MOC® Cooling System Sealer (#01041) is designed to seal leaks caused by cracks or holes in the radiator, block and head gasket. It has the unique ability to seal leaks by forming a "scab" over the hole or damaged area. This nonmetallic formula is safe to use with all types of antifreeze and coolants. This non-clogging product may be used in all pressurized systems and will not harm plastic, metal or rubber parts.
- Helps seal radiator, gaskets and freeze plugs.
- Compatible with all types of coolant.
- #01164 – Radiator Flush kit three-pack (Fast Flush, Treatment, Sealer)