Hi-Gear HG9025s Radiator Stop Leak, 11 fl.oz.

Each and every product from Hi-Gear is engineered to meet or surpass the strictest of industry standard specifications. Hi-Gear maintains its own research and development facility and formulations are constantly under review to ensure the latest technologies are implemented. Hi-Gear Radiator Stop Leak seals coolant leaks through the system with a formula that is compatible with all metals and plastics found in the coolant system. Further, this product is able to remain in the coolant system with no adverse effects, offering further protection from leaks that may happen in the future.

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Hi Gear Radiator Stop Leak Reliably seals throughout the coolant system
Seals leaks in solder joints and plastic/metal joints
Seals heater cores
Safe to leave in coolant systems, and safe for aluminum, cast iron, non-ferrous alloys, plastic and rubber
Compatible with all types of anti-freeze