Engine Block Sealant
MSDS Engine Block Sealant (193 KB, PDF)
Enviro-Safe Engine Block Sealant will repair most blown engine head gaskets and minor cracks in the engine block when used according to directions. Engine Block Sealant does not harm coolant systems or aluminum or steel engine parts and it will stop leaks in minutes. This 32 oz container is enough for 1 automobile or small truck diesel engine.
For best results, add to radiator after mixing with anti-freeze.
For larger systems, please contact Enviro-Safe Technical Support at: