Shop best engine cleaner additive

Sponsored
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$13.98
$15.95
Slick 50 Original Engine Treatment | 32 Oz., Single
Amazon.com
610
12% off
$13.98
$15.95
Slick 50 Original Engine Treatment | 32 Oz., Single
Amazon.com
610
$57.96
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
$57.96
Hot Shot's Secret Diesel Extreme 1 Gallon, Concentrated Fuel System Cleaner, Diesel Fuel Additive, Injector Cleaner - Increases MPG & Restores Engine
Amazon.com
5K+
$9.58
Royal Purple Max-Clean 11722 Fuel System Cleaner Automotive Additive, 20 Oz
phapcosmetics.com
2K+
$9.58
Royal Purple Max-Clean 11722 Fuel System Cleaner Automotive Additive, 20 Oz
phapcosmetics.com
2K+
$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+
$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+
$18.52
$21.99
Slick 50 750002 Recharged High Mileage Engine Treatment, 15-Ounce
Amazon.com
983
15% off
$18.52
$21.99
Slick 50 750002 Recharged High Mileage Engine Treatment, 15-Ounce
Amazon.com
983
$13.99
Sea Foam High Mileage Motor Treatment Fuel And Oil Additive, For Gas Engines Over 75,000 Miles, 16 Oz, HM16
Advance Auto Parts
720
$13.99
Sea Foam High Mileage Motor Treatment Fuel And Oil Additive, For Gas Engines Over 75,000 Miles, 16 Oz, HM16
Advance Auto Parts
720
$21.99
LIQUI MOLY Pro-Line Engine Flush, 500 Ml, Dissolves Sludge, Lacquer, And Contaminants, 2037
Advance Auto Parts
27
$21.99
LIQUI MOLY Pro-Line Engine Flush, 500 Ml, Dissolves Sludge, Lacquer, And Contaminants, 2037
Advance Auto Parts
27
$19.99
Seafoam Motor Treatment: Motor Treatment, Fuel Injector, 16 Fl Oz Container Size Model: SF16
Grainger
5K+
$19.99
Seafoam Motor Treatment: Motor Treatment, Fuel Injector, 16 Fl Oz Container Size Model: SF16
Grainger
5K+
$10.95
Sea Foam SF-16 Motor Treatment 16 Oz. Bottle
Forestry Suppliers Inc.
4K+
$10.95
Sea Foam SF-16 Motor Treatment 16 Oz. Bottle
Forestry Suppliers Inc.
4K+
$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+
$34.60
Slick 50 Engine Treatment: Synthetic Engine Treatment, 15 Fl Oz Container Size Model: 75001
Grainger
260
$34.60
Slick 50 Engine Treatment: Synthetic Engine Treatment, 15 Fl Oz Container Size Model: 75001
Grainger
260
$7.52
Marvel Mystery Oil Oil Additive: Motor Treatment, 16 Fl Oz Container Size Model: MM12R
Grainger
899
$7.52
Marvel Mystery Oil Oil Additive: Motor Treatment, 16 Fl Oz Container Size Model: MM12R
Grainger
899
$25.41
Sea Foam Motor Treatment And Spray Combo SF SS Automotive Additives, 24 Oz
Walmart
138
Free shipping
$25.41
Sea Foam Motor Treatment And Spray Combo SF SS Automotive Additives, 24 Oz
Walmart
138
$7.00
Sea Foam 16 Oz. Engine Treatment/Additive
Mc Mu
$7.00
Sea Foam 16 Oz. Engine Treatment/Additive
Mc Mu
$4.10
Motormedic 14 Oz. Engine Treatment/Additive
Lougay Shoes
$4.10
Motormedic 14 Oz. Engine Treatment/Additive
Lougay Shoes
$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
$8.50
Lucas Oil 1 Qt. Engine Treatment/Additive
Lougay Shoes
$8.50
Lucas Oil 1 Qt. Engine Treatment/Additive
Lougay Shoes
$12.49
Quicksilver Power Tune Engine Cleaner, Size 12 Oz | Overton's
Overton's
1
$12.49
Quicksilver Power Tune Engine Cleaner, Size 12 Oz | Overton's
Overton's
1
$4.10
Motormedic 14 Oz. Engine Treatment/Additive
Mc Mu
$4.10
Motormedic 14 Oz. Engine Treatment/Additive
Mc Mu
$38.89
$52.11
Slick 50 Engine Treatment Oil Additive Treatment 500Ml 61399500
www.unitylgd.com
25% off
$38.89
$52.11
Slick 50 Engine Treatment Oil Additive Treatment 500Ml 61399500
www.unitylgd.com
$16.79
Red Line Oil Engine Break-In Additive 16Oz.
JEGS High Performance
187
$16.79
Red Line Oil Engine Break-In Additive 16Oz.
JEGS High Performance
187
$14.99
Quicksilver Quickleen Engine And Fuel System Cleaner, Size 12 Oz | Overton's
Overton's
237
$14.99
Quicksilver Quickleen Engine And Fuel System Cleaner, Size 12 Oz | Overton's
Overton's
237
$59.99
Hot Shot's Secret STICTION ELIMINATOR Engine Oil Additive - 64 OZ
D&J Precision Machine
2K+
$59.99
Hot Shot's Secret STICTION ELIMINATOR Engine Oil Additive - 64 OZ
D&J Precision Machine
2K+
$13.42
Seafoam Engine Intake Cleaner & Lube Spray - SS14
Defender Marine
314
$13.42
Seafoam Engine Intake Cleaner & Lube Spray - SS14
Defender Marine
314
$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
$24.75
Sea Foam Ss14 Cleaner And Lube
Walmart
205
Free shipping
$24.75
Sea Foam Ss14 Cleaner And Lube
Walmart
205
$9.46
Liqui Moly - Engine Oil Additive - 250Ml - Engine Flush Shooter - 20050
UtvNut
17
$9.46
Liqui Moly - Engine Oil Additive - 250Ml - Engine Flush Shooter - 20050
UtvNut
17
$15.97
Red Line SI-1 Complete Fuel System Cleaner, 15 Oz Bottle
Pegasus Auto Racing Supplies
5K+
$15.97
Red Line SI-1 Complete Fuel System Cleaner, 15 Oz Bottle
Pegasus Auto Racing Supplies
5K+
$8.07
Gunk Engine Cleaner 17 Oz Liquid Aromatic Milky White FEB1CA
DkHardware.com
28
$8.07
Gunk Engine Cleaner 17 Oz Liquid Aromatic Milky White FEB1CA
DkHardware.com
28
$4.12
Liqui Moly - Engine Oil Additive - 80Ml - Engine Flush Shooter - 20196
UtvNut
2
$4.12
Liqui Moly - Engine Oil Additive - 80Ml - Engine Flush Shooter - 20196
UtvNut
2
$8.92
$10.49
Stp Synthetic Oil Treatment Engine Oil Additive, 15 Fl Oz
Walmart
1
14% off
$8.92
$10.49
Stp Synthetic Oil Treatment Engine Oil Additive, 15 Fl Oz
Walmart
1
$68.98
$89.67
Motorvac Gasoline Engine Cleaner Motorvac Technologies 32 Oz 827-2003
Equfina
23% off
$68.98
$89.67
Motorvac Gasoline Engine Cleaner Motorvac Technologies 32 Oz 827-2003
Equfina
$14.95
Liqui Moly Engine Oil Additive 250Ml - 20050 | Speedaddicts.Com
Speed Addicts
17
$14.95
Liqui Moly Engine Oil Additive 250Ml - 20050 | Speedaddicts.Com
Speed Addicts
17
$12.36
Made In Usa 20 Oz Aerosol Can Automotive Engine Cleaner/Degreaser 20 Oz Aerosol Can Bd1058-1 - 64711658
Penn Tool Co
$12.36
Made In Usa 20 Oz Aerosol Can Automotive Engine Cleaner/Degreaser 20 Oz Aerosol Can Bd1058-1 - 64711658
Penn Tool Co
$10.97
Gunk 32 Oz Spray Bottle Automotive Engine Cleaner/Degreaser Proprietary Formula, Nonflammable Ebt32 - 35716786
Penn Tool Co
20
$10.97
Gunk 32 Oz Spray Bottle Automotive Engine Cleaner/Degreaser Proprietary Formula, Nonflammable Ebt32 - 35716786
Penn Tool Co
20
10 Best Diesel Injector Cleaners of 2025 - Mechanic Base
5:02
10 Best Diesel Injector Cleaners of 2025 - Mechanic Base
10 viewsFeb 12, 2022
mechanicbase.com
Top 5 Best Engine Degreasers 2025 | Powerful & Safe Engine Cleaners
6:01
Top 5 Best Engine Degreasers 2025 | Powerful & Safe Engine Cleaners
1.6K views5 months ago
YouTubePrime Auto
Engine Cleaner: Top 5 Best Engine Cleaners [2022]
5:03
Engine Cleaner: Top 5 Best Engine Cleaners [2022]
47.4K viewsSep 5, 2022
YouTubeAutomotive Care
The BEST ADDITIVES for Your Diesel Engine!
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The BEST ADDITIVES for Your Diesel Engine!
99.4K viewsJul 18, 2021
YouTubeECS Tuning
Top 5 Best Engine Flush Cleaners [Review] - High Mileage Engine Flush/Engine Restorer [2026]
4:07
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5.7K viewsAug 14, 2022
YouTubeAutos Square
Best Engine Oil Treatments | Top 5 Engine Oil Additives Reviewed | Aautomotives
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Best Engine Oil Treatments | Top 5 Engine Oil Additives Reviewed | A…
179 views3 months ago
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Top 5 Best Engine Degreasers for 2025 | Get Your Engine Sparkling Clean!
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LIQUI MOLY Diesel Engine System Cleaner (21491) EN
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6:26
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39.6K viewsMay 29, 2022
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Stiction Eliminator Engine Oil Additive
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Shop best engine cleaner additive

Sponsored
About our ads
$13.98
$15.95
Slick 50 Original Engine Treatment | 32 Oz., Single
Amazon.com
610
12% off
$13.98
$15.95
Slick 50 Original Engine Treatment | 32 Oz., Single
Amazon.com
610
$57.96
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
$57.96
Hot Shot's Secret Diesel Extreme 1 Gallon, Concentrated Fuel System Cleaner, Diesel Fuel Additive, Injector Cleaner - Increases MPG & Restores Engine
Amazon.com
5K+
$9.58
Royal Purple Max-Clean 11722 Fuel System Cleaner Automotive Additive, 20 Oz
phapcosmetics.com
2K+
$9.58
Royal Purple Max-Clean 11722 Fuel System Cleaner Automotive Additive, 20 Oz
phapcosmetics.com
2K+
$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+
$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+
$18.52
$21.99
Slick 50 750002 Recharged High Mileage Engine Treatment, 15-Ounce
Amazon.com
983
15% off
$18.52
$21.99
Slick 50 750002 Recharged High Mileage Engine Treatment, 15-Ounce
Amazon.com
983
$13.99
Sea Foam High Mileage Motor Treatment Fuel And Oil Additive, For Gas Engines Over 75,000 Miles, 16 Oz, HM16
Advance Auto Parts
720
$13.99
Sea Foam High Mileage Motor Treatment Fuel And Oil Additive, For Gas Engines Over 75,000 Miles, 16 Oz, HM16
Advance Auto Parts
720
$21.99
LIQUI MOLY Pro-Line Engine Flush, 500 Ml, Dissolves Sludge, Lacquer, And Contaminants, 2037
Advance Auto Parts
27
$21.99
LIQUI MOLY Pro-Line Engine Flush, 500 Ml, Dissolves Sludge, Lacquer, And Contaminants, 2037
Advance Auto Parts
27
$19.99
Seafoam Motor Treatment: Motor Treatment, Fuel Injector, 16 Fl Oz Container Size Model: SF16
Grainger
5K+
$19.99
Seafoam Motor Treatment: Motor Treatment, Fuel Injector, 16 Fl Oz Container Size Model: SF16
Grainger
5K+
$10.95
Sea Foam SF-16 Motor Treatment 16 Oz. Bottle
Forestry Suppliers Inc.
4K+
$10.95
Sea Foam SF-16 Motor Treatment 16 Oz. Bottle
Forestry Suppliers Inc.
4K+
$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+
$34.60
Slick 50 Engine Treatment: Synthetic Engine Treatment, 15 Fl Oz Container Size Model: 75001
Grainger
260
$34.60
Slick 50 Engine Treatment: Synthetic Engine Treatment, 15 Fl Oz Container Size Model: 75001
Grainger
260
$7.52
Marvel Mystery Oil Oil Additive: Motor Treatment, 16 Fl Oz Container Size Model: MM12R
Grainger
899
$7.52
Marvel Mystery Oil Oil Additive: Motor Treatment, 16 Fl Oz Container Size Model: MM12R
Grainger
899
$25.41
Sea Foam Motor Treatment And Spray Combo SF SS Automotive Additives, 24 Oz
Walmart
138
Free shipping
$25.41
Sea Foam Motor Treatment And Spray Combo SF SS Automotive Additives, 24 Oz
Walmart
138
$7.00
Sea Foam 16 Oz. Engine Treatment/Additive
Mc Mu
$7.00
Sea Foam 16 Oz. Engine Treatment/Additive
Mc Mu
$4.10
Motormedic 14 Oz. Engine Treatment/Additive
Lougay Shoes
$4.10
Motormedic 14 Oz. Engine Treatment/Additive
Lougay Shoes
$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
$8.50
Lucas Oil 1 Qt. Engine Treatment/Additive
Lougay Shoes
$8.50
Lucas Oil 1 Qt. Engine Treatment/Additive
Lougay Shoes