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Engine Coolants

10 Best Engine Coolants 2024 in the US

Sponsored

Thorstone

Thorstone

Thorstone No Spill Coolant Funnel Kit, Spill Free Radiator Coolant Filling Funnel, Spill Proof Radiator Funnel Bleeder with Adapters, Automotive Antifreeze Bleeder for Universal Vehicles

Winner

Valvoline

Valvoline

Valvoline Multi-Vehicle 50/50 Prediluted Ready-to-Use Antifreeze/Coolant 1 GA, Light Yellow/Green.

10.0

score

Sponsored

Thorstone

Thorstone

Thorstone No Spill Coolant Funnel Kit, Spill Free Radiator Coolant Filling Funnel, Spill Proof Radiator Funnel Bleeder with Adapters, Automotive Antifreeze Bleeder for Universal Vehicles

Zerex Asia

Zerex

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

8.5

score

PEAK OET E

PEAK

PEAK OET Extended Life Blue 50/50 Prediluted Antifreeze/Coolant for Asian Vehicles, 1 Gal.

7.6

score

K-Seal ST5

K-Seal

K-Seal ST5501 Multi-Purpose One Step Permanent Coolant Leak Repair, 8oz, Pour and Go, Mixes with All Antifreeze, No Flushing Required

7.6

score

PEAK OET E

PEAK

PEAK OET Extended Life Red/Pink 50/50 Prediluted Antifreeze/Coolant for Asian Vehicles, 1 Gal.

7.6

score

PEAK OET E

PEAK

PEAK OET Extended Life Orange 50/50 Prediluted Antifreeze/Coolant for North American Vehicles, 1 Gal.

7.3

score

PEAK OET E

PEAK

PEAK OET Extended Life Violet 50/50 Prediluted Antifreeze/Coolant for European Vehicles, 1 Gal.

7.3

score

PEAK OET E

PEAK

PEAK OET Extended Life Blue 50/50 Prediluted Antifreeze/Coolant for European Vehicles, 1 Gal.

7.3

score

Genuine 00

Genuine

Genuine 00272 SLLC2 Engine Coolant / Antifreeze

7.0

score

Engine Ice

Engine Ice

Engine Ice Off-Road High-Performance Motorcycle Coolant and Antifreeze Blue

7.0

score

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