Shop Engine Cleaning Additive

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$19.74
Rislone 4784 DEF Crystal Clean™ Diesel DEF & SCR Emissions System Cleaner, 11.8 Oz
Amazon.com
136
$19.74
Rislone 4784 DEF Crystal Clean™ Diesel DEF & SCR Emissions System Cleaner, 11.8 Oz
Amazon.com
136
$13.67
Slick 50 Original Engine Treatment | 32 Oz., Single
Amazon.com
631
$13.67
Slick 50 Original Engine Treatment | 32 Oz., Single
Amazon.com
631
$32.80
STAR BRITE Star Tron Enzyme Fuel Treatment - Concentrated Formula 32 Fl. Oz. - Treats Up To 512 Gallons - Fuel Stabilizer & Treatment, Gasoline
Amazon.com
3K+
$32.80
STAR BRITE Star Tron Enzyme Fuel Treatment - Concentrated Formula 32 Fl. Oz. - Treats Up To 512 Gallons - Fuel Stabilizer & Treatment, Gasoline
Amazon.com
3K+
$59.99
Hot Shot's Secret STICTION ELIMINATOR Engine Oil Additive - 64 OZ
D&J Precision Machine
$59.99
Hot Shot's Secret STICTION ELIMINATOR Engine Oil Additive - 64 OZ
D&J Precision Machine
$102.48
Mos2 Anti-Friction Engine Treatment (Case Of 12) - Liqui Moly Lm2009kt
GenRacer
$102.48
Mos2 Anti-Friction Engine Treatment (Case Of 12) - Liqui Moly Lm2009kt
GenRacer
$7.99
Rislone Engine Treatment Conditioner And Cleaner, 16.9 Oz, 4102
Advance Auto Parts
$7.99
Rislone Engine Treatment Conditioner And Cleaner, 16.9 Oz, 4102
Advance Auto Parts
$7.19
Liqui Moly Jectron Fuel Injection Cleaner (300Ml Can) - Lm2007
GenRacer
$7.19
Liqui Moly Jectron Fuel Injection Cleaner (300Ml Can) - Lm2007
GenRacer
$19.49
Hot Shot's Secret STICTION ELIMINATOR Engine Oil Additive- 16 OZ
D&J Precision Machine
$19.49
Hot Shot's Secret STICTION ELIMINATOR Engine Oil Additive- 16 OZ
D&J Precision Machine
$7.99
Motor Medic Hi-Mileage Engine Flush 32 OZ Liquid, MF3
Advance Auto Parts
194
$7.99
Motor Medic Hi-Mileage Engine Flush 32 OZ Liquid, MF3
Advance Auto Parts
194
$6.19
Liqui Moly Speed Tec Gasoline Additive (250Ml) - Lm20234
GenRacer
$6.19
Liqui Moly Speed Tec Gasoline Additive (250Ml) - Lm20234
GenRacer
$10.99
LIQUI MOLY Mos2 Anti-Friction Engine Treatment For All Sliding Surfaces, 2009
Advance Auto Parts
4K+
$10.99
LIQUI MOLY Mos2 Anti-Friction Engine Treatment For All Sliding Surfaces, 2009
Advance Auto Parts
4K+
$8.79
Liqui-Moly Mos2 Anti Friction Engine Treatment - 300Ml: A Dry, Solid Lubricant For Ultimate Protection
ECS Tuning
4K+
$8.79
Liqui-Moly Mos2 Anti Friction Engine Treatment - 300Ml: A Dry, Solid Lubricant For Ultimate Protection
ECS Tuning
4K+
$2.99
$7.89
Nuytghr Engine System Cleaner | Professional Engine Cleaner | Engine Friction Reducer, Oil System Additive, Combustion Chamber Cleaner, Engine Lubrication Booster For Vehicles(60ML)
vz.fortecolchoes.com
62% off
$2.99
$7.89
Nuytghr Engine System Cleaner | Professional Engine Cleaner | Engine Friction Reducer, Oil System Additive, Combustion Chamber Cleaner, Engine Lubrication Booster For Vehicles(60ML)
vz.fortecolchoes.com
$39.99
Hot Shot's Secret DIESEL EXTREME Injector Cleaner & Cetane Boost - 64 OZ
D&J Precision Machine
$39.99
Hot Shot's Secret DIESEL EXTREME Injector Cleaner & Cetane Boost - 64 OZ
D&J Precision Machine
$6.36
Rislone 4102 Engine Treatment Automotive Additive, 16.9 Oz
Walmart
29
$6.36
Rislone 4102 Engine Treatment Automotive Additive, 16.9 Oz
Walmart
29
$9.98
Sea Foam 16-Oz 2-Cycle Or 4-Cycle Engines Fuel Additive One_Size | SF16
Lowe's
1K+
$9.98
Sea Foam 16-Oz 2-Cycle Or 4-Cycle Engines Fuel Additive One_Size | SF16
Lowe's
1K+
$65.97
$131.94
Car Engine Bay Cleaner & Powerful Decontaminant - 500Ml | Uplift Essentials
Inspire Uplift
Free shipping
50% off
$65.97
$131.94
Car Engine Bay Cleaner & Powerful Decontaminant - 500Ml | Uplift Essentials
Inspire Uplift
Free shipping
$19.99
20312 - Liqui-Moly Pro-Line Jetclean Gasoline System Cleaner Concentrate - 500 Ml: Designed To Clean The Vehicles Fuel Injection System Flawlessly
ECS Tuning
1
$19.99
20312 - Liqui-Moly Pro-Line Jetclean Gasoline System Cleaner Concentrate - 500 Ml: Designed To Clean The Vehicles Fuel Injection System Flawlessly
ECS Tuning
1
$9.99
STA-BIL Small Engine Pro Ethanol Multi-System Additive 16 Fl. Oz.
Ace Hardware
805
$9.99
STA-BIL Small Engine Pro Ethanol Multi-System Additive 16 Fl. Oz.
Ace Hardware
805
$29.49
Mercury - Quickleen Engine And Fuel System Cleaner | Fuel Care System
Parts Vu
34
$29.49
Mercury - Quickleen Engine And Fuel System Cleaner | Fuel Care System
Parts Vu
34
$23.99
Liqui-Moly Oil Change Additive Package - Proline Engine Flush And Mos2 Anti Friction Oil Treatment: This Two-Step Kit Features A Flushing Additive ...
Turner Motorsport
$23.99
Liqui-Moly Oil Change Additive Package - Proline Engine Flush And Mos2 Anti Friction Oil Treatment: This Two-Step Kit Features A Flushing Additive ...
Turner Motorsport
$10.55
Yamaha ACC-ENGCL-NR-00 - Yamalube External Engine Cleaner & Degreaser - 12 Oz. Spray Can
Yamaha Online Parts
$10.55
Yamaha ACC-ENGCL-NR-00 - Yamalube External Engine Cleaner & Degreaser - 12 Oz. Spray Can
Yamaha Online Parts
$10.88
Sea Foam SS14 Top Engine Cleaner & Lube Spray - 12 Oz - Removes Harmful Deposits, For 2 & 4 Stroke Gasoline Engines
RVupgradestore
349
$10.88
Sea Foam SS14 Top Engine Cleaner & Lube Spray - 12 Oz - Removes Harmful Deposits, For 2 & 4 Stroke Gasoline Engines
RVupgradestore
349
$46.99
Liqui-Moly Proline Engine Flush And Cera Tec Oil Treatment - Oil Change Additive Package: Not To Be Used With Liqui Moly Molygen Engine Oil - ...
Turner Motorsport
$46.99
Liqui-Moly Proline Engine Flush And Cera Tec Oil Treatment - Oil Change Additive Package: Not To Be Used With Liqui Moly Molygen Engine Oil - ...
Turner Motorsport
$10.99
Yamalube External Engine Cleaner | 12 Oz. | ACC-ENGCL-NR-00
Chaparral Motorsports
$10.99
Yamalube External Engine Cleaner | 12 Oz. | ACC-ENGCL-NR-00
Chaparral Motorsports
$33.98
Mercury Quickleen Engine And Fuel System Cleaner 12Oz. - 92-8M0047931
Parts Vu
$33.98
Mercury Quickleen Engine And Fuel System Cleaner 12Oz. - 92-8M0047931
Parts Vu
$23.43
Rislone Cat Complete Fuel, Exhaust & Emissions System Cleaner, 16.9 Oz
Walmart
52
$23.43
Rislone Cat Complete Fuel, Exhaust & Emissions System Cleaner, 16.9 Oz
Walmart
52
$11.99
Seafoam SF-16: Seafoam Motor Treatment
Summit Racing
30
$11.99
Seafoam SF-16: Seafoam Motor Treatment
Summit Racing
30
$35.50
R B L Products 12027-1 | Foaming Engine Cleaner/ 1 Gallon | Auto Tool World
AutoToolWorld.com
$35.50
R B L Products 12027-1 | Foaming Engine Cleaner/ 1 Gallon | Auto Tool World
AutoToolWorld.com
$95.84
Mathy M Engine Oil Additive (500 Ml) Wear Protection & Cleaning For Engines Of All Types Engine Oil Additive For Di
Everymarket INC
$95.84
Mathy M Engine Oil Additive (500 Ml) Wear Protection & Cleaning For Engines Of All Types Engine Oil Additive For Di
Everymarket INC
$15.99
2032 - Liqui-Moly Pro-Line Diesel Cleaner - 500Ml: Cleans The Injection System And Combustion Chamber While Increasing Cetane Number For VW, Audi,
ECS Tuning
$15.99
2032 - Liqui-Moly Pro-Line Diesel Cleaner - 500Ml: Cleans The Injection System And Combustion Chamber While Increasing Cetane Number For VW, Audi,
ECS Tuning
$14.50
Lucas Oil Fuel Treatment, 1 Quart
Hydraulic Cylinders
$14.50
Lucas Oil Fuel Treatment, 1 Quart
Hydraulic Cylinders
$46.59
Liqui Moly Mos2 Anti-Friction Engine Treatment | 300 Ml | Oil Additive
eBay
Free shipping
$46.59
Liqui Moly Mos2 Anti-Friction Engine Treatment | 300 Ml | Oil Additive
eBay
Free shipping
$10.99
Lucas Oil 10016-1: Lucas Complete Engine Treatment
Summit Racing
2
$10.99
Lucas Oil 10016-1: Lucas Complete Engine Treatment
Summit Racing
2
$12.08
Sea Foam 16-Oz 2-Cycle Or 4-Cycle Engines Fuel Additive One_Size | HM16
Lowe's
180
$12.08
Sea Foam 16-Oz 2-Cycle Or 4-Cycle Engines Fuel Additive One_Size | HM16
Lowe's
180
$102.34
Carburetor & Valve Cleaner Petrol Additive Treatment Mtx, Removes Carbon Build Up, Improves Engine Performance, 3x300m
Everymarket INC
$102.34
Carburetor & Valve Cleaner Petrol Additive Treatment Mtx, Removes Carbon Build Up, Improves Engine Performance, 3x300m
Everymarket INC
Fuel Additives & Injector Cleaner - Explained
6:06
Fuel Additives & Injector Cleaner - Explained
2.2M viewsOct 5, 2014
YouTubeEngineering Explained
STP FUEL INJECTOR CLEANER DAMAGE TEST & REVIEW ON THE DOMINAR 400, HOW TO USE FUEL ADDITIVE
3:20
STP FUEL INJECTOR CLEANER DAMAGE TEST & REVIEW ON THE DOMINAR 400, HOW TO USE FUEL ADDITIVE
383.9K viewsMay 18, 2019
YouTubeThe Sportztourer
LIQUI MOLY Gasoline Fuel System Additives Explained (Pro-Line, Jectron, Valve Clean)
9:16
LIQUI MOLY Gasoline Fuel System Additives Explained (Pro-Line, Jectron, Valve Clean)
205.8K viewsMar 22, 2022
YouTubeFCP Euro
Fuel Injection cleaning in less than 5 Minutes/HOW TO clean injection Directly without disassembling
4:42
Fuel Injection cleaning in less than 5 Minutes/HOW TO clean injection Directly without disassembling
1.6M viewsDec 25, 2021
YouTubeAliMECH
LIQUI MOLY Diesel Engine System Cleaner (21491) EN
1:39
LIQUI MOLY Diesel Engine System Cleaner (21491) EN
427K viewsMay 27, 2021
YouTubeLIQUI MOLY
Carb Cleaners and Fuel Additives: What Works?
22:53
Carb Cleaners and Fuel Additives: What Works?
192.6K viewsJun 18, 2017
YouTubeTheMotorcycleMD
How to Clean a Diesel Engine - Like a Professional
6:39
How to Clean a Diesel Engine - Like a Professional
579.2K viewsOct 16, 2013
YouTubeYourCarAngel
13:47
18 Engine Additives That Actually Work (Plus 7 That'll DESTROY Your Engine)
1.4K views9 months ago
YouTubeYour Motor Care
4:08
How to clean a gasoline fuel injection air intake with Sea Foam Spray
1.8M viewsNov 5, 2015
YouTubeSea Foam Official
23:15
13 Fuel Additives Mechanics Don’t Want You to Know
601.1K views9 months ago
YouTubeCar Care Clues
5:11
The Truth About Using Fuel Additives in Your Car
430.4K viewsFeb 7, 2019
YouTubeScotty Kilmer
10:35
10 Fuel Additives That Are GOOD for Your Engine (Mechanics Don’t Want You to Know)
39.3K views9 months ago
YouTubeCar Care Pro
12:12
7 Fuel Additives Mechanics Don’t Want You to Know
34K views10 months ago
YouTubeTorque Tactics
1:08
Stacey David explains the importance of diesel fuel additives
167.1K viewsSep 11, 2018
YouTubeHot Shot's Secret
2:15
Seafoam intake valve cleaning NEVER before!
147.8K viewsJun 22, 2019
YouTubeNATES INTERACTIVE AUTO
5:20
Red line fuel system cleaner did this to my engine!
269K viewsFeb 2, 2019
YouTubeNATES INTERACTIVE AUTO
1:50
How to Use Fuel Injector Cleaner
720.6K viewsJul 5, 2022
YouTubeAutoZone
3:11
One Product to Rule Them All: Fix Check Engine Light, Clean Clogged Catalytic & Optimize Fuel System
181.1K viewsFeb 25, 2021
YouTubeRislone
10:07
The Fuel Additive Mechanics Don’t Want You to Know
606.5K viewsJan 29, 2024
YouTubeScotty Kilmer
2:14
SEAFOAM Additive : When to ADD Motor Treatment to Gasoline (Near Empty OR Full Gas Tank)
28.2K viewsApr 6, 2023
YouTubeHelping Hermit
7:51
best cleaning additive for valves
23.5K viewsOct 10, 2018
YouTubeNATES INTERACTIVE AUTO
4:18
The BEST ADDITIVES for Your Diesel Engine!
104.1K viewsJul 18, 2021
YouTubeECS Tuning
10:33
The Fuel Additive Mechanics Don’t Want You to Know (This Will Save You Thousands in Car Repairs)
637.2K viewsJan 20, 2025
YouTubeScotty Kilmer
2:34
How to Clean Fuel Injectors in Your Car (Without Removal)
5.1M viewsSep 21, 2008
YouTubeScotty Kilmer
2:33
LIQUI MOLY Pro-Line Intake System Cleaner Diesel (#5168) EN
301.6K viewsJun 15, 2018
YouTubeLIQUI MOLY
5:03
Stp fuel system cleaner did the impossible!
2.3M viewsOct 5, 2019
YouTubeNATES INTERACTIVE AUTO
12:45
The New Additive Mechanics Don’t Want You to Know (This Will Save You Thousands in Car Repairs)
405.7K views7 months ago
YouTubeScotty Kilmer
11:31
People Say I'm Full of Crap About Fuel Additives, Well Watch This
9.3M viewsOct 1, 2021
YouTubeScotty Kilmer
19:54
13 Engine Additives That Work (And 5 That’ll Kill Your Car)
911.6K views10 months ago
YouTubeCar Care Clues
15:56
I Tried Engine Flush Additives Before an Oil Change — One Clear Winner
16.5K views4 months ago
YouTubeAuto Care Pro
See more

Shop Engine Cleaning Additive

Sponsored
About our ads
$19.74
Rislone 4784 DEF Crystal Clean™ Diesel DEF & SCR Emissions System Cleaner, 11.8 Oz
Amazon.com
136
$19.74
Rislone 4784 DEF Crystal Clean™ Diesel DEF & SCR Emissions System Cleaner, 11.8 Oz
Amazon.com
136
$13.67
Slick 50 Original Engine Treatment | 32 Oz., Single
Amazon.com
631
$13.67
Slick 50 Original Engine Treatment | 32 Oz., Single
Amazon.com
631
$32.80
STAR BRITE Star Tron Enzyme Fuel Treatment - Concentrated Formula 32 Fl. Oz. - Treats Up To 512 Gallons - Fuel Stabilizer & Treatment, Gasoline
Amazon.com
3K+
$32.80
STAR BRITE Star Tron Enzyme Fuel Treatment - Concentrated Formula 32 Fl. Oz. - Treats Up To 512 Gallons - Fuel Stabilizer & Treatment, Gasoline
Amazon.com
3K+
$59.99
Hot Shot's Secret STICTION ELIMINATOR Engine Oil Additive - 64 OZ
D&J Precision Machine
$59.99
Hot Shot's Secret STICTION ELIMINATOR Engine Oil Additive - 64 OZ
D&J Precision Machine
$102.48
Mos2 Anti-Friction Engine Treatment (Case Of 12) - Liqui Moly Lm2009kt
GenRacer
$102.48
Mos2 Anti-Friction Engine Treatment (Case Of 12) - Liqui Moly Lm2009kt
GenRacer
$7.99
Rislone Engine Treatment Conditioner And Cleaner, 16.9 Oz, 4102
Advance Auto Parts
$7.99
Rislone Engine Treatment Conditioner And Cleaner, 16.9 Oz, 4102
Advance Auto Parts
$7.19
Liqui Moly Jectron Fuel Injection Cleaner (300Ml Can) - Lm2007
GenRacer
$7.19
Liqui Moly Jectron Fuel Injection Cleaner (300Ml Can) - Lm2007
GenRacer
$19.49
Hot Shot's Secret STICTION ELIMINATOR Engine Oil Additive- 16 OZ
D&J Precision Machine
$19.49
Hot Shot's Secret STICTION ELIMINATOR Engine Oil Additive- 16 OZ
D&J Precision Machine
$7.99
Motor Medic Hi-Mileage Engine Flush 32 OZ Liquid, MF3
Advance Auto Parts
194
$7.99
Motor Medic Hi-Mileage Engine Flush 32 OZ Liquid, MF3
Advance Auto Parts
194
$6.19
Liqui Moly Speed Tec Gasoline Additive (250Ml) - Lm20234
GenRacer
$6.19
Liqui Moly Speed Tec Gasoline Additive (250Ml) - Lm20234
GenRacer
$10.99
LIQUI MOLY Mos2 Anti-Friction Engine Treatment For All Sliding Surfaces, 2009
Advance Auto Parts
4K+
$10.99
LIQUI MOLY Mos2 Anti-Friction Engine Treatment For All Sliding Surfaces, 2009
Advance Auto Parts
4K+
$8.79
Liqui-Moly Mos2 Anti Friction Engine Treatment - 300Ml: A Dry, Solid Lubricant For Ultimate Protection
ECS Tuning
4K+
$8.79
Liqui-Moly Mos2 Anti Friction Engine Treatment - 300Ml: A Dry, Solid Lubricant For Ultimate Protection
ECS Tuning
4K+
$2.99
$7.89
Nuytghr Engine System Cleaner | Professional Engine Cleaner | Engine Friction Reducer, Oil System Additive, Combustion Chamber Cleaner, Engine Lubrication Booster For Vehicles(60ML)
vz.fortecolchoes.com
62% off
$2.99
$7.89
Nuytghr Engine System Cleaner | Professional Engine Cleaner | Engine Friction Reducer, Oil System Additive, Combustion Chamber Cleaner, Engine Lubrication Booster For Vehicles(60ML)
vz.fortecolchoes.com
$39.99
Hot Shot's Secret DIESEL EXTREME Injector Cleaner & Cetane Boost - 64 OZ
D&J Precision Machine
$39.99
Hot Shot's Secret DIESEL EXTREME Injector Cleaner & Cetane Boost - 64 OZ
D&J Precision Machine
$6.36
Rislone 4102 Engine Treatment Automotive Additive, 16.9 Oz
Walmart
29
$6.36
Rislone 4102 Engine Treatment Automotive Additive, 16.9 Oz
Walmart
29
$9.98
Sea Foam 16-Oz 2-Cycle Or 4-Cycle Engines Fuel Additive One_Size | SF16
Lowe's
1K+
$9.98
Sea Foam 16-Oz 2-Cycle Or 4-Cycle Engines Fuel Additive One_Size | SF16
Lowe's
1K+
$65.97
$131.94
Car Engine Bay Cleaner & Powerful Decontaminant - 500Ml | Uplift Essentials
Inspire Uplift
Free shipping
50% off
$65.97
$131.94
Car Engine Bay Cleaner & Powerful Decontaminant - 500Ml | Uplift Essentials
Inspire Uplift
Free shipping
$19.99
20312 - Liqui-Moly Pro-Line Jetclean Gasoline System Cleaner Concentrate - 500 Ml: Designed To Clean The Vehicles Fuel Injection System Flawlessly
ECS Tuning
1
$19.99
20312 - Liqui-Moly Pro-Line Jetclean Gasoline System Cleaner Concentrate - 500 Ml: Designed To Clean The Vehicles Fuel Injection System Flawlessly
ECS Tuning
1