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10 bestCoolant Additivesof March 2026

112M consumers helped this year.

5% off

1

Zerex Asian Vehicle Blue Silicate and Borate Free 50/50 Prediluted Ready-to-Use Antifreeze/Coolant 1 GA
Zerex Asian Vehicle Blue Silicate and Borate Free 50/50 Prediluted Ready-to-Use Antifreeze/Coolant 1 GA

Zerex

10.0

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2

Red Line 80204 Water Wetter -12oz. 2 Bottles
Red Line 80204 Water Wetter -12oz. 2 Bottles

Red Line

10.0

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3

Prestone AF2000 Extended Life Antifreeze - 1 Gallon
Prestone AF2000 Extended Life Antifreeze - 1 Gallon

Prestone

9.9

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4

Land Rover Genuine OEM Orange Coolant
Land Rover Genuine OEM Orange Coolant

Land Rover

9.7

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5

Prestone AF850 Dex-Cool 50/50 Antifreeze - 1 Gallon
Prestone AF850 Dex-Cool 50/50 Antifreeze - 1 Gallon

Prestone

9.5

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Related productsUp to 5% off

Zerex ZXGO51 G-05 Antifreeze - Gallon

Zerex ZXGO51 G-05 Antifreeze - Gallon

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Royal Purple 01600 Purple Ice Radiator Coolant Additive 12 oz. Bottle Pack of 4

Royal Purple 01600 Purple Ice Radiator Coolant Additive 12 oz. Bottle Pack of 4

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Zerex Original Green Antifreeze/Coolant - 1 Gallon

Zerex Original Green Antifreeze/Coolant - 1 Gallon

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Engine Ice Hi Performance SXS/ATV Anti-Freeze Coolant 1/2 Gallon (12556)

Engine Ice Hi Performance SXS/ATV Anti-Freeze Coolant 1/2 Gallon (12556)

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5% off

6

Zerex ZXELRU1 DEX-Cool Antifreeze/Coolant - Gallon
Zerex ZXELRU1 DEX-Cool Antifreeze/Coolant - Gallon

Valvoline

9.3

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7

Engine Ice TYDS008 High Performance Coolant - 0.5 Gallon
Engine Ice TYDS008 High Performance Coolant - 0.5 Gallon

Engine Ice

9.0

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8

Zerex 675130 Asian Vehicle Anitfreeze/Coolant - Gallon
Zerex 675130 Asian Vehicle Anitfreeze/Coolant - Gallon

Zerex

8.8

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9

Zerex 875537 G-48 Antifreeze Coolant, Blue, 50/50 (Pre-diluted) 4 x 3.78L, 4 (Non-Carb Compliant)
Zerex 875537 G-48 Antifreeze Coolant, Blue, 50/50 (Pre-diluted) 4 x 3.78L, 4 (Non-Carb Compliant)

Zerex

8.5

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10

Liqui Moly Radiator Stop Leak | 250 ml | Cooler additive | SKU: 20132
Liqui Moly Radiator Stop Leak | 250 ml | Cooler additive | SKU: 20132

Liqui Moly

8.2

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