Prevent leaks from happening! Stop them if they do! Dyno-tab® Radiator Stop Leak is a proprietary formulation that is added to the cooling system of every car that rolls off the production line by major vehicle manufacturers. Tested in compliance with ASTM D2570, Dyno-tab® Radiator Stop Leak has been proven to stop radiator leaks fast. It is:
Safe for all systems
Don’t wait for leaks to happen! Protect your cooling system by adding Dyno-tab® Radiator Stop Leak today. Fast dissolving tablets are compatible with all types of coolant including conventional green and extended life red/orange or yellow. Dyno-tab® Radiator Stop Leak can be used in water-only systems too. Be sure to use Dyno-tab® Cooler Coolant® when topping up coolant lost due to leaks or seepage. Our same innovative product now available in a convenient pouch!
1 tablet pouch One pouch treats up to 12 liters
EASY AND CONVENIENT TABLETS.
Radiator overheating is the #1 cause of roadside breakdown. Protect your cooling system with our new range of cooling system products. They work with all coolants and in water-only systems. Because they use Dyno-tab®'s unique tablet technology, there's no bottle, spills, measuring or mess! Keep your cooling system in tip-top shape and don't risk a costly and inconvenient breakdown.