10 bestCoolant Additivesof August 2026
112M consumers helped this year.
1
Red Line 80204 Water Wetter -12oz. 2 Bottles
Red Line
9.8
2
Land Rover Genuine OEM Orange Coolant
Land Rover
9.6
5% off
3
Zerex Asian Vehicle Blue Silicate and Borate Free 50/50 Prediluted Ready-to-Use Antifreeze/Coolant 1 GA
Zerex
9.4
4
Engine Ice TYDS008 High Performance Coolant - 0.5 Gallon
Engine Ice
9.1
5
Prestone AF2000 Extended Life Antifreeze - 1 Gallon
Prestone
8.9
OtherUp to 5% off
6
Zerex ZXGO51 G-05 Antifreeze - Gallon
Valvoline
8.6
7
Zerex 675130 Asian Vehicle Anitfreeze/Coolant - Gallon
Zerex
8.3
14% off
8
Red Line 80205, Supercool Extreme Powersports Coolant, Safe for Track, Street, Off-Roa - 1/2 Gallon (64 Ounces)
Red Line
8.0
9
Zerex ZXELRU1 DEX-Cool Antifreeze/Coolant - Gallon
Valvoline
7.7
10
Engine Ice Hi Performance SXS/ATV Anti-Freeze Coolant 1/2 Gallon (12556)
Engine Ice
7.4
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