GUNK® Cooling System Stop Leak is designed to make sure cooling system is clean. Stops and prevents leaks and seepage in radiators, heater cores, blocks, cylinder heads, freeze plugs and gaskets. Will not clog or damage cooling systems. Works with all types of anti-freeze/coolant.
- Contains rust inhibitor
- Works in both water and anti-freeze solutions
- Stops leaks in radiators instantly
- Prevents new leaks from developing
- No need to drain or flush system before application
WARNING: This product can expose you to chemicals including Diethanolamine, which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.
