Shop best engine cleaner additive

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$16.95
$20.16
Chevron Techron Concentrate Plus Fuel System Cleaner, 20 Oz., Pack Of 1
Amazon.com
14K+
15% off
$16.95
$20.16
Chevron Techron Concentrate Plus Fuel System Cleaner, 20 Oz., Pack Of 1
Amazon.com
14K+
$15.18
Slick 50 Original Engine Treatment | 32 Oz., Single
Amazon.com
631
$15.18
Slick 50 Original Engine Treatment | 32 Oz., Single
Amazon.com
631
$33.99
3D Grand Blast Engine Degreaser - Heavy Duty Biodegradable Cleaner For Engines, Wheels, Exhausts & More - Fast-Acting, Non-Staining - Made In USA - 1
Amazon.com
459
$33.99
3D Grand Blast Engine Degreaser - Heavy Duty Biodegradable Cleaner For Engines, Wheels, Exhausts & More - Fast-Acting, Non-Staining - Made In USA - 1
Amazon.com
459
$57.52
Hot Shot's Secret Diesel Extreme 1 Gallon, Concentrated Fuel System Cleaner, Diesel Fuel Additive, Injector Cleaner - Increases MPG & Restores Engine
Amazon.com
5K+
Free shipping
$57.52
Hot Shot's Secret Diesel Extreme 1 Gallon, Concentrated Fuel System Cleaner, Diesel Fuel Additive, Injector Cleaner - Increases MPG & Restores Engine
Amazon.com
5K+
$37.95
Sea Foam SF-16 Motor Treatment 4-PACK 16 Oz. Cans
Amazon.com
1
Free shipping
$37.95
Sea Foam SF-16 Motor Treatment 4-PACK 16 Oz. Cans
Amazon.com
1
$24.99
Marvel Mystery Oil 53436 Original Motor Treatment, Add To Fuel & Oil For Superior Cleaning, Removes And Prevents Sludge Build Up And Leaks, Extends
Amazon.com
288
$24.99
Marvel Mystery Oil 53436 Original Motor Treatment, Add To Fuel & Oil For Superior Cleaning, Removes And Prevents Sludge Build Up And Leaks, Extends
Amazon.com
288
$16.45
Liqui Moly Engine Flush Plus 300Ml
Amazon.com
4K+
$16.45
Liqui Moly Engine Flush Plus 300Ml
Amazon.com
4K+
$53.50
$63.88
Red Line 60103 SI-1 Complete Fuel System Cleaner, Cleans And Prevents Corrosion In Fuel Systems, Cleans Injectors, Carburetors, Valve And Combustion
Amazon.com
910
Free shipping
16% off
$53.50
$63.88
Red Line 60103 SI-1 Complete Fuel System Cleaner, Cleans And Prevents Corrosion In Fuel Systems, Cleans Injectors, Carburetors, Valve And Combustion
Amazon.com
910
$92.63
STA-BIL Fast Fix - Small Engine Treatment, Cleans Carburetors & Injectors, Fixes Rough Running Engines, Eliminates Water, Carb Cleaner & Fuel Injector
Amazon.com
2
Free shipping
$92.63
STA-BIL Fast Fix - Small Engine Treatment, Cleans Carburetors & Injectors, Fixes Rough Running Engines, Eliminates Water, Carb Cleaner & Fuel Injector
Amazon.com
2
$78.75
$114.99
Hot Shot's Secret Original Stiction Eliminator - For All Vehicles, Gas & Diesel Oil Additive, Reduces Wear, Restores Power & Protects Injectors,
Amazon.com
2
Free shipping
31% off
$78.75
$114.99
Hot Shot's Secret Original Stiction Eliminator - For All Vehicles, Gas & Diesel Oil Additive, Reduces Wear, Restores Power & Protects Injectors,
Amazon.com
2
$10.53
Lucas Oil 16Oz Complete Engine Treatment
USA Fleet Supply
$10.53
Lucas Oil 16Oz Complete Engine Treatment
USA Fleet Supply
$7.99
Rislone High Mileage Engine Treatment Conditioner And Cleaner, 16.9 Oz, 4102
Advance Auto Parts
1K+
$7.99
Rislone High Mileage Engine Treatment Conditioner And Cleaner, 16.9 Oz, 4102
Advance Auto Parts
1K+
$55.99
Marvel Mystery Oil 013R Gas And Oil Additive, 1 Qt, Plastic Bottle
IndustrialSafety.com
1K+
$55.99
Marvel Mystery Oil 013R Gas And Oil Additive, 1 Qt, Plastic Bottle
IndustrialSafety.com
1K+
$10.30
Sea Foam Gasoline/2 And 4 Cycle Engine Lubricant Cleaner 12 Oz
MRO Supreme
328
$10.30
Sea Foam Gasoline/2 And 4 Cycle Engine Lubricant Cleaner 12 Oz
MRO Supreme
328
$7.19
Liqui Moly Jectron Fuel Injection Cleaner (300Ml Can) - Lm2007
GenRacer
$7.19
Liqui Moly Jectron Fuel Injection Cleaner (300Ml Can) - Lm2007
GenRacer
$16.79
Red Line Engine Break-In Additive, 16 Ounce Bottle
Pegasus Auto Racing Supplies
187
$16.79
Red Line Engine Break-In Additive, 16 Ounce Bottle
Pegasus Auto Racing Supplies
187
$14.14
Lucas Oil 16 Oz Deep Clean Fuel System Cleaner
USA Fleet Supply
989
$14.14
Lucas Oil 16 Oz Deep Clean Fuel System Cleaner
USA Fleet Supply
989
$546.44
Seafoam Fuel System Cleaner: Motor Treatment, Fuel System Cleaner, 1 Gal Container Size Model: SF000128
Grainger
100
$546.44
Seafoam Fuel System Cleaner: Motor Treatment, Fuel System Cleaner, 1 Gal Container Size Model: SF000128
Grainger
100
$10.99
Seafoam Sea Foam Motor Treatment, Size 16 Oz | Overton's
Overton's
5K+
$10.99
Seafoam Sea Foam Motor Treatment, Size 16 Oz | Overton's
Overton's
5K+
$20.95
COMP Cams 159: COMP Cams Engine Break-In Oil Additive
Summit Racing
246
$20.95
COMP Cams 159: COMP Cams Engine Break-In Oil Additive
Summit Racing
246
$15.97
Red Line SI-1 Complete Fuel System Cleaner, 15 Oz Bottle
Pegasus Auto Racing Supplies
7K+
$15.97
Red Line SI-1 Complete Fuel System Cleaner, 15 Oz Bottle
Pegasus Auto Racing Supplies
7K+
$18.97
32 Oz. Fuel System Cleaner - Hot Shot's Secret Diesel Extreme Fuel System Additive | Hot Shot's Secret P040432Z
Summit Racing
4K+
$18.97
32 Oz. Fuel System Cleaner - Hot Shot's Secret Diesel Extreme Fuel System Additive | Hot Shot's Secret P040432Z
Summit Racing
4K+
$33.59
64 Oz. Fuel System Cleaner - Hot Shot's Secret Diesel Extreme Fuel System Additive | Hot Shot's Secret P040464Z
Summit Racing
1
$33.59
64 Oz. Fuel System Cleaner - Hot Shot's Secret Diesel Extreme Fuel System Additive | Hot Shot's Secret P040464Z
Summit Racing
1
$36.99
Blaster 20-ED Heavy-Duty Engine Degreaser, 15 Oz
IndustrialSafety.com
56
$36.99
Blaster 20-ED Heavy-Duty Engine Degreaser, 15 Oz
IndustrialSafety.com
56
$27.97
$29.99
Epicflush Engine Cleaner
Watercraft Superstore
$27.97
$29.99
Epicflush Engine Cleaner
Watercraft Superstore
$101.94
Mercury Quickleen Engine And Fuel System Cleaner 12Oz. - 92-8M0047931
Parts Vu
$101.94
Mercury Quickleen Engine And Fuel System Cleaner 12Oz. - 92-8M0047931
Parts Vu
$58.98
Mercury Quickleen Engine And Fuel System Cleaner 32 Oz. - 92-8M0058691
Parts Vu
$58.98
Mercury Quickleen Engine And Fuel System Cleaner 32 Oz. - 92-8M0058691
Parts Vu
$77.99
CRC 05025 Engine Degreasers, 20 Oz Aerosol Can
IndustrialSafety.com
59
$77.99
CRC 05025 Engine Degreasers, 20 Oz Aerosol Can
IndustrialSafety.com
59
$79.56
Quicksilver Quickleen Engine And Fuel System Cleaner 12 Oz - 92-8M0047
Parts Vu
$79.56
Quicksilver Quickleen Engine And Fuel System Cleaner 12 Oz - 92-8M0047
Parts Vu
$20.99
WAB Engine & Chassis Cleaner - 1 Gallon
4 State Trucks
$20.99
WAB Engine & Chassis Cleaner - 1 Gallon
4 State Trucks
$33.96
$45.99
Epicflush Engine Cleaner
Watercraft Superstore
26% off
$33.96
$45.99
Epicflush Engine Cleaner
Watercraft Superstore
$10.99
$16.99
Liqui-Moly Truck Series Complete Fuel System Cleaner - 500Ml / 16.9Oz: Eliminates Start Problems And Rough Engine Running - Treats Up To 30 Gallons...
ECS Tuning
35% off
$10.99
$16.99
Liqui-Moly Truck Series Complete Fuel System Cleaner - 500Ml / 16.9Oz: Eliminates Start Problems And Rough Engine Running - Treats Up To 30 Gallons...
ECS Tuning
$101.46
LIQUI MOLY 300Ml Mos2 Anti-Friction Engine Treatment
Extreme Power House
$101.46
LIQUI MOLY 300Ml Mos2 Anti-Friction Engine Treatment
Extreme Power House
$14.95
Liqui Moly Engine Oil Additive 250Ml - 20050 | Speedaddicts.Com
Speed Addicts
$14.95
Liqui Moly Engine Oil Additive 250Ml - 20050 | Speedaddicts.Com
Speed Addicts
$16.79
Red Line Oil Engine Break-In Additive 16Oz.
JEGS High Performance
$16.79
Red Line Oil Engine Break-In Additive 16Oz.
JEGS High Performance
$14.99
Quicksilver Quickleen Engine And Fuel System Cleaner, Size 12 Oz | Overton's
Overton's
$14.99
Quicksilver Quickleen Engine And Fuel System Cleaner, Size 12 Oz | Overton's
Overton's
Top 10 Engine Additives That Actually Work (and 5 That Don’t)
12:13
Top 10 Engine Additives That Actually Work (and 5 That Don’t)
791 views8 months ago
YouTubeThe Auto Brains
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13 Engine Additives That Work (And 5 That’ll Kill Your Car)
903.5K views7 months ago
YouTubeCar Care Clues
Top 5 Best Engine Flush Cleaners [Review] - High Mileage Engine Flush/Engine Restorer [2026]
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Top 5 Best Engine Flush Cleaners [Review] - High Mileage Engine Fl…
5.7K viewsAug 14, 2022
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Engine Cleaner: Top 5 Best Engine Cleaners [2022]
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Engine Cleaner: Top 5 Best Engine Cleaners [2022]
47.6K viewsSep 5, 2022
YouTubeAutomotive Care
Engine Flush: Is It Good or Bad for Your Engine? (Plus See How To Do It)
Engine Flush: Is It Good or Bad for Your Engine? (Plus See How To D…
Nov 26, 2018
amsoil.com
LIQUI MOLY Diesel Engine System Cleaner (21491) EN
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LIQUI MOLY Diesel Engine System Cleaner (21491) EN
422.7K viewsMay 27, 2021
YouTubeLIQUI MOLY
Get More Miles: Best Diesel Additives for 2024
7:00
Get More Miles: Best Diesel Additives for 2024
45.1K viewsFeb 7, 2023
YouTubedriveloop
7:14
Fuel Injector Cleaner | Fuel Additives useful ? Fact & figures | …
162.3K viewsJun 11, 2019
YouTubeAsk CarGuru
2:53
Do Engine Oil Additives Really Work? See What BestLine Additiv…
149K viewsDec 10, 2021
YouTubeBestLine Racing
6:26
Best Diesel Injector Cleaners 2025 - Top 4 Picks
39.2K viewsMay 29, 2022
YouTubeautoNmoto
13:10
LA's AWESOME Engine Degreaser. BEST Cleaner for $1!
329K viewsFeb 13, 2017
YouTubeBEERS 'n GEARS (Dylan6793)
7:23
Best Engine Oil Additives | Top 5 Engine Oil Additive Review
11.2K viewsSep 13, 2023
YouTubeAutomotiver Point
6:33
Top 5 Best Carburetor Cleaner Fuel Additive in 2025 | Best Duel Syste…
5.1K viewsJun 24, 2024
YouTubeKeil's Garage
7:37
Engine Oil Additives to Improve Engine Life
50.2K viewsJul 11, 2021
YouTubeECS Tuning
13:11
Top 10 Diesel Additives That Actually Work |And 5 That Don’t!
1.1K views2 months ago
YouTubevelovista
22:53
Carb Cleaners and Fuel Additives: What Works?
192.3K viewsJun 18, 2017
YouTubeTheMotorcycleMD
1:08
Stacey David explains the importance of diesel fuel additives
165.5K viewsSep 11, 2018
YouTubeHot Shot's Secret
13:45
LIQUI MOLY Additives Explained - (Engine Flush, Injection Cleaner, …
1.1M viewsNov 26, 2019
YouTubeFCP Euro
6:10
Best Fuel Injector Cleaner 2025 🔥 Top 5 Best Fuel Injector Cleaner Reviews
287.2K viewsOct 17, 2022
YouTubeTools Adviser
2:16
Engine Additives Buying Guide | Halfords UK
6.3K viewsJan 2, 2020
YouTubeHalfords
11:11
Best Fuel Injector Cleaners 2025 - The Only 7 You Should Consider
115.8K viewsJan 26, 2024
YouTubeConsumer Betterment
20:18
Best Carbon Buildup Cleaner for Engines, CRC GDI vs SeaFoam vs …
383.7K viewsApr 12, 2019
YouTubeEVERY DAY I RACE
13:17
EXPOSED: The TRUTH About Diesel Additives
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YouTubeThe Motor Oil Geek
5:10
Top 5 Best Fuel Injector Cleaner Review in 2026
185.9K viewsDec 17, 2020
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10:47
Best Fuel Injector Cleaner In 2025 - Top 10 Fuel Injector Cleaners Revi…
953.2K viewsApr 15, 2021
YouTubeAuto Gear
10:04
Do You Really Need to Carbon Clean Your Engine? Let's Find Out
1.1M viewsJul 19, 2021
YouTubeScotty Kilmer
6:21
I can't believe what Lucas complete engine treatment did to my engine…
899.4K viewsMar 18, 2020
YouTubeNATES INTERACTIVE AUTO
3:20
STP FUEL INJECTOR CLEANER DAMAGE TEST & REVIEW ON TH…
381.9K viewsMay 18, 2019
YouTubeThe Sportztourer
5:07
Nulon Diesel turbo cleaner fuel additive testing (potentially clogge…
21.6K viewsMar 8, 2021
YouTubeOne up the sleeve customs Automotive
6:29
9 Best Carburetor Cleaner For Small Engines
6K viewsOct 4, 2022
YouTubeAuto V Fix
See more videos
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Shop best engine cleaner additive

Sponsored
About our ads
$16.95
$20.16
Chevron Techron Concentrate Plus Fuel System Cleaner, 20 Oz., Pack Of 1
Amazon.com
14K+
15% off
$16.95
$20.16
Chevron Techron Concentrate Plus Fuel System Cleaner, 20 Oz., Pack Of 1
Amazon.com
14K+
$15.18
Slick 50 Original Engine Treatment | 32 Oz., Single
Amazon.com
631
$15.18
Slick 50 Original Engine Treatment | 32 Oz., Single
Amazon.com
631
$33.99
3D Grand Blast Engine Degreaser - Heavy Duty Biodegradable Cleaner For Engines, Wheels, Exhausts & More - Fast-Acting, Non-Staining - Made In USA - 1
Amazon.com
459
$33.99
3D Grand Blast Engine Degreaser - Heavy Duty Biodegradable Cleaner For Engines, Wheels, Exhausts & More - Fast-Acting, Non-Staining - Made In USA - 1
Amazon.com
459
$57.52
Hot Shot's Secret Diesel Extreme 1 Gallon, Concentrated Fuel System Cleaner, Diesel Fuel Additive, Injector Cleaner - Increases MPG & Restores Engine
Amazon.com
5K+
Free shipping
$57.52
Hot Shot's Secret Diesel Extreme 1 Gallon, Concentrated Fuel System Cleaner, Diesel Fuel Additive, Injector Cleaner - Increases MPG & Restores Engine
Amazon.com
5K+
$37.95
Sea Foam SF-16 Motor Treatment 4-PACK 16 Oz. Cans
Amazon.com
1
Free shipping
$37.95
Sea Foam SF-16 Motor Treatment 4-PACK 16 Oz. Cans
Amazon.com
1
$24.99
Marvel Mystery Oil 53436 Original Motor Treatment, Add To Fuel & Oil For Superior Cleaning, Removes And Prevents Sludge Build Up And Leaks, Extends
Amazon.com
288
$24.99
Marvel Mystery Oil 53436 Original Motor Treatment, Add To Fuel & Oil For Superior Cleaning, Removes And Prevents Sludge Build Up And Leaks, Extends
Amazon.com
288
$16.45
Liqui Moly Engine Flush Plus 300Ml
Amazon.com
4K+
$16.45
Liqui Moly Engine Flush Plus 300Ml
Amazon.com
4K+
$53.50
$63.88
Red Line 60103 SI-1 Complete Fuel System Cleaner, Cleans And Prevents Corrosion In Fuel Systems, Cleans Injectors, Carburetors, Valve And Combustion
Amazon.com
910
Free shipping
16% off
$53.50
$63.88
Red Line 60103 SI-1 Complete Fuel System Cleaner, Cleans And Prevents Corrosion In Fuel Systems, Cleans Injectors, Carburetors, Valve And Combustion
Amazon.com
910
$92.63
STA-BIL Fast Fix - Small Engine Treatment, Cleans Carburetors & Injectors, Fixes Rough Running Engines, Eliminates Water, Carb Cleaner & Fuel Injector
Amazon.com
2
Free shipping
$92.63
STA-BIL Fast Fix - Small Engine Treatment, Cleans Carburetors & Injectors, Fixes Rough Running Engines, Eliminates Water, Carb Cleaner & Fuel Injector
Amazon.com
2
$78.75
$114.99
Hot Shot's Secret Original Stiction Eliminator - For All Vehicles, Gas & Diesel Oil Additive, Reduces Wear, Restores Power & Protects Injectors,
Amazon.com
2
Free shipping
31% off
$78.75
$114.99
Hot Shot's Secret Original Stiction Eliminator - For All Vehicles, Gas & Diesel Oil Additive, Reduces Wear, Restores Power & Protects Injectors,
Amazon.com
2
$10.53
Lucas Oil 16Oz Complete Engine Treatment
USA Fleet Supply
$10.53
Lucas Oil 16Oz Complete Engine Treatment
USA Fleet Supply
$7.99
Rislone High Mileage Engine Treatment Conditioner And Cleaner, 16.9 Oz, 4102
Advance Auto Parts
1K+
$7.99
Rislone High Mileage Engine Treatment Conditioner And Cleaner, 16.9 Oz, 4102
Advance Auto Parts
1K+
$55.99
Marvel Mystery Oil 013R Gas And Oil Additive, 1 Qt, Plastic Bottle
IndustrialSafety.com
1K+
$55.99
Marvel Mystery Oil 013R Gas And Oil Additive, 1 Qt, Plastic Bottle
IndustrialSafety.com
1K+
$10.30
Sea Foam Gasoline/2 And 4 Cycle Engine Lubricant Cleaner 12 Oz
MRO Supreme
328
$10.30
Sea Foam Gasoline/2 And 4 Cycle Engine Lubricant Cleaner 12 Oz
MRO Supreme
328
$7.19
Liqui Moly Jectron Fuel Injection Cleaner (300Ml Can) - Lm2007
GenRacer
$7.19
Liqui Moly Jectron Fuel Injection Cleaner (300Ml Can) - Lm2007
GenRacer
$16.79
Red Line Engine Break-In Additive, 16 Ounce Bottle
Pegasus Auto Racing Supplies
187
$16.79
Red Line Engine Break-In Additive, 16 Ounce Bottle
Pegasus Auto Racing Supplies
187
$14.14
Lucas Oil 16 Oz Deep Clean Fuel System Cleaner
USA Fleet Supply
989
$14.14
Lucas Oil 16 Oz Deep Clean Fuel System Cleaner
USA Fleet Supply
989
$546.44
Seafoam Fuel System Cleaner: Motor Treatment, Fuel System Cleaner, 1 Gal Container Size Model: SF000128
Grainger
100
$546.44
Seafoam Fuel System Cleaner: Motor Treatment, Fuel System Cleaner, 1 Gal Container Size Model: SF000128
Grainger
100