10 bestCar Radiator Flushof June 2025
112M consumers helped this year.
1

Liqui Moly Radiator Cleaner (300ml)
Liqui Moly

9.8
2

Wurth Lubricants Radiator Flush - 250ML
Wurth

9.6
3

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

9.3
4

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

9.0
5

LALAN LVRS 101 - Radiator Flush (250 ML)
LALAN

8.7
6

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

8.4
7

Gunk Radiator Flush Radiator Cleaner 250ML
GUNK

8.1
8

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

7.8
9

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

7.5
10

Prestone AS105 Radiator Flush and Cleaner - 22 oz.
Prestone

7.2

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