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Tools & Equipment

10 Best Coolant Leaks 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

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

9.1

score

BILITOOLS

BILITOOLS

BILITOOLS Radiator Coolant Pressure Tester & Vacuum Refill Kit, 28-Piece Universal Cooling System Radiator Leak Tester & Refiller

9.1

score

InterDynam

InterDynamics

InterDynamics Certified Auto Pro Oil and Fuel System UV Dye Leak Detection for Cars & Trucks & More, 1 Oz, 374CS, Universal

8.5

score

Vansky Air

Vansky

Vansky Air Conditioner Leak Detector: Professional Car Tool Automotive AC UV Dye Leak Detection Kit with Protective Glasses

8.2

score

Bar's Leak

Bar's Leaks

Bar's Leaks 1186 Liquid Aluminum Stop Leak - 16.9 oz

7.9

score

Bar's Leak

Bar's Leaks

Bar's Leaks PLT11 Pelletized HD Radiator Stop Leak - 11 oz.

7.6

score

K-Seal ST5

K-Seal

K-Seal ST5516 Heavy-Duty Multi-Purpose One Step Permanent Coolant Leak Repair, 8oz, Pour and Go, Mixes with All Antifreeze, No Flushing Required

7.6

score

ACDelco GM

ACDelco

ACDelco GM Original Equipment 10-108 (12378255) Cooling System Sealing Tabs - 4 g

7.0

score

TSI Superc

TSI Supercool

TSI Supercool Synthetic U/V Leak Detection Dye, 1 oz, 1 Application

7.0

score

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