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10 bestEngine Sludge Cleanerof December 2025

112M consumers helped this year.

1

WD-40 Specialist® All Purpose Contact Cleaner 400ml - Drive Out Dirt, Dust, Oil, Flux Residue, and Moisture From Sensitive Electrical Parts and Equipment with Ease

WD-40 Specialist® All Purpose Contact Cleaner 400ml - Drive Out Dirt, Dust, Oil, Flux Residue, and Moisture From Sensitive Electrical Parts and Equipment with Ease

WD-40 Specialist® All Purpose Contact Cleaner 400ml - Drive Out Dirt, Dust, Oil, Flux Residue, and Moisture From Sensitive Electrical Parts and Equipment with Ease

WD-40

9.8

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2

Liqui-Moly Engine Flush Plus 300ml

Liqui-Moly Engine Flush Plus 300ml

Liqui-Moly Engine Flush Plus 300ml

Liqui Moly

9.6

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3

Liqui Moly Motorbike Fuel System Cleaner 4T Shooter (80 ml) (LM044)

Liqui Moly Motorbike Fuel System Cleaner 4T Shooter (80 ml) (LM044)

Liqui Moly Motorbike Fuel System Cleaner 4T Shooter (80 ml) (LM044)

Liqui Moly

9.4

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4

WE-3 ENGINE DEGREASER(5LTR), All Purpose Cleaner and Degreaser Concentrate Engine Cleaner, heavy dirt & grease remover, Car Engine, Wheel Protective, Non-Greasy and Solvent-Free Liquid(5000mililitter)

WE-3 ENGINE DEGREASER(5LTR), All Purpose Cleaner and Degreaser Concentrate Engine Cleaner, heavy dirt & grease remover, Car Engine, Wheel Protective, Non-Greasy and Solvent-Free Liquid(5000mililitter)

WE-3 ENGINE DEGREASER(5LTR), All Purpose Cleaner and Degreaser Concentrate Engine Cleaner, heavy dirt & grease remover, Car Engine, Wheel Protective, Non-Greasy and Solvent-Free Liquid(5000mililitter)

WE-3

9.1

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5

Liqui Moly Air Mass Sensor Cleaner (200 ml)

Liqui Moly Air Mass Sensor Cleaner (200 ml)

Liqui Moly Air Mass Sensor Cleaner (200 ml)

Liqui Moly

8.9

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6

Castrol Engine Shampoo Pre Oil Change Treatment (Flushing Oil) for Petrol 300 ml, CNG and Diesel Cars (3418104)

Castrol Engine Shampoo Pre Oil Change Treatment (Flushing Oil) for Petrol 300 ml, CNG and Diesel Cars (3418104)

Castrol Engine Shampoo Pre Oil Change Treatment (Flushing Oil) for Petrol 300 ml, CNG and Diesel Cars (3418104)

Castrol

8.6

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7

API Pond-Zyme Sludge Destroyer Pond Water Cleaner with Barley, Safe for Pets, 227 G Container

API Pond-Zyme Sludge Destroyer Pond Water Cleaner with Barley, Safe for Pets, 227 G Container

API Pond-Zyme Sludge Destroyer Pond Water Cleaner with Barley, Safe for Pets, 227 G Container

API

8.4

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8

STP Petrol Injector Cleaner : Unclog Dirty injectors with just one Treatment (Helps : Restore Performance - Reduce Emissions - Save Fuel) - Pack of 1

STP Petrol Injector Cleaner : Unclog Dirty injectors with just one Treatment (Helps : Restore Performance - Reduce Emissions - Save Fuel) - Pack of 1

STP Petrol Injector Cleaner : Unclog Dirty injectors with just one Treatment (Helps : Restore Performance - Reduce Emissions - Save Fuel) - Pack of 1

STP

8.1

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9

STP Diesel Injector Cleaner : Unclog Dirty injectors with just one Treatment. (Helps : Restore Performance - Reduce Emissions - Save Fuel) - Pack of 1

STP Diesel Injector Cleaner : Unclog Dirty injectors with just one Treatment. (Helps : Restore Performance - Reduce Emissions - Save Fuel) - Pack of 1

STP Diesel Injector Cleaner : Unclog Dirty injectors with just one Treatment. (Helps : Restore Performance - Reduce Emissions - Save Fuel) - Pack of 1

STP

7.8

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10

Heebo Engine Cleaner & Degreaser Foam Spray 500ml - Pack of 2 | Used to remove Oil Grease & Road Grime on all kinds of Auto Engines | Safe to use on Metals Rubber and Plastic

Heebo Engine Cleaner & Degreaser Foam Spray 500ml - Pack of 2 | Used to remove Oil Grease & Road Grime on all kinds of Auto Engines | Safe to use on Metals Rubber and Plastic

Heebo Engine Cleaner & Degreaser Foam Spray 500ml - Pack of 2 | Used to remove Oil Grease & Road Grime on all kinds of Auto Engines | Safe to use on Metals Rubber and Plastic

Heebo

7.5

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