Liqui Moly 20132 Radiator Stop Leak - 250ml Cooling System Sealer

Liqui Moly Radiator Stop Leak is a professional-grade coolant additive designed to quickly seal minor leaks in automotive cooling systems. This fast-acting formula effectively seals small leaks caused by external damage, porous solder joints, and hairline cracks without the need for costly repairs or system disassembly.

Key Features:

• Seals small leaks in radiators, water pumps, and cooling system components
• Works on hairline cracks, porous solder joints, and minor damage
• Compatible with all types of coolant and antifreeze
• Easy to use - simply add to coolant system
• Does not clog heater cores or cooling passages
• Safe for aluminum, copper, brass, and plastic cooling system components

Each container treats cooling systems up to approximately 10 liters (2.6 gallons). The formula circulates through the system and automatically seals leaks from the inside as coolant escapes, forming a permanent seal. Ideal for emergency repairs and preventative maintenance on cars, trucks, motorcycles, and other vehicles with liquid-cooled engines.

Contents: 250ml (8.45 fl oz) metal container