fuel
    •Prevents freeze... more...
    $16.99
    Our Price: $16.99
    301634 MDR Gasoline Water Zorb Water Absorber - 16 Oz. icon MDR MDR567 Features:
    •MDR's Gasoline WaterZorb disperses and emulsifies water right into the fuel, allowing it to pass through filters and safely burn away with the fuel
    •Prevents freeze

    Mercury
    • Mercury Quickare Gasoline Fuel Treatment - 12 Oz. Mercury Quickare Gasoline Fuel Treatment - 12 Oz.
      Mercury Quickare Gasoline Fuel Treatment - 12 Oz.
      Brand:
    Mercury
    Mercury Quickare Gasoline Fuel Treatment - 12 Oz.
  • Application: All Octane Grades and Ethanol Blend Fuels Each Fill-Up
  • Function: Controls Corrosion, Moisture, Buildup and Phase Separation
  • Size: 12 Ounce Bottle, Treats Up to 120 Gallons of Gasoline
    • Model #: 8M0047930
    Item #: 300688

    nullThis product ships ground
    		  Features:
    •Quickare keeps fuel fresh between fill-ups and helps prevent problems associated with ethanol-blended fuel, such as:
    •Corrosion
    •Rust
    ... more...
    $9.99
    List Price: $11.56
    Our Price: $9.99
    300688 Mercury Quickare Gasoline Fuel Treatment - 12 Oz. icon Mercury 8M0047930 Features:
    •Quickare keeps fuel fresh between fill-ups and helps prevent problems associated with ethanol-blended fuel, such as:
    •Corrosion
    •Rust

    Mercury
    • Mercury Quickleen Gasoline Engine Treatment - 12 Oz. Mercury Quickleen Gasoline Engine Treatment - 12 Oz.
      Mercury Quickleen Gasoline Engine Treatment - 12 Oz.
      Brand:
    Mercury
    Mercury Quickleen Gasoline Engine Treatment - 12 Oz.
  • Application: All Octane Grades and Ethanol Blend Fuels as Needed
  • Function: Removes Carbon Deposits, Prevents Knocking
  • Size: 12 Ounce Bottle, Treats Up to 60 Gallons of Gasoline
    • Model #: 8M0047931
    Item #: 300687

    nullThis product ships ground
    		  Features:
    •Quickleen, Mercury Marine's engine and fuel system cleaner, is the same formula customers have relied on for years
    •The deep cleaning engine treatment keeps engine... more...
    $10.99
    List Price: $13.66
    Our Price: $10.99
    300687 Mercury Quickleen Gasoline Engine Treatment - 12 Oz. icon Mercury 8M0047931 Features:
    •Quickleen, Mercury Marine's engine and fuel system cleaner, is the same formula customers have relied on for years
    •The deep cleaning engine treatment keeps engine

    Tohatsu
    • Tohatsu Outboard Motor OEM Gasoline Fuel Stabilizer Tohatsu Outboard Motor OEM Gasoline Fuel Stabilizer
      Tohatsu Outboard Motor OEM Gasoline Fuel Stabilizer
      Brand:
    Tohatsu
    Tohatsu Outboard Motor OEM Gasoline Fuel Stabilizer
  • Keeping The Fuel Fresh and the Fuel System Clean
  • Improves Engine Performance, Keeps Fuel System and Carburetor Clean
  • Size: 8 Ounce Bottle, Treats Up to 32 Gallons of Gasoline
    • Model #: 332823200M
    Item #: 304043

    nullThis product ships ground
    		  Features:
    •OEM Tohatsu Fuel Stabilizer keeps fuel system & carburetor clean
    •Improves engine performance by keeping the fuel fresh and the fuel system clean
    ... more...
    $5.99
    Our Price: $5.99
    304043 Tohatsu Outboard Motor OEM Gasoline Fuel Stabilizer icon Tohatsu 332823200M Features:
    •OEM Tohatsu Fuel Stabilizer keeps fuel system & carburetor clean
    •Improves engine performance by keeping the fuel fresh and the fuel system clean

    Valvtect
    null
    • Valvtect Marine Gasoline Additive Valvtect Marine Gasoline Additive
      Valvtect Marine Gasoline Additive
     

    Brand:
    Valvtect
    Valvtect Marine Gasoline Additive
    • Valvtect Marine Gasoline Additive Valvtect Marine Gasoline Additive
      Valvtect Marine Gasoline Additive
    • Valvtect Marine Gasoline Additive Valvtect Marine Gasoline Additive
      Valvtect Marine Gasoline Additive
    • Valvtect Marine Gasoline Additive Valvtect Marine Gasoline Additive
      Valvtect Marine Gasoline Additive
  • Protects Fuel Systems from Problems Caused by Ethanol Gasoline
  • Stabilizes fuel for 2 years or longer
  • Safe for 2-cycle and 4-cycle Engines, Select Size
    • Model #: Multiple Sizes Available
    Item #: 302621

    nullThis product ships ground
    		  ValvTect® MARINE GASOLINE ADDITIVE is an advanced high performance gasoline additive designed to protect fuel systems from problems caused by ethanol gasoline (up to E85) and non-ethanol... more...
    $5.99
    Our Price: From $5.99 To $14.99
    302621 Valvtect Marine Gasoline Additive icon Valvtect Multiple Sizes Available ValvTect® MARINE GASOLINE ADDITIVE is an advanced high performance gasoline additive designed to protect fuel systems from problems caused by ethanol gasoline (up to E85) and non-ethanol