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Best Motor Flushers - Holiday Sale

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Last Updated - 16.12.2025

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01

MANNOL

MANNOL Motor Flush Cleaner Pack of 10 x 350 ml for Motor Vehicles

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9.9

Exceptional

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Sufficient up to 6 litres of oil capacity. Add before changing oil.
Compatible with all standard engine oils. Manufacturer: MANNOL.
Box contents: 10 pieces of 350 ml as shown in the product image.

25,80 €
02

MATHY

MATHY -C Engine Interior Cleaner (400 ml) - Engine Flush and Engine Interior Cleaning for Diesel and Petrol Engines - Engine Cleaner Seal Neutral

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9.7

Exceptional

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Main highlights

Seal-friendly cleaning - Thanks to its intensive cleaning power, coking, resinification on the piston rings and oil sludge (black sludge) in the engine are eliminated in a sealed manner.
Quality from Germany - MATHY is a German premium manufacturer with over 80 years of experience in the development of additives and engine oils. The products are produced in Germany.
Optimises exhaust gas values - The engine cleaner dissolves deposits and oil sludge throughout the engine oil circuit. The ideal engine care before the next oil change and for longer service life.
Optimises engine running - The engine cleaner removes dirt in oil holes. All areas in the engine are optimally flooded with oil again and the starting behaviour is improved.
Easy to use - Mathy-C engine interior cleaner is used immediately before oil change and can be used in all mineral, partial, fully synthetic and HC synthesis engine oils.

21,55 €
03

MANNOL

MANNOL Engine Flush Motor Flush Made In Germany Sent in 1st Class Post Free

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9.5

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Wide Compatibility Suitable for gasoline and diesel engines, all kinds of engine oils.
Wear protection: minimizes wear on high mileage engines, prolongs the service life.
Viscosity stabilizer: increases the viscosity index of the oil, prevents oil from entering the combustion chamber.
Improved oil film stability: strengthens the oil film on rubbing parts, facilitates cold start.
Effective in severe operating conditions: especially effective on diluted oil with fuel.

7,68 €
Value for Money

04

Liqui Moly

LIQUI MOLY Motorbike Engine Flush | 250 ml | Motorcycle Oil Additive | Item No.: 1657

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9.3

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Neutral compared to standard sealing materials
Long engine life
High economy
Ensures original engine performance
Easy to use
Cleaning and care
Cat tested

9,29 €
05

MANNOL

MANNOL Motor Flush Cleaner 350 ml Pack of 3

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9.1

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Sufficient up to 6 litres of oil capacity. Add before changing oil.
Compatible with all standard engine oils. Manufacturer: MANNOL.
Box contents: 3 pieces of 350 ml as shown in the product image.

14,47 €
06

ProTec

PROTEC P1001 EF Engine Flush Motor Interior Cleaner Interior Cleaning Conditioner 375 ml

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9.0

Excellent

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Protec Engine Flush (EF) P1001 Engine Interior Cleaner

10,15 €
07

MVH Bockauf

Mannol Motor Flush Cleaner 9900 Engine Flush 5 x 350 ml

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8.9

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Sufficient up to 6 litres of oil capacity. Add before changing oil. Compatible with all standard engine oils.
Removes both oil-soluble and non-oil-soluble impurities; Cleaning is gentle on all parts and components of the engine and does not harm them. Neutral to the gaskets used.
It can be mixed with all types of engine oils (mineral and synthetic, etc.) and can be used to flush all petrol and diesel engines with or without turbocharging, with or without exhaust gas cleaning system. Completely removed from the system, along with the old oil. Manufacturer No: 9900 Manufacturer: Mannol. Quantity: 1.75 litres.
Cleans the oil system and filter nets of oil pumps. During the washing process, it ensures reliable lubrication and thus prevents wear of engine parts. Thanks to the unique composition of detergent-dispersing additives, it guarantees a highly effective and safe removal of carbon deposits, even from the piston base.
Box contents: 5 pieces of 350 ml as shown in the product image.

17,59 €
08

MANNOL

MANNOL Motor Flush Cleaner 2 x 350 ml for Motor Vehicles

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8.8

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Sufficient up to 6 litres of oil capacity. Add before changing oil.
Compatible with all standard engine oils. Manufacturer: MANNOL.
Box contents: 2 pieces of 350 ml as shown in the product image.

13,20 €
09

MANNOL

Mannol Motor Flush 9009 Professional 450ml Engine Flush Engine Cleaner (1)

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8.5

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

The engine flush allows extremely effective and safe removal of soot, even from hard-to-reach areas such as the bottom of the piston.
The cleaner frees the oil system and oil pump filter screens of impurities. It promotes reliable lubrication during the flushing process, avoiding wear of engine parts.
The 450ml container is designed for 4-6 litres of engine oil. Please note the instructions for use
MANNOL Motor Flush Professional 9009 is a special cleaner designed to remove debris, dirt, mud and wear products from various engine components.
Leaves a robust and long-lasting anti-friction protective film on the surfaces of the engine parts after application.
Before changing the engine oil, add the contents of the container to the warm engine. After 10 minutes idle, you can drain the used oil, change the filter and fill in new oil. (Do not drive the vehicle before the new oil is filled!). The 450ml container is designed for 4-6 litres of engine oil. Please observe safety instructions on the bottle

8,50 €
10

wellenshop

wellenshop Engine Flusher Rectangular Engine Flush Fresh Water Flush

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8.3

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Water connection suitable for Gardena hose connection
Universal model for all OMC and Mercury Z drives, as well as all 2- and 4-stroke outboards up to 300 HP
Other flushers can be found in our wellenshop Amazon shop
For flushing the cooling circuits with fresh water, with 3/4 inch connection for the water hose
Flush connection for outboard and Z drives

6,99 €