Lisle 75630 Combustion Leak Indicating Fluid - Cooling System Tester

Worried you might have a blown head gasket?

Grab this Lisle 75630 combustion leak indicating fluid.

It's a simple test: you use it with a tester to see if exhaust gases are getting into your coolant.

If the fluid changes color, you've got a leak.

This bottle is brand new and made by Lisle, a trusted name in tools.

It's a cheap and easy way to diagnose a major problem before you start tearing things apart.