Do Fuel Additives Work in Your Car?

Best Fuel Additive For Cars on April 2024 Shopping Deals at Bestonio.com

  • Hapco Products - Lead Substitute - 16 oz. (Case of 12)

    • ASIN: B01MTN30JG
    • Brand: Hapco Products Co.
    • Size: Case of 12 - 16 oz.
    • Manufacturer: Hapco Products Co.

    Hapco Lead Replacement Formula provides maximum lubrication to any fuel system. This formula is designed to help fuel become more efficient and increase fuel economy. It replaces lead while acting as an octane booster and valve lubricant. Does not contain solvents or lead. For Best Results: Use regularly as you fill up. One 16 oz. bottle will treat... [Read More]

  • Chevron Techron Concentrate Plus Fuel System Cleaner - 20 oz.

    • UPC: 023968657406
    • ASIN: B00092893E
    • Brand: Chevron
    • Size: 20 fl. Oz.
    • Manufacturer: Chevron

    Chevron Techron fuel system cleaner is unbeatable in cleaning the entire fuel system and restoring lost power and performance caused by deposit build-up. - Cleans deposits from fuel injectors, carburetors, ports, valves and combustion chambers- works in one tankful while you drive to reduce deposit related engine knock, ping, run-on, and cold start... [Read More]

  • LUCAS LUC10013 1 Gallon (128 Ounces) Fuel Treatment

    • UPC: 049807100131
    • ASIN: B000FW7V50
    • Brand: LUCAS
    • Size: 1 Gallon (128 Ounces)
    • Manufacturer: Lucas

    Lucas Fuel Treatment is formulated for both gasoline and diesel engines, carbureted or fuel injected. It gives your fuel system what it really needs - a blend of super slick oils and additives with a high detergent action that allows the engine to operate at maximum efficiency. Also, it cleans and lubricates the carburetor and injectors and causes ... [Read More]

  • Star Tron Enzyme Fuel Treatment - Concentrated Gas Formula 8 oz - Treats 128 Gallons

    • UPC: 071247000894
    • ASIN: B00D3IEIH2
    • Brand: Star Brite
    • Size: 8-Ounce
    • Manufacturer: Star brite

    Star Tron Enzyme Fuel Treatment is a multifunctional fuel additive which uses a unique enzyme technology that allows all engines to start easily and run smoothly, even when using ethanol-blended fuel or after sitting idle for months. Star Tron eliminates and prevents ethanol fuel problems. Star Tron breaks down excess water and sludge to sub-micron... [Read More]

  • Red Line 60202 Lead Substitute - 12 oz.

    • UPC: 083522602020
    • ASIN: B000A8FJ12
    • Brand: Red Line
    • Size: 12 Ounce
    • Manufacturer: Red Line

    Designed for racing, marine, or off-road use only, this Red Line lead substitute prevents valve seat recession in vehicles designed to use leaded fuels. This additive prolongs the useful life of these engines, cleans carburetor deposits and injectors, and will not damage catalytic converters.

  • Marvel Mystery Oil 50665 Ultimate Fuel and Motor Treatment - 12 Fl Oz.

    • UPC: 077874506655
    • ASIN: B06XDPZ1F1
    • Brand: Marvel Mystery Oil
    • Size: Ultimate Fuel and Motor Treatment
    • Manufacturer: Marvel Mystery Oil

    Marvel Ultimate Fuel & Motor Treatment delivers superior cleaning, lubrication and stabilization inside your engine to enhance compression and power. Designed for today's most advanced systems including direct injection (GDI) and hybrids, Marvel Ultimate is also ideal for high mileage vehicles and for preventative maintenance. Marvel Ultimate shoul... [Read More]

  • STP Super Concentrated Fuel Injector Cleaner 12 Pack 5.25 fl Oz Bottles

    • ASIN: B008YFI7KI
    • Brand: STP
    • Size: 12 pack 5.25 fl Oz Bottles
    • Manufacturer: STP

    STP Super Concentrated Fuel Injector Cleaner contains concentrated detergents that help dissolve and remove harmful carbon, gum, and varnish deposits on fuel injectors. Without cleaning, deposits can lead to hard starts, lost acceleration and rough idling. This product is made with jet fuel, a high-quality carrier of active ingredients.... [Read More]

  • Star Tron Enzyme Fuel Treatment - Regular Gas Formula 8 oz - Treats 48 Gallons

    • UPC: 071247143089
    • ASIN: B001VMNHX8
    • Brand: Star Brite
    • Size: 8 Fl. Oz.
    • Manufacturer: Star Tron

    Star Tron Enzyme Fuel Treatment uses unique enzyme technology to improve overall fuel quality. Star Tron Gasoline Formula makes engines start easily and run smooth. It “cures & prevents” Ethanol fuel problems such as water in fuel, or lost power. It also helps prevent phase separation, removes gums, varnish and carbon deposits and will stabiliz... [Read More]

  • Volkswagen Audi OEM Fuel Additive G001770A2

    • ASIN: B017AETWSE
    • Brand: Volkswagen Audi
    • Manufacturer: Volkswagen

    WILL NOT WORK FOR DIESEL MODELS! THIS IS FOR GAS ENGINE MODELS ONLY!

  • Sea Foam 1 Pack (16 Ounce) Extreme Marine & Rv SF-16 Seafoam Liquid 16 Fl Oz

    • UPC: 034761122237
    • ASIN: B0002JN2EU
    • Brand: Sea Foam
    • Size: 1 Pack (16 Ounce)
    • Manufacturer: Sea Foam

    Professional mechanics and do-it-yourselfers everywhere rely on this product every day. Sea Foam Motor Treatment dissolves and cleans fuel and oil residues and deposits, stabilizes fuel, controls moisture, and lubricates upper cylinders. Safe and effective when added to gasoline and diesel fuel and oil crankcases Just pour it in!

  • Majic Multi-Purpose Long Neck Funnel for Car Oil, Gas Additives, Lubricants and Fluids, Blue

    • UPC: 812219025602
    • ASIN: B00RBWX7HS
    • Brand: Majic
    • Manufacturer: Majic

    Majic's Extra Long Lubricant Funnel is multipurpose, it may be used for car oil changes, gas additives, transmission fluids, power steering, and other fluid related transfers.

  • STP 14259 5.25 Ounce All All Season Water Remover

    • UPC: 071153785724
    • ASIN: B004NKYJMS
    • Brand: STP
    • Size: 5.25 Ounce
    • Manufacturer: STP

    This concentrated fuel treatment helps maintain optimum performance all year round. It works to fight rust and corrosion while removing condensation in warm weather, and helps prevent fuel line freeze.

  • STP 78578 5.25 Ounce, Gas Treatment (5.25 Fluid Ounces) (Pack of 2), 14413

    • UPC: 071153785786
    • ASIN: B007JRQI7G
    • Brand: STP
    • Size: 5.25 Ounce, (Pack of 2)
    • Manufacturer: STP

    STP Gas Treatment improves the quality of gas by adding powerful cleaning agents that help fight the accumulation of harmful carbon, gum and varnish deposits in the fuel system that can reduce performance. Also engineered to remove water, which can lead to fuel line freeze. This product is made with jet fuel, a high-quality carrier of active ingred... [Read More]

  • Solder Seal M5012 One Each, 12 oz. Lead Substitute Cs-12

    • UPC: 078698135014
    • ASIN: B002008NWA
    • Brand: Solder Seal
    • Size: One Each, 12 oz.
    • Manufacturer: SOLDER SEAL

    Gunk Lead Substitute replaces lead protection. It contains valve seat anti-wear additive.

  • STP Ultra 5-in-1 Fuel System Cleaner and Fuel Stabilizer (12 fl. oz.)

    • UPC: 071153174375
    • ASIN: B00K5L8H1I
    • Brand: STP
    • Size: 12 Fluid Ounce
    • Manufacturer: STP

    STP Ultra 5-in-1 Fuel System Cleaner and Fuel Stabilizer is scientifically engineered using advanced cleaning technology to keep all your engines running in top form. It contains 3X the amount of cleaning agents vs the leading premium gasoline to remove an average of 61%** of harmful intake valve deposits and restore an average of 95%*** of the ori... [Read More]

  • Stanadyne Performance Formula Diesel Fuel Additive 2 Pack of 1/2 Gallon Jugs - Part # 38566

    • UPC: 634154698655
    • ASIN: B072KSKP9H
    • Brand: Stanadyne
    • Manufacturer: STANADYNE

    Stanadyne Performance Formula protects your diesel engine and restores engine performance. The detergency and cetane improver in Performance Formula will help restore fuel economy, increase horsepower and torque. Benefits of using Stanadyne Performane Formula:Restores/Increase Horsepower - detergents clean deposits in the injection system resultin... [Read More]

  • Red Line 60103-4PK Complete SI-1 Fuel System Cleaner - 15 Ounce, (Pack of 4)

    • UPC: 737534816455
    • ASIN: B00NQB6O0A
    • Brand: Red Line
    • Manufacturer: Red Line

    Red Line 60103-4PK Complete SI-1 Fuel System Cleaner - 15 Ounce, (Pack of 4)

  • Fuel Injector Cleaner Complete System Cleaning Fluid Additive for Carburetor Engine Gas Line & More. Works with Car, Lawn Mower to Increase Power, Efficiency and Economy Boosting Stabilizer. 104+

    • ASIN: B06XS62VL7
    • Brand: 104 + OCTANE BOOST
    • Manufacturer: Gold Eagle

    Fuel Injector Pro by 104+ is a complete fuel system cleaner, designed and formulated with engine cleaning agents that will clean engine carbon deposits, fuel injectors, intake valves and combustion chambers to increase acceleration, and restore that lost power. This best in class Fuel Injector Pro is formulated to work on today's modern high combus... [Read More]

  • Bardahl 3010 Insted O' Lead Gold - 12 fl. oz.

    • UPC: 076906030106
    • ASIN: B011EQLIXG
    • Brand: Bardahl
    • Size: 1 Pack
    • Manufacturer: Bardahl

    BARDAHL SPECIAL DUTY Insted O' Lead Gold is a unique dual action formula that combines an effective lead substitute for protection from valve seat recession and an octane booster (MMT) to eliminate knocking and pinging. This SPECIAL DUTY solution will help insure that a valuable classic or antique car is protected from the effects of unleaded fuel.... [Read More]

  • STA-BIL 22275 32 Ounces Ethanol Treatment

    • UPC: 073905222754
    • ASIN: B0081ZVBDQ
    • Brand: STA-BIL
    • Size: 32 Ounces
    • Manufacturer: Sta-Bil

    STA-BIL 360 Performance with Vapor Technology

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