Shop Fuel System Additive Reviews

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$24.99
STAR BRITE Star Tron Enzyme Fuel Treatment - Concentrated Formula 32 Fl. Oz. - Treats Up To 512 Gallons - Fuel Stabilizer & Treatment, Gasoline
Amazon.com
$24.99
STAR BRITE Star Tron Enzyme Fuel Treatment - Concentrated Formula 32 Fl. Oz. - Treats Up To 512 Gallons - Fuel Stabilizer & Treatment, Gasoline
Amazon.com
$87.06
STA-BIL In-Season Protection Fuel System Treatment | Full Protection Fuel System Cleaner, Injector Cleaner, Increases MPG, Prevents Corrosion, 32Oz
Amazon.com
Free shipping
$87.06
STA-BIL In-Season Protection Fuel System Treatment | Full Protection Fuel System Cleaner, Injector Cleaner, Increases MPG, Prevents Corrosion, 32Oz
Amazon.com
$62.49
Hot Shot's Secret Diesel Extreme 1 Gallon, Concentrated Fuel System Cleaner, Diesel Fuel Additive, Injector Cleaner - Increases MPG & Restores
Amazon.com
Free shipping
$62.49
Hot Shot's Secret Diesel Extreme 1 Gallon, Concentrated Fuel System Cleaner, Diesel Fuel Additive, Injector Cleaner - Increases MPG & Restores
Amazon.com
$15.90
Hot Shot's Secret Gasoline Extreme 12 Oz, Concentrated Fuel System Cleaner, Fuel Additive For Gasoline Engines, Fuel Injector Cleaner - Increases
Amazon.com
$15.90
Hot Shot's Secret Gasoline Extreme 12 Oz, Concentrated Fuel System Cleaner, Fuel Additive For Gasoline Engines, Fuel Injector Cleaner - Increases
Amazon.com
$24.47
Hot Shot's Secret Everyday Diesel Treatment 32Oz, 6-In-1 Diesel Additive - Injector Cleaner, Fuel System Cleaner, Fuel Additive Boosts Cetane
Amazon.com
$24.47
Hot Shot's Secret Everyday Diesel Treatment 32Oz, 6-In-1 Diesel Additive - Injector Cleaner, Fuel System Cleaner, Fuel Additive Boosts Cetane
Amazon.com
$17.51
Chevron Techron Concentrate Plus Fuel System Cleaner, 20 Oz., Pack Of 1
Amazon.com
14K+
Free shipping
$17.51
Chevron Techron Concentrate Plus Fuel System Cleaner, 20 Oz., Pack Of 1
Amazon.com
$74.51
Hot Shot's Secret LX4 Lubricity Extreme 1 Gallon, Fuel Treatment For All Engines, Gasoline & Diesel Additive, Fuel Additive Increases Lubricity,
Amazon.com
335
Free shipping
$74.51
Hot Shot's Secret LX4 Lubricity Extreme 1 Gallon, Fuel Treatment For All Engines, Gasoline & Diesel Additive, Fuel Additive Increases Lubricity,
Amazon.com
$113.00
Hot Shot's Secret Original Stiction Eliminator - For All Vehicles, Gas & Diesel Oil Additive, Reduces Wear, Restores Power & Protects Injectors,
Amazon.com
Free shipping
$113.00
Hot Shot's Secret Original Stiction Eliminator - For All Vehicles, Gas & Diesel Oil Additive, Reduces Wear, Restores Power & Protects Injectors,
Amazon.com
$34.45
Hot Shot's Secret Gasoline Extreme 32 Oz, Concentrated Fuel System Cleaner, Fuel Additive For Gasoline Engines, Injector Cleaner - Increases MPG &
Amazon.com
$34.45
Hot Shot's Secret Gasoline Extreme 32 Oz, Concentrated Fuel System Cleaner, Fuel Additive For Gasoline Engines, Injector Cleaner - Increases MPG &
Amazon.com
$31.44
Lucas Oil 10013 Fuel Treatment - 1 Gallon
Amazon.com
20K+
$31.44
Lucas Oil 10013 Fuel Treatment - 1 Gallon
Amazon.com
$66.43
Hot Shot's Secret Everyday Diesel Treatment 1 Gallon, 6-In-1 Diesel Additive - Injector Cleaner, Fuel System Cleaner, Fuel Additive Boosts Cetane (
Amazon.com
7K+
Free shipping
$66.43
Hot Shot's Secret Everyday Diesel Treatment 1 Gallon, 6-In-1 Diesel Additive - Injector Cleaner, Fuel System Cleaner, Fuel Additive Boosts Cetane (
Amazon.com
$39.08
DURA LUBE 2 Pack Severe Catalytic And Exhaust Treatment Cleaner Fuel Additive, 16 Fl. Oz, 2-Pack Combo Pack
Amazon.com
Free shipping
$39.08
DURA LUBE 2 Pack Severe Catalytic And Exhaust Treatment Cleaner Fuel Additive, 16 Fl. Oz, 2-Pack Combo Pack
Amazon.com
$76.86
STA-BIL Marine Fuel System Treatment | Full Fuel System Cleaner, Injector Cleaner | Additive For Boats & Watercrafts, In-Season Cleaning &
Amazon.com
Free shipping
$76.86
STA-BIL Marine Fuel System Treatment | Full Fuel System Cleaner, Injector Cleaner | Additive For Boats & Watercrafts, In-Season Cleaning &
Amazon.com
$59.90
Archoil Diesel Fuel System Kit - AR6500 Diesel Treatment (40 Oz) + AR6400-D Diesel Fuel System Cleaner
Amazon.com
10
Free shipping
$59.90
Archoil Diesel Fuel System Kit - AR6500 Diesel Treatment (40 Oz) + AR6400-D Diesel Fuel System Cleaner
Amazon.com
$44.95
Archoil AR6500 Diesel Treatment (40 Ounces) - Treats 400 Gallons - Additive For All Diesel Vehicles
Amazon.com
1K+
Free shipping
$44.95
Archoil AR6500 Diesel Treatment (40 Ounces) - Treats 400 Gallons - Additive For All Diesel Vehicles
Amazon.com
$69.33
Lucas Oil Products LUC10873 Diesel Deep Clean Fuel Additive, 64 Fl. Oz, 1 Pack
Amazon.com
110
Free shipping
$69.33
Lucas Oil Products LUC10873 Diesel Deep Clean Fuel Additive, 64 Fl. Oz, 1 Pack
Amazon.com
$15.99
Red Line Redline S-1 Fuel Treatment: Complete Fuel System Cleaner, Gas & Injector Additive Treatment, 15 Oz, 60103
Advance Auto Parts
$15.99
Red Line Redline S-1 Fuel Treatment: Complete Fuel System Cleaner, Gas & Injector Additive Treatment, 15 Oz, 60103
Advance Auto Parts
$18.97
6 Oz. Fuel System Cleaner - Joe Gibbs Driven Carb Defender Fuel Additive | Joe Gibbs Driven Racing Oil 70044
Summit Racing
5
$18.97
6 Oz. Fuel System Cleaner - Joe Gibbs Driven Carb Defender Fuel Additive | Joe Gibbs Driven Racing Oil 70044
Summit Racing
$12.25
Gasoline Fuel Additive - MOTUL Fuel System Clean (300 Ml. Can)
Sierra Madre Collection
$12.25
Gasoline Fuel Additive - MOTUL Fuel System Clean (300 Ml. Can)
Sierra Madre Collection
$99.95
Star Tron Enzyme Fuel Treatment Concentrate, 128 Fl. Oz. - Treats Up To 2,048 Gallons - Rejuvenate & Stabilize Old Gasoline, Cure Ethanol Problems,
Amazon.com
462
Free shipping
$99.95
Star Tron Enzyme Fuel Treatment Concentrate, 128 Fl. Oz. - Treats Up To 2,048 Gallons - Rejuvenate & Stabilize Old Gasoline, Cure Ethanol Problems,
Amazon.com
$10.49
Star Tron Enzyme Fuel Treatment: Multifunctional Additive, Improves Performance, 8 Oz, 14308
Advance Auto Parts
3K+
$10.49
Star Tron Enzyme Fuel Treatment: Multifunctional Additive, Improves Performance, 8 Oz, 14308
Advance Auto Parts
$149.87
Power Service 01050-02 +Cetane Boost Diesel Fuel Supplement - 2.5 Gallon
Amazon.com
Free shipping
$149.87
Power Service 01050-02 +Cetane Boost Diesel Fuel Supplement - 2.5 Gallon
Amazon.com
$16.79
16 Oz. Fuel System Cleaner - Hot Shot's Secret Everday Diesel Treatment Fuel System Additive | Hot Shot's Secret HSSEDT16ZSP
Summit Racing
$16.79
16 Oz. Fuel System Cleaner - Hot Shot's Secret Everday Diesel Treatment Fuel System Additive | Hot Shot's Secret HSSEDT16ZSP
Summit Racing
$14.95
F-BOMB Diesel Fuel Additive | Fuel Bomb!
Diesel Power Products
$14.95
F-BOMB Diesel Fuel Additive | Fuel Bomb!
Diesel Power Products
$16.79
16 Oz. Fuel System Cleaner - Hot Shot's Secret Everday Diesel Treatment Fuel System Additive | Hot Shot's Secret HSSEDT16Z
Summit Racing
6K+
$16.79
16 Oz. Fuel System Cleaner - Hot Shot's Secret Everday Diesel Treatment Fuel System Additive | Hot Shot's Secret HSSEDT16Z
Summit Racing
$19.71
Multi Purpose Fuel Additive
Sierra Madre Collection
$19.71
Multi Purpose Fuel Additive
Sierra Madre Collection
$53.00
$64.50
Stanadyne Performance Formula Diesel Fuel Additive 64Oz
Dieselogic
17% off
$53.00
$64.50
Stanadyne Performance Formula Diesel Fuel Additive 64Oz
Dieselogic
$40.24
Hot Shot's Secret Everyday Diesel Treatment 16 Oz. Squeeze Bottle 2 Pack, 6-In-1 Diesel Additive - Injector Cleaner, Fuel System Cleaner, Fuel
Amazon.com
7K+
Free shipping
$40.24
Hot Shot's Secret Everyday Diesel Treatment 16 Oz. Squeeze Bottle 2 Pack, 6-In-1 Diesel Additive - Injector Cleaner, Fuel System Cleaner, Fuel
Amazon.com
$14.95
Fuel Bomb: HELLFIRE +8 Cetane Booster Diesel Fuel Additive
Diesel Power Products
$14.95
Fuel Bomb: HELLFIRE +8 Cetane Booster Diesel Fuel Additive
Diesel Power Products
$26.49
Diesel Kleen Diesel Fuel Treatment With Cetane Boost For Improved Performance, 03064
Advance Auto Parts
$26.49
Diesel Kleen Diesel Fuel Treatment With Cetane Boost For Improved Performance, 03064
Advance Auto Parts
$12.97
Injector Defender - Gasoline Additive | 1
Driven Racing Oil LLC
$12.97
Injector Defender - Gasoline Additive | 1
Driven Racing Oil LLC
$103.99
KITLEY SF16 Fuel Treatment Trademark Towel - Fuel Injector Cleaner And Upper Engine Lubricant - Cleans Fuel System, Stabilizes Fuel, Reduces Engine
Amazon.com
Free shipping
$103.99
KITLEY SF16 Fuel Treatment Trademark Towel - Fuel Injector Cleaner And Upper Engine Lubricant - Cleans Fuel System, Stabilizes Fuel, Reduces Engine
Amazon.com
$123.46
Advanced Fuel System Treatment, Eliminates Sludge & Extends Engine
eBay
Free shipping
$123.46
Advanced Fuel System Treatment, Eliminates Sludge & Extends Engine
eBay
$65.95
Diesel Treatment Additive Everyday Use Fuel System Protect 730
US eBay
Free shipping
$65.95
Diesel Treatment Additive Everyday Use Fuel System Protect 730
US eBay
$47.79
Diesel 4-In-1 Fuel Additive In 64 Oz. Bottle By AMSOIL | Improved Lubricity | ADBHG-EA | Fuel Additive, Cleaner/Lubricant/Cetane Boost
AMSOIL
$47.79
Diesel 4-In-1 Fuel Additive In 64 Oz. Bottle By AMSOIL | Improved Lubricity | ADBHG-EA | Fuel Additive, Cleaner/Lubricant/Cetane Boost
AMSOIL
$8.29
Diesel 4-In-1 Fuel Additive In 8 Oz. Bottle By AMSOIL | Improved Lubricity | ADBPCN-EA | Fuel Additive, Cleaner/Lubricant/Cetane Boost
AMSOIL
$8.29
Diesel 4-In-1 Fuel Additive In 8 Oz. Bottle By AMSOIL | Improved Lubricity | ADBPCN-EA | Fuel Additive, Cleaner/Lubricant/Cetane Boost
AMSOIL
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Fuel System Additive Guide - Best Fuel Additives of 2025 Ranked
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Shop Fuel System Additive Reviews

Sponsored
About our ads
$24.99
STAR BRITE Star Tron Enzyme Fuel Treatment - Concentrated Formula 32 Fl. Oz. - Treats Up To 512 Gallons - Fuel Stabilizer & Treatment, Gasoline
Amazon.com
$24.99
STAR BRITE Star Tron Enzyme Fuel Treatment - Concentrated Formula 32 Fl. Oz. - Treats Up To 512 Gallons - Fuel Stabilizer & Treatment, Gasoline
Amazon.com
$87.06
STA-BIL In-Season Protection Fuel System Treatment | Full Protection Fuel System Cleaner, Injector Cleaner, Increases MPG, Prevents Corrosion, 32Oz
Amazon.com
Free shipping
$87.06
STA-BIL In-Season Protection Fuel System Treatment | Full Protection Fuel System Cleaner, Injector Cleaner, Increases MPG, Prevents Corrosion, 32Oz
Amazon.com
$62.49
Hot Shot's Secret Diesel Extreme 1 Gallon, Concentrated Fuel System Cleaner, Diesel Fuel Additive, Injector Cleaner - Increases MPG & Restores
Amazon.com
Free shipping
$62.49
Hot Shot's Secret Diesel Extreme 1 Gallon, Concentrated Fuel System Cleaner, Diesel Fuel Additive, Injector Cleaner - Increases MPG & Restores
Amazon.com
$15.90
Hot Shot's Secret Gasoline Extreme 12 Oz, Concentrated Fuel System Cleaner, Fuel Additive For Gasoline Engines, Fuel Injector Cleaner - Increases
Amazon.com
$15.90
Hot Shot's Secret Gasoline Extreme 12 Oz, Concentrated Fuel System Cleaner, Fuel Additive For Gasoline Engines, Fuel Injector Cleaner - Increases
Amazon.com
$24.47
Hot Shot's Secret Everyday Diesel Treatment 32Oz, 6-In-1 Diesel Additive - Injector Cleaner, Fuel System Cleaner, Fuel Additive Boosts Cetane
Amazon.com
$24.47
Hot Shot's Secret Everyday Diesel Treatment 32Oz, 6-In-1 Diesel Additive - Injector Cleaner, Fuel System Cleaner, Fuel Additive Boosts Cetane
Amazon.com
$17.51
Chevron Techron Concentrate Plus Fuel System Cleaner, 20 Oz., Pack Of 1
Amazon.com
14K+
Free shipping
$17.51
Chevron Techron Concentrate Plus Fuel System Cleaner, 20 Oz., Pack Of 1
Amazon.com
$74.51
Hot Shot's Secret LX4 Lubricity Extreme 1 Gallon, Fuel Treatment For All Engines, Gasoline & Diesel Additive, Fuel Additive Increases Lubricity,
Amazon.com
335
Free shipping
$74.51
Hot Shot's Secret LX4 Lubricity Extreme 1 Gallon, Fuel Treatment For All Engines, Gasoline & Diesel Additive, Fuel Additive Increases Lubricity,
Amazon.com
$113.00
Hot Shot's Secret Original Stiction Eliminator - For All Vehicles, Gas & Diesel Oil Additive, Reduces Wear, Restores Power & Protects Injectors,
Amazon.com
Free shipping
$113.00
Hot Shot's Secret Original Stiction Eliminator - For All Vehicles, Gas & Diesel Oil Additive, Reduces Wear, Restores Power & Protects Injectors,
Amazon.com
$34.45
Hot Shot's Secret Gasoline Extreme 32 Oz, Concentrated Fuel System Cleaner, Fuel Additive For Gasoline Engines, Injector Cleaner - Increases MPG &
Amazon.com
$34.45
Hot Shot's Secret Gasoline Extreme 32 Oz, Concentrated Fuel System Cleaner, Fuel Additive For Gasoline Engines, Injector Cleaner - Increases MPG &
Amazon.com
$31.44
Lucas Oil 10013 Fuel Treatment - 1 Gallon
Amazon.com
20K+
$31.44
Lucas Oil 10013 Fuel Treatment - 1 Gallon
Amazon.com
$66.43
Hot Shot's Secret Everyday Diesel Treatment 1 Gallon, 6-In-1 Diesel Additive - Injector Cleaner, Fuel System Cleaner, Fuel Additive Boosts Cetane (
Amazon.com
7K+
Free shipping
$66.43
Hot Shot's Secret Everyday Diesel Treatment 1 Gallon, 6-In-1 Diesel Additive - Injector Cleaner, Fuel System Cleaner, Fuel Additive Boosts Cetane (
Amazon.com
$39.08
DURA LUBE 2 Pack Severe Catalytic And Exhaust Treatment Cleaner Fuel Additive, 16 Fl. Oz, 2-Pack Combo Pack
Amazon.com
Free shipping
$39.08
DURA LUBE 2 Pack Severe Catalytic And Exhaust Treatment Cleaner Fuel Additive, 16 Fl. Oz, 2-Pack Combo Pack
Amazon.com
$76.86
STA-BIL Marine Fuel System Treatment | Full Fuel System Cleaner, Injector Cleaner | Additive For Boats & Watercrafts, In-Season Cleaning &
Amazon.com
Free shipping
$76.86
STA-BIL Marine Fuel System Treatment | Full Fuel System Cleaner, Injector Cleaner | Additive For Boats & Watercrafts, In-Season Cleaning &
Amazon.com
$59.90
Archoil Diesel Fuel System Kit - AR6500 Diesel Treatment (40 Oz) + AR6400-D Diesel Fuel System Cleaner
Amazon.com
10
Free shipping
$59.90
Archoil Diesel Fuel System Kit - AR6500 Diesel Treatment (40 Oz) + AR6400-D Diesel Fuel System Cleaner
Amazon.com
$44.95
Archoil AR6500 Diesel Treatment (40 Ounces) - Treats 400 Gallons - Additive For All Diesel Vehicles
Amazon.com
1K+
Free shipping
$44.95
Archoil AR6500 Diesel Treatment (40 Ounces) - Treats 400 Gallons - Additive For All Diesel Vehicles
Amazon.com
$69.33
Lucas Oil Products LUC10873 Diesel Deep Clean Fuel Additive, 64 Fl. Oz, 1 Pack
Amazon.com
110
Free shipping
$69.33
Lucas Oil Products LUC10873 Diesel Deep Clean Fuel Additive, 64 Fl. Oz, 1 Pack
Amazon.com
$15.99
Red Line Redline S-1 Fuel Treatment: Complete Fuel System Cleaner, Gas & Injector Additive Treatment, 15 Oz, 60103
Advance Auto Parts
$15.99
Red Line Redline S-1 Fuel Treatment: Complete Fuel System Cleaner, Gas & Injector Additive Treatment, 15 Oz, 60103
Advance Auto Parts
$18.97
6 Oz. Fuel System Cleaner - Joe Gibbs Driven Carb Defender Fuel Additive | Joe Gibbs Driven Racing Oil 70044
Summit Racing
5
$18.97
6 Oz. Fuel System Cleaner - Joe Gibbs Driven Carb Defender Fuel Additive | Joe Gibbs Driven Racing Oil 70044
Summit Racing

  • 10 Best Fuel System Cleaners - Our #1 Pick Will Surprise You

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