Shop best engine cleaner additive

Sponsored
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$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+
$13.49
$14.99
Quicksilver Quickleen Engine And Fuel System Cleaner, Size 12 Oz | Overton's
Overton's
392
10% off
$13.49
$14.99
Quicksilver Quickleen Engine And Fuel System Cleaner, Size 12 Oz | Overton's
Overton's
392
$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+
$19.49
Hot Shot's Secret STICTION ELIMINATOR Engine Oil Additive- 16 OZ
D&J Precision Machine
3K+
$19.49
Hot Shot's Secret STICTION ELIMINATOR Engine Oil Additive- 16 OZ
D&J Precision Machine
3K+
$12.49
Lucas Oil Products Deep Clean Fuel System Cleaner: Gas, Increases Miles Per Gallon, Cleans Engine, 16 Oz, 10512
Advance Auto Parts
1K+
$12.49
Lucas Oil Products Deep Clean Fuel System Cleaner: Gas, Increases Miles Per Gallon, Cleans Engine, 16 Oz, 10512
Advance Auto Parts
1K+
$8.99
Lucas Oil Products Deep Clean Fuel System Cleaner: Gas, Increases Miles Per Gallon, Cleans Engine, 5.25 Oz, 10669
Advance Auto Parts
1K+
$8.99
Lucas Oil Products Deep Clean Fuel System Cleaner: Gas, Increases Miles Per Gallon, Cleans Engine, 5.25 Oz, 10669
Advance Auto Parts
1K+
$7.00
Sea Foam 16 Oz. Engine Treatment/Additive
Mc Mu
$7.00
Sea Foam 16 Oz. Engine Treatment/Additive
Mc Mu
$21.99
Star Brite Tron Enzyme Gasoline Additive, Size 32 Oz | Overton's
Overton's
485
$21.99
Star Brite Tron Enzyme Gasoline Additive, Size 32 Oz | Overton's
Overton's
485
$59.99
Hot Shot's Secret STICTION ELIMINATOR Engine Oil Additive - 64 OZ
D&J Precision Machine
3K+
$59.99
Hot Shot's Secret STICTION ELIMINATOR Engine Oil Additive - 64 OZ
D&J Precision Machine
3K+
$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
$16.79
Red Line Engine Break-In Additive, 16 Ounce Bottle
Pegasus Auto Racing Supplies
188
$16.79
Red Line Engine Break-In Additive, 16 Ounce Bottle
Pegasus Auto Racing Supplies
188
$9.99
Sea Foam Motor Treatment
Cabela's
5K+
$9.99
Sea Foam Motor Treatment
Cabela's
5K+
$37.99
[1 Gallon] Concentrated Salt Remover + Corrosion Protection - Made In USA, Salt Cleaner Ideal For Boats, Cars, Marine Engine & Outboard Motor Flush,
Amazon.com
47
Free shipping
$37.99
[1 Gallon] Concentrated Salt Remover + Corrosion Protection - Made In USA, Salt Cleaner Ideal For Boats, Cars, Marine Engine & Outboard Motor Flush,
Amazon.com
47
$10.98
Lucas Oil Products 16 Fluid Ounce(S) Engine Treatment | LUCA10016
Lowe's
9
$10.98
Lucas Oil Products 16 Fluid Ounce(S) Engine Treatment | LUCA10016
Lowe's
9
$107.99
Slick 50 Original Engine Treatment | 32 Oz., 6-Pack
Amazon.com
498
Free shipping
$107.99
Slick 50 Original Engine Treatment | 32 Oz., 6-Pack
Amazon.com
498
$30.25
Liqui Moly Mos2 Anti-Friction Engine Treatment | 300 Ml | Oil Additive
eBay
54
Free shipping
$30.25
Liqui Moly Mos2 Anti-Friction Engine Treatment | 300 Ml | Oil Additive
eBay
54
$38.98
$50.67
Sea Foam 1 Gal Motor Treatment
Cheekyhost USA
23% off
$38.98
$50.67
Sea Foam 1 Gal Motor Treatment
Cheekyhost USA
$34.13
Liqui Moly Mos2 Anti-Friction Engine Treatment | 300 Ml | Oil Additive
eBay
55
Free shipping
$34.13
Liqui Moly Mos2 Anti-Friction Engine Treatment | 300 Ml | Oil Additive
eBay
55
$73.79
True Brand Engine Clean
Santie Wholesale Oil Company
$73.79
True Brand Engine Clean
Santie Wholesale Oil Company
$7.95
Liqui Moly Engine Oil Additive 80Ml - 20196 | Speedaddicts.Com
Speed Addicts
2
$7.95
Liqui Moly Engine Oil Additive 80Ml - 20196 | Speedaddicts.Com
Speed Addicts
2
$14.61
Sea Foam Motor Treatment SF-16 - 12223
Mowpart.com
5K+
$14.61
Sea Foam Motor Treatment SF-16 - 12223
Mowpart.com
5K+
$16.99
Mercury - Quickleen Engine And Fuel System Cleaner | Fuel Care System
Parts Vu
738
$16.99
Mercury - Quickleen Engine And Fuel System Cleaner | Fuel Care System
Parts Vu
738
$26.99
Bronco Sport Cataclean Fuel And Exhaust System Cleaner 16 Oz. 120007
Extreme Terrain
$26.99
Bronco Sport Cataclean Fuel And Exhaust System Cleaner 16 Oz. 120007
Extreme Terrain
$53.89
$70.06
Sea Foam Motor Treatment - 1 Gallon SF128
efazzac
23% off
$53.89
$70.06
Sea Foam Motor Treatment - 1 Gallon SF128
efazzac
$13.99
Quicksilver Z Quickleen Engine &Fuel System Cleaner
Cabela's
2
$13.99
Quicksilver Z Quickleen Engine &Fuel System Cleaner
Cabela's
2
$4.10
Motormedic 14 Oz. Engine Treatment/Additive
Mc Mu
$4.10
Motormedic 14 Oz. Engine Treatment/Additive
Mc Mu
$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
$15.99
Quicksilver Power Tune Internal Engine Cleaner - 12Oz
PHD Tackle
$15.99
Quicksilver Power Tune Internal Engine Cleaner - 12Oz
PHD Tackle
$21.84
Sea Foam SEASF16 Engine Treatment Additive 16 Oz
Voomi Supply
5K+
$21.84
Sea Foam SEASF16 Engine Treatment Additive 16 Oz
Voomi Supply
5K+
$140.69
Lucas Oil 10003 Fuel Treatment Cleaner 1 Quart For Gasoline Or Diesel
eBay
Free shipping
$140.69
Lucas Oil 10003 Fuel Treatment Cleaner 1 Quart For Gasoline Or Diesel
eBay
Free shipping
$95.82
Dura Lube Engine Treatment | 32 Oz., 6-Pack
Amazon.com
465
Free shipping
$95.82
Dura Lube Engine Treatment | 32 Oz., 6-Pack
Amazon.com
465
$38.76
Multi Purpose Cleaner And Degreaser Additive - CRC Ozzybooster
Sierra Madre Collection
$38.76
Multi Purpose Cleaner And Degreaser Additive - CRC Ozzybooster
Sierra Madre Collection
$16.25
Motor Medic M1815 Engine Treatment Additive 14 Oz
Voomi Supply
$16.25
Motor Medic M1815 Engine Treatment Additive 14 Oz
Voomi Supply
$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
$18.97
Carb Defender - Carburetor Cleaner Fuel Additive | 1
Driven Racing Oil LLC
9
$18.97
Carb Defender - Carburetor Cleaner Fuel Additive | 1
Driven Racing Oil LLC
9
$3.95
Gunk 17 Oz. Aerosol Foamy Engine Cleaner (California Compliant)
Mc Mu
$3.95
Gunk 17 Oz. Aerosol Foamy Engine Cleaner (California Compliant)
Mc Mu
Best Diesel Injector Cleaners to Increase Your Engine's Performance
6:03
Best Diesel Injector Cleaners to Increase Your Engine's Performance
12.9K viewsAug 11, 2022
YouTubeThe Tools World
Top 10 Best Engine Cleaner (2025)
9:56
Top 10 Best Engine Cleaner (2025)
7.4K viewsApr 19, 2022
YouTubeAuto Gear
Best Engine Oil Treatments | Top 5 Engine Oil Additives Reviewed | Aautomotives
5:17
Best Engine Oil Treatments | Top 5 Engine Oil Additives Reviewed | A…
4 views2 months ago
YouTubeAautomotives
Engine Cleaner: Top 5 Best Engine Cleaners [2022]
5:03
Engine Cleaner: Top 5 Best Engine Cleaners [2022]
47.3K viewsSep 5, 2022
YouTubeAutomotive Care
Top 5 Best Engine Flush Cleaners [Review] - High Mileage Engine Flush/Engine Restorer [2026]
4:07
Top 5 Best Engine Flush Cleaners [Review] - High Mileage Engine Fl…
5.7K viewsAug 14, 2022
YouTubeAutos Square
The BEST ADDITIVES for Your Diesel Engine!
4:18
The BEST ADDITIVES for Your Diesel Engine!
96.1K viewsJul 18, 2021
YouTubeECS Tuning
7 Engine Additives That Actually Work Mechanic Approved
4:57
7 Engine Additives That Actually Work Mechanic Approved
427 views5 months ago
YouTubeThe Car Vaults
1:39
LIQUI MOLY Diesel Engine System Cleaner (21491) EN
419.1K viewsMay 27, 2021
YouTubeLIQUI MOLY
19:54
13 Engine Additives That Work (And 5 That’ll Kill Your Car)
897.2K views6 months ago
YouTubeCar Care Clues
12:58
15 Engine Additives That Work (& 9 That'll Kill Your Car)
227 views4 weeks ago
YouTubeGearhead Lab
9:12
11 Engine Additives That Actually Work And 5 That Can Kill Your En…
719 views1 month ago
YouTubeMyCarKnowledge
4:37
10 Best Engine Additives! That Actually Work-[Mechanics Don’t …
683 views3 months ago
YouTubeConsumer Side
13:47
18 Engine Additives That Actually Work (Plus 7 That'll DESTROY Yo…
1.4K views5 months ago
YouTubeYour Motor Care
13:45
LIQUI MOLY Additives Explained - (Engine Flush, Injection Cleaner, …
1M viewsNov 26, 2019
YouTubeFCP Euro
7:37
Engine Oil Additives to Improve Engine Life
50.2K viewsJul 11, 2021
YouTubeECS Tuning
6:26
Best Diesel Injector Cleaners 2025 - Top 4 Picks
39.3K viewsMay 29, 2022
YouTubeautoNmoto
15:56
I Tried Engine Flush Additives Before an Oil Change — One Clea…
3.7K views3 weeks ago
YouTubeAuto Care Pro
7:23
Best Engine Oil Additives | Top 5 Engine Oil Additive Review
11.2K viewsSep 13, 2023
YouTubeAutomotiver Point
Top 10 Engine Additives That Actually Work (and 5 That Don’t)
784 views6 months ago
YouTubeThe Auto Brains
19:16
12 Engine Additives That Work (And 5 That’ll Kill Your Car)
1.5K views4 months ago
YouTubeFour-Wheel Truth
5:53
Best Oil Additives In 2023 | Top 5 Oil Additives For Your Car
83.6K viewsFeb 27, 2023
YouTubeAutomotiver Point
13:13
12 Engine Additives That Work (And 4 That'll KILL Your Car)
5 months ago
YouTubeCar Life
1:08
Stiction Eliminator Engine Oil Additive
39.1K viewsJul 23, 2019
YouTubeHot Shot's Secret
Engine Flush: Is It Good or Bad for Your Engine? (Plus See How To D…
Nov 26, 2018
amsoil.com
20:18
Best Carbon Buildup Cleaner for Engines, CRC GDI vs SeaFoam vs …
383.5K viewsApr 12, 2019
YouTubeEVERY DAY I RACE
7:31
13 Engine Additives That Work (And 5 That’ll Kill Your Car)
781 views5 months ago
YouTubeGear Specs
11:50
12 Engine Additives That Work | 5 That’ll kill Your Car
3.5K views3 months ago
YouTubeZYNTRIC
15:48
13 Engine Additives That Work (And 5 That’ll Kill Your Car)
318 views5 months ago
YouTubeMr. Gear Engineer
15:31
The 13 Best Engine Additives Tested… And The 5 Worst To Avoid
3 views3 months ago
YouTubeEngine Instinct
13:10
LA's AWESOME Engine Degreaser. BEST Cleaner for $1!
328.9K viewsFeb 13, 2017
YouTubeBEERS 'n GEARS (Dylan6793)
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Shop best engine cleaner additive

Sponsored
About our ads
$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+
$13.49
$14.99
Quicksilver Quickleen Engine And Fuel System Cleaner, Size 12 Oz | Overton's
Overton's
392
10% off
$13.49
$14.99
Quicksilver Quickleen Engine And Fuel System Cleaner, Size 12 Oz | Overton's
Overton's
392
$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+
$19.49
Hot Shot's Secret STICTION ELIMINATOR Engine Oil Additive- 16 OZ
D&J Precision Machine
3K+
$19.49
Hot Shot's Secret STICTION ELIMINATOR Engine Oil Additive- 16 OZ
D&J Precision Machine
3K+
$12.49
Lucas Oil Products Deep Clean Fuel System Cleaner: Gas, Increases Miles Per Gallon, Cleans Engine, 16 Oz, 10512
Advance Auto Parts
1K+
$12.49
Lucas Oil Products Deep Clean Fuel System Cleaner: Gas, Increases Miles Per Gallon, Cleans Engine, 16 Oz, 10512
Advance Auto Parts
1K+
$8.99
Lucas Oil Products Deep Clean Fuel System Cleaner: Gas, Increases Miles Per Gallon, Cleans Engine, 5.25 Oz, 10669
Advance Auto Parts
1K+
$8.99
Lucas Oil Products Deep Clean Fuel System Cleaner: Gas, Increases Miles Per Gallon, Cleans Engine, 5.25 Oz, 10669
Advance Auto Parts
1K+
$7.00
Sea Foam 16 Oz. Engine Treatment/Additive
Mc Mu
$7.00
Sea Foam 16 Oz. Engine Treatment/Additive
Mc Mu
$21.99
Star Brite Tron Enzyme Gasoline Additive, Size 32 Oz | Overton's
Overton's
485
$21.99
Star Brite Tron Enzyme Gasoline Additive, Size 32 Oz | Overton's
Overton's
485
$59.99
Hot Shot's Secret STICTION ELIMINATOR Engine Oil Additive - 64 OZ
D&J Precision Machine
3K+
$59.99
Hot Shot's Secret STICTION ELIMINATOR Engine Oil Additive - 64 OZ
D&J Precision Machine
3K+
$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
$16.79
Red Line Engine Break-In Additive, 16 Ounce Bottle
Pegasus Auto Racing Supplies
188
$16.79
Red Line Engine Break-In Additive, 16 Ounce Bottle
Pegasus Auto Racing Supplies
188
$9.99
Sea Foam Motor Treatment
Cabela's
5K+
$9.99
Sea Foam Motor Treatment
Cabela's
5K+
$37.99
[1 Gallon] Concentrated Salt Remover + Corrosion Protection - Made In USA, Salt Cleaner Ideal For Boats, Cars, Marine Engine & Outboard Motor Flush,
Amazon.com
47
Free shipping
$37.99
[1 Gallon] Concentrated Salt Remover + Corrosion Protection - Made In USA, Salt Cleaner Ideal For Boats, Cars, Marine Engine & Outboard Motor Flush,
Amazon.com
47
$10.98
Lucas Oil Products 16 Fluid Ounce(S) Engine Treatment | LUCA10016
Lowe's
9
$10.98
Lucas Oil Products 16 Fluid Ounce(S) Engine Treatment | LUCA10016
Lowe's
9
$107.99
Slick 50 Original Engine Treatment | 32 Oz., 6-Pack
Amazon.com
498
Free shipping
$107.99
Slick 50 Original Engine Treatment | 32 Oz., 6-Pack
Amazon.com
498
$30.25
Liqui Moly Mos2 Anti-Friction Engine Treatment | 300 Ml | Oil Additive
eBay
54
Free shipping
$30.25
Liqui Moly Mos2 Anti-Friction Engine Treatment | 300 Ml | Oil Additive
eBay
54
$38.98
$50.67
Sea Foam 1 Gal Motor Treatment
Cheekyhost USA
23% off
$38.98
$50.67
Sea Foam 1 Gal Motor Treatment
Cheekyhost USA
$34.13
Liqui Moly Mos2 Anti-Friction Engine Treatment | 300 Ml | Oil Additive
eBay
55
Free shipping
$34.13
Liqui Moly Mos2 Anti-Friction Engine Treatment | 300 Ml | Oil Additive
eBay
55