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Automotive Fuel Additives & Treatments

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    Radiator Additives & Sealants

Top rated

See All
  • Sea Foam Sf-16-12 Motor Treatment for Gas Applications Case of 12 16oz

    Sea Foam Sf-16-12 Motor Treatment for Gas Applications Case of 12 16oz

    (138)
    100% agree - Would recommend
    $76.89 New
  • Euro Fuel Injection Cleaner Made in Germany Liqui Moly JECTRON 300ml 2007 LM2007

    Euro Fuel Injection Cleaner Made in Germany Liqui Moly JECTRON 300ml 2007 LM2007

    (93)
    98% agree - Would recommend
    $16.50 New
  • Case of 25 Kirban Zddplus 202 ZDDP Engine Oil Additive 4oz. Saves Engines

    Case of 25 Kirban Zddplus 202 ZDDP Engine Oil Additive 4oz. Saves Engines

    (74)
    100% agree - Would recommend
    $11.49 New
  • Berryman 0116 B-12 Chemtool Carburetor Fuel System and Injector Cleaner 15

    Berryman 0116 B-12 Chemtool Carburetor Fuel System and Injector Cleaner 15

    (40)
    92% agree - Would recommend
    $8.45 New
  • Lucas Oil Luc10131 Pure Synthetic Stabilizer - 1 Gallon

    Lucas Oil Luc10131 Pure Synthetic Stabilizer - 1 Gallon

    (34)
    100% agree - Would recommend
    $43.61 New
  • Race Gas 100032 High Octane Concentrate Fuel Additive 32oz

    Race Gas 100032 High Octane Concentrate Fuel Additive 32oz

    (32)
    100% agree - Would recommend
    $39.61 New
  • Star Brite Star*tron Fuel Stabilizer - 32 Oz 093032

    Star Brite Star*tron Fuel Stabilizer - 32 Oz 093032

    (22)
    100% agree - Would recommend
    $24.99 New
  • 1pcs Liqui Moly Super Diesel Additive 300ml 2002

    1pcs Liqui Moly Super Diesel Additive 300ml 2002

    (21)
    100% agree - Would recommend
    $9.99 New

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  • BG 44K PLATINUM Fuel System Cleaner Additive 11oz. bottle 20811 - 6 Pack

    BG 44K PLATINUM Fuel System Cleaner Additive 11oz. bottle 20811 - 6 Pack

    (138)
    $12.00 New
  • Lucas Oil 10013 Injector Cleaner Fuel Treatment Gas & Diesel Engine (1 Gallon)

    Lucas Oil 10013 Injector Cleaner Fuel Treatment Gas & Diesel Engine (1 Gallon)

    (32)
    $28.30 New
  • Archoil Ar6500 Diesel Treatment 33oz - Additive for All Diesel Vehicles

    Archoil Ar6500 Diesel Treatment 33oz - Additive for All Diesel Vehicles

    (22)
    $44.00 New
  • Sea Foam Sf-16-12 Motor Treatment for Gas Applications Case of 12 16oz

    Sea Foam Sf-16-12 Motor Treatment for Gas Applications Case of 12 16oz

    (138)
    $76.89 New
  • 5x Chevron Techron Fuel System Cleaner Plus Automobiles and Trucks 10oz

    5x Chevron Techron Fuel System Cleaner Plus Automobiles and Trucks 10oz

    (9)
    $9.88 New
  • Lucas Oil 10013 Fuel Treatment 1 Gallon

    Lucas Oil 10013 Fuel Treatment 1 Gallon

    (41)
    $29.87 New
  • Cataclean 120019 Complete Engine Fuel & Exhaust System Cleaner 2 Bottles

    Cataclean 120019 Complete Engine Fuel & Exhaust System Cleaner 2 Bottles

    (30)
    $45.95 New
  • Sea Foam SF128 Motor Treatment 1 Gallon

    Sea Foam SF128 Motor Treatment 1 Gallon

    (16)
    $49.99 New

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Review highlights

Recommended by our customers
  • Best Brand and best quantity.

    By acco9865

    Outstanding value for quantity. Only one store in my rural area sells this, and i have had to buy only 8 OZ btls, AT AN ... see all reviews

    Verified Purchase

    2-Pack Star Brite Star Tron Enzyme Fuel Treatment Concentrated Gas Formula 32oz

  • Great product, convenient to use

    By jzkiff

    I use this product to make 98 octane fuel with 92 octane ethanol free gas for my 2012 YZ250. I always had to jet it a bi... see all reviews

    Verified Purchase

    Race Gas 100032 High Octane Premium Race Fuel Concentrate 32oz Up to 105 Octane

  • Liqui Moly Super Diesel Additiv #2002

    By j._carlos

    OM617 motor seems to be more responsive when Liqui Moly Super Diesel Additiv #2002 is infused into a fueling my vehicle ... see all reviews

    Verified Purchase

    Diesel Fuel Additive - Liqui Moly Super Diesel Additive 2002 For: Dodge Sprinter

  • It just works. You'll never know unless you try it

    By house-of-jims

    First bottle out of the box went into a full gas tank in a Honda Odyssey that had been mis-firing when either cold or ho... see all reviews

    Verified Purchase

    Seafoam SF-16-12 Motor Treatment For Gas Applications, Case of 12, 16oz Bottle

  • MUST HAVE

    By gnc413

    This is a MUST HAVE for older engines (camshaft) since Zinc was removed bt the government. The shop that swapped a 496... see all reviews

    Verified Purchase

    ZDDPlus ZDDP Engine Oil Additive Restores Zinc Every Oil Change. 3 Pack Discount

  • LONG TIME USER OF THIS BRAND ...!!!

    By e6m6r6e

    I used their engine flush , Ceratec and fuel additive for a long time ,, they absolutely make enough difference on my en... see all reviews

    Verified Purchase

    Liqui Moly Jectron Fuel Injection System Cleaner 300ml (6) LM2007

  • great product to add to engines.

    By gracie777_123

    great oil additive. i add small amount to my lawn mowers when i change oil in them as well as my older automobiles. boug... see all reviews

    Verified Purchase

    Lucas Oil 10131

  • Time tested goodness

    By ansal_rober

    Time tested fuel additive. Helps cleaning up or maintaining the fuel system. I use it on the lawn mower, cars, motorcycl... see all reviews

    Verified Purchase

    Lot Of 6 Berryman 0116 B-12 Chemtool Carburetor/Fuel Treatment-Injector Cleaner

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10,784 results

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    • TriboTEX Oil Additive: Treatment for Engine & Oil Automotive, with Nanoparticles - Image 1 of 4
    • TriboTEX Oil Additive: Treatment for Engine & Oil Automotive, with Nanoparticles - Image 2 of 4
    • TriboTEX Oil Additive: Treatment for Engine & Oil Automotive, with Nanoparticles - Image 3 of 4
    • TriboTEX Oil Additive: Treatment for Engine & Oil Automotive, with Nanoparticles - Image 4 of 4

    TriboTEX Oil Additive: Treatment for Engine & Oil Automotive, with Nanoparticles

    FACTORY DIRECT - OIL ADDITIVE
    Brand New
    (68)
    $97.99
    or Best Offer
    Free shipping
    1,372 sold

    Top Rated Plus

    • Sellers with highest buyer ratings
    • Returns, money back
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    Learn More
    Top Rated Plus
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    • Lucas Oil 10013 Upper Cylinder Lubricant and Injector Cleaner, 1G (Pack of 2) - Image 1 of 3
    • Lucas Oil 10013 Upper Cylinder Lubricant and Injector Cleaner, 1G (Pack of 2) - Image 2 of 3
    • Lucas Oil 10013 Upper Cylinder Lubricant and Injector Cleaner, 1G (Pack of 2) - Image 3 of 3

    Lucas Oil 10013 Upper Cylinder Lubricant and Injector Cleaner, 1G (Pack of 2)

    Brand New · Lucas
    (32)
    $55.00
    Free shipping
    109 sold
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    • Seafoam SF-16-12 Motor Treatment For Gas Applications, Case of 12, 16oz Bottle - Image 1 of 3
    • Seafoam SF-16-12 Motor Treatment For Gas Applications, Case of 12, 16oz Bottle - Image 2 of 3
    • Seafoam SF-16-12 Motor Treatment For Gas Applications, Case of 12, 16oz Bottle - Image 3 of 3

    Seafoam SF-16-12 Motor Treatment For Gas Applications, Case of 12, 16oz Bottle

    Brand New · Sea Foam
    (93)
    $76.99
    or Best Offer
    Free shipping
    V⁣S⁣p⁣U⁣о⁣n⁣s⁣ ⁣L⁣o⁣H⁣ ⁣r⁣e⁣X⁣K⁣ ⁣d⁣V⁣⁣2⁣ ⁣B⁣⁣E⁣ ⁣⁣R⁣
  • Howes Diesel Treat Anti-Gel and Diesel Fuel Lubricator; Case of 6-64oz bottles - Image 1 of 1

    Howes Diesel Treat Anti-Gel and Diesel Fuel Lubricator; Case of 6-64oz bottles

    Brand New
    $99.19
    Free shipping
    63 sold
    T⁣7⁣ ⁣0⁣R⁣ ⁣B⁣1⁣S⁣ ⁣O⁣M⁣ ⁣p⁣J⁣O⁣о⁣n⁣ ⁣E⁣⁣ ⁣⁣s⁣o⁣r⁣e⁣d⁣
  • Prolube Oil Treatment 16 OZ, Increases horsepower, lowers operating temperatures - Image 1 of 4

    Prolube Oil Treatment 16 OZ, Increases horsepower, lowers operating temperatures

    Brand New
    $32.99
    $9.99 shipping
    121 sold
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  • Prolube Oil Treatment 32 OZ, Increases horsepower, lowers operating temperatures - Image 1 of 4

    Prolube Oil Treatment 32 OZ, Increases horsepower, lowers operating temperatures

    Brand New
    $44.99
    $10.99 shipping
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  • Prolong Engine Treatment - Image 1 of 1

    Prolong Engine Treatment

    Brand New
    (13)
    $19.85 to $88.00
    $5.50 shipping
    191 sold
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  • Archoil AR6500 Diesel Treatment (40oz) - Treats 400 Gallons - Image 1 of 4

    Archoil AR6500 Diesel Treatment (40oz) - Treats 400 Gallons

    FREE SHIPPING DIRECT FROM ARCHOIL
    Brand New · Archoil
    (22)
    $44.95
    Free shipping
    1,484 sold
    ⁣⁣⁣B⁣N⁣⁣ ⁣⁣⁣⁣4⁣N⁣⁣⁣⁣⁣ ⁣C⁣⁣N⁣ ⁣⁣Q⁣⁣E⁣⁣ ⁣W⁣
  • Sea Foam Motor Treatment SF16 Gas and Diesel Fuel Additive 16oz - Image 1 of 1

    Sea Foam Motor Treatment SF16 Gas and Diesel Fuel Additive 16oz

    Brand New · Sea Foam
    (93)
    $7.89
    or Best Offer
    Trending at $15.25

    eBay determines this price through a machine learned model of the product's sale prices within the last 90 days.

    $7.99 shipping
    Only 3 left
    ⁣⁣X⁣6⁣⁣ ⁣⁣F⁣⁣⁣⁣⁣M⁣ ⁣⁣1⁣⁣P⁣⁣⁣ ⁣⁣⁣⁣⁣⁣V⁣⁣
  • Ethanol Shield 24 Oz. Fuel Stabilizer for 2 and 4 Cycle Engine Power Equipment - Image 1 of 2

    Ethanol Shield 24 Oz. Fuel Stabilizer for 2 and 4 Cycle Engine Power Equipment

    Brand New
    $18.34
    or Best Offer
    Free shipping
    50 sold
    V⁣K⁣⁣ ⁣M⁣⁣⁣⁣⁣T⁣ ⁣⁣U⁣R⁣⁣⁣ ⁣3⁣O⁣ ⁣⁣⁣⁣⁣⁣⁣⁣⁣
  • Archoil Diesel Fuel System Kit - AR6500 (40oz) + AR6400-D (12oz) - Image 1 of 4

    Archoil Diesel Fuel System Kit - AR6500 (40oz) + AR6400-D (12oz)

    FAST AND FREE SHIPPING DIRECT FROM ARCHOIL
    Brand New · Archoil
    (10)
    $59.90
    Free shipping
    891 sold
    L⁣⁣⁣⁣8⁣⁣⁣ ⁣⁣⁣⁣T⁣V⁣⁣⁣ ⁣⁣⁣N⁣⁣⁣⁣3⁣ ⁣⁣⁣B⁣⁣
  • BG 44K PLATINUM Fuel System Cleaner Additive 11oz. Can PN 208 3 Pack - Image 1 of 1

    BG 44K PLATINUM Fuel System Cleaner Additive 11oz. Can PN 208 3 Pack

    Brand New · B+G Suspension
    (138)
    $58.00
    or Best Offer
    Free shipping
    292 sold

    Top Rated Plus

    • Sellers with highest buyer ratings
    • Returns, money back
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    Learn More
    Top Rated Plus
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  • The Archoil Ultimate Diesel Kit - AR9100 + AR6500 (40oz) + AR6400-D - Image 1 of 4

    The Archoil Ultimate Diesel Kit - AR9100 + AR6500 (40oz) + AR6400-D

    Oil Additive, Diesel Treatment & Fuel System Cleaner
    Brand New · Archoil
    (23)
    $89.90
    Free shipping
    1,732 sold
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  • HAPCO - 1 Gallon Lead Substitute Fuel Additive - TREATS UP TO 200 GALLONS - Image 1 of 1

    HAPCO - 1 Gallon Lead Substitute Fuel Additive - TREATS UP TO 200 GALLONS

    Brand New
    $84.99
    Free shipping
    132 sold

    Top Rated Plus

    • Sellers with highest buyer ratings
    • Returns, money back
    • Ships in a business day with tracking
    Learn More
    Top Rated Plus
    S⁣p⁣V⁣o⁣n⁣7⁣ ⁣ѕ⁣D⁣V⁣ ⁣7⁣I⁣o⁣r⁣ ⁣4⁣e⁣d⁣O⁣⁣⁣⁣⁣ ⁣⁣⁣J⁣
  • Opti-Lube XPD Diesel Fuel Additive: 1 Gallon without Accessories - Image 1 of 4

    Opti-Lube XPD Diesel Fuel Additive: 1 Gallon without Accessories

    Brand New · Opti-Lube
    (15)
    $82.37
    Free shipping
    274 sold
    S⁣p⁣o⁣n⁣D⁣5⁣ ⁣s⁣о⁣6⁣r⁣e⁣Y⁣ ⁣T⁣d⁣⁣Z⁣⁣⁣⁣ ⁣4⁣4⁣ ⁣⁣⁣⁣
  • Opti-Lube XPD Formula Diesel Fuel Additive: 5 Gallon Pail without Accessories - Image 1 of 4

    Opti-Lube XPD Formula Diesel Fuel Additive: 5 Gallon Pail without Accessories

    Brand New · Opti-Lube
    (1)
    $325.00
    Free shipping
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  • Johnsen's 4688 12 Ounce Capacity Octane Boost for Maximum Performance Pack of 12 - Image 1 of 1

    Johnsen's 4688 12 Ounce Capacity Octane Boost for Maximum Performance Pack of 12

    Brand New · Johnsen's
    (3)
    $36.99
    Free shipping
    Est. delivery Fri, Aug 29
    369 sold

    Top Rated Plus

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    Top Rated Plus
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  • Star Brite 93032 Star Tron Enzyme Fuel Treatment Concentrated Gas Formula 32oz - Image 1 of 1

    Star Brite 93032 Star Tron Enzyme Fuel Treatment Concentrated Gas Formula 32oz

    Brand New · Star brite
    (124)
    $23.99
    Free shipping
    479 sold
    ⁣⁣⁣F⁣A⁣ ⁣⁣W⁣N⁣⁣ ⁣T⁣⁣R⁣ ⁣G⁣⁣⁣6⁣ ⁣A⁣⁣8⁣⁣⁣⁣ ⁣H⁣
  • Red Line 60103 SI-1 Complete Fuel System Cleaner 15oz (2 Pack) - Image 1 of 1

    Red Line 60103 SI-1 Complete Fuel System Cleaner 15oz (2 Pack)

    Brand New · Red Line
    (15)
    $28.97
    Free shipping
    259 sold
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  • Archoil AR6500 Diesel Treatment (10.1oz) Four Pack - For All Diesel Vehicles - Image 1 of 3

    Archoil AR6500 Diesel Treatment (10.1oz) Four Pack - For All Diesel Vehicles

    Treats 400 Gallons of Diesel - For Use at Every Fill-Up
    Brand New · Archoil
    (4)
    $49.95
    Free shipping
    326 sold
    Z⁣⁣D⁣ ⁣V⁣A⁣⁣ ⁣⁣K⁣⁣5⁣ ⁣Z⁣T⁣ ⁣⁣⁣U⁣T⁣⁣ ⁣⁣⁣⁣S⁣⁣⁣
  • Opti-Lube XPD Formula Diesel Fuel Additive: 1 Gallon with Accessories OPT-XPD1 - Image 1 of 4

    Opti-Lube XPD Formula Diesel Fuel Additive: 1 Gallon with Accessories OPT-XPD1

    Brand New · Opti-Lube
    (6)
    $88.00
    Free shipping
    218 sold
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  • Sea Foam Clean Engine Bundle Pack of 3 - Image 1 of 1

    Sea Foam Clean Engine Bundle Pack of 3

    Brand New · Sea Foam
    $22.97
    Free shipping
    105 sold
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  • Opti-Lube XPD Diesel Fuel Additive: 1 Gallon without Accessories OPT-XPD1-NA - Image 1 of 4

    Opti-Lube XPD Diesel Fuel Additive: 1 Gallon without Accessories OPT-XPD1-NA

    Brand New · Opti-Lube
    (15)
    $80.00
    Free shipping
    215 sold
    ⁣0⁣9⁣⁣ ⁣M⁣D⁣⁣⁣⁣ ⁣3⁣E⁣ ⁣⁣R⁣⁣⁣Z⁣⁣⁣⁣⁣⁣⁣⁣⁣⁣
  • BOOSTane Professional Fuel Additive 32oz Octane Booster up to 116 Oct (OCT32PRO) - Image 1 of 4

    BOOSTane Professional Fuel Additive 32oz Octane Booster up to 116 Oct (OCT32PRO)

    Brand New · Boostane
    (14)
    $32.99
    Free shipping
    558 sold
    T⁣⁣S⁣ ⁣V⁣P⁣ ⁣⁣⁣⁣⁣⁣Q⁣I⁣⁣⁣⁣⁣ ⁣M⁣⁣⁣7⁣⁣ ⁣⁣7⁣⁣
  • Ethanol Shield 24 Oz. Fuel Stabilizer for 2 and 4 Cycle Engine Power Equipment - Image 1 of 2

    Ethanol Shield 24 Oz. Fuel Stabilizer for 2 and 4 Cycle Engine Power Equipment

    Brand New
    $18.39
    Free shipping
    41 sold
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  • Archoil AR6200 Fuel Treatment 10.1oz Two Pack - Treat 600 Gallons - Image 1 of 1

    Archoil AR6200 Fuel Treatment 10.1oz Two Pack - Treat 600 Gallons

    FREE SHIPPING DIRECT FROM ARCHOIL
    Brand New · Archoil
    $54.95
    Free shipping
    1,237 sold
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  • BG MOA Advance Formula Engine Oil Supplement 11oz Can 115 Free Shipping 5 Pack - Image 1 of 4

    BG MOA Advance Formula Engine Oil Supplement 11oz Can 115 Free Shipping 5 Pack

    Brand New
    (37)
    $58.00
    Free shipping
    336 sold
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  • 2 x Prolube Oil Treatment 32 OZ, Increases horsepower & 8 oz Measuring Cup - Image 1 of 4

    2 x Prolube Oil Treatment 32 OZ, Increases horsepower & 8 oz Measuring Cup

    Brand New
    $86.99
    $15.99 shipping
    ⁣9⁣⁣⁣0⁣ ⁣⁣6⁣Z⁣⁣⁣⁣⁣⁣ ⁣⁣8⁣5⁣ ⁣⁣3⁣7⁣⁣ ⁣⁣⁣H⁣K⁣
  • Seafoam SF-16-12 Motor Treatment For Gas Applications, Case of 12, 16oz Bottle - Image 1 of 3

    Seafoam SF-16-12 Motor Treatment For Gas Applications, Case of 12, 16oz Bottle

    Brand New · Sea Foam
    (138)
    $79.99
    or Best Offer
    Trending at $99.23

    eBay determines this price through a machine learned model of the product's sale prices within the last 90 days.

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