10 bestCoolant Additivesof April 2026
112M consumers helped this year.
24% off
1
Holts HAFR0006B Antifreeze Coolant for Car VW-Audi-Seat-Skoda G12, G12+, G12++, G13, G12 EVO 10-year 300k mile long life protection to -30°C, Pink, 5 Litre
Holts
9.9
2
MANNOL 5L Coolant Antifreeze G12+ RED Ready Mixed -30°C / +125 German Hi Spec
9.8
12% off
3
Comma XSG48M5L Xstream G48 Antifreeze RTU, 5 Liter
Comma
9.6
4
Prestone PAFR0035B Coolant Antifreeze for All Vehicles 10 year 300,000 miles Corrosion Protection, Ready to Use, 1 Litre
Prestone
9.5
5
Holts HAFR0008B Antifreeze Coolant for Car Mercedes & BMW, 10-year 300k mile long life, protection to -37°C, Includes Spout, Blue, 5 Litre
Holts
9.3
OtherUp to 5% off
Comma XSG401L XstreAM G40 Conc Antifrze Coolant, 1 Liter
Comma SCA5L Super Coldmaster Antifreeze and Coolant Concentrate, 5 Liter
Prestone Coolant For Car, Anti-Freeze Coolant Car Fluid To Prevent Problems & Protect Car Cooling System, Car Coolant Fluid For All Makes & Models, Antifreeze Coolant Concentrate, 4 Litre Bottle
Dynamax Cool G12 EVO Antifreeze Coolant CONCENTRATE 1 Litre, Light Red/Violet (Purple) Coolant
6
Holts HAFR0010B Antifreeze Coolant for Car Ford Vaux Opel, WSS-M97B44-D/GMW 3240, 10-year 300k mile long life, protection to -37°C, Includes Spout, Orange, 5 Litre
Holts
9.0
7
Red Line (80204 Water Wetter - Coolant Additives - 12 Oz Bottle
Red Line
8.7
8
Holts HAFR0004B Antifreeze Coolant Renault Dacia Type D with spout 10-year 300k mile long life, protection to -25°C, Yellow, 5 Litre
Holts
8.4
6% off
9
Comma XSM1L Xstream G30 Ready To Use Coolant, 1 Liter
Comma
8.2
10
Royal Purple 01600 Purple Ice Super-Coolant Radiator Additive - 12 oz.
Royal Purple
7.9
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