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10 bestCar Radiator Flushof June 2025

112M consumers helped this year.

1

Liqui Moly Radiator Cleaner (300ml)
Liqui Moly Radiator Cleaner (300ml)

Liqui Moly

9.8

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2

Wurth Lubricants Radiator Flush - 250ML
Wurth Lubricants Radiator Flush - 250ML

Wurth

9.6

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3

MANNOL 9965 Radiator Flush Universal COOLANT System Cleaner 250 ML Imported from Germany
MANNOL 9965 Radiator Flush Universal COOLANT System Cleaner 250 ML Imported from Germany

MANNOL

9.3

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4

Clever Frog® Original Radiator Flush | Cleaner | Treatment | All In One For Your Car, Trucks & Tractors | Petrol & Diesel Engine | 225ml
Clever Frog® Original Radiator Flush | Cleaner | Treatment | All In One For Your Car, Trucks & Tractors | Petrol & Diesel Engine | 225ml

Clever Frog

9.0

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5

LALAN LVRS 101 - Radiator Flush (250 ML)
LALAN LVRS 101 - Radiator Flush (250 ML)

LALAN

8.7

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6

Kethron® Original Heavy Duty Concentrate + Radiator Flush/Cleaner/Treatment All In One For YourCar&Trucks
Kethron® Original Heavy Duty Concentrate + Radiator Flush/Cleaner/Treatment All In One For YourCar&Trucks

Kethron

8.4

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7

Gunk Radiator Flush Radiator Cleaner 250ML
Gunk Radiator Flush Radiator Cleaner 250ML

GUNK

8.1

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8

Gunk C2124 Super Heavty Duty Radiator Flush - 22 oz.
Gunk C2124 Super Heavty Duty Radiator Flush - 22 oz.

Gunk

7.8

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9

STP Radiator Flush (300 ml) : Pack of 12
STP Radiator Flush (300 ml) : Pack of 12

STP

7.5

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10

Prestone AS105 Radiator Flush and Cleaner - 22 oz.
Prestone AS105 Radiator Flush and Cleaner - 22 oz.

Prestone

7.2

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