Wondarweld is a professional, heavy-duty repair solution that’s suitable for all engine types. Added direct to the cylinder head, it permanently seals small holes and cracks in the engine block, head gaskets and water pump gaskets, restoring the integrity of the engine and cooling system.

A professional cooling system repair product that’s designed to fix small cracks and holes in the cylinder head, engine block and head gasket. Provides a permanent repair without causing damage or clogging the system. 

Suitable for repairing even the smallest cracks in engine blocks, cylinder head gaskets and water pump gaskets without the need for a costly repair.

Suitable for steel, aluminium and iron engines with no clogging or damaging effect.