Bar's Leaks Liquid Aluminum Radiator & Heater Core Stop Leak 1186

Bar's Leaks 1186: Advanced Radiator and Heater Core Repair

Bar's Leaks Liquid Aluminum Radiator & Heater Core Stop Leak (1186) is a high-tech cooling system treatment designed to stop leaks permanently and safely. Utilizing advanced "Liquid Aluminum" technology, this formula finds and seals leaks in radiators, heater cores, freeze plugs, and gaskets. Unlike traditional powders that can clog internal passages, the 1186 formula is a liquid that flows freely until it reaches the leak point, where it forms a chemical bond with the metal to create a durable, heat-resistant seal.

Cooling System Restoration Highlights:

• Safely seals leaks in plastic, aluminum, and copper radiators.
• Includes Xtreme Cool to lower engine operating temperatures.
• Compatible with all types and colors of antifreeze/coolant.
• Lubricates the water pump seal to prevent future failure and noise.

A cooling system leak can quickly lead to engine overheating and catastrophic failure. Bar's Leaks 1186 provides an immediate and cost-effective alternative to expensive mechanical repairs. It is safe for all cooling system components and will not interfere with the thermostat or water pump. For vehicles with minor coolant loss or persistent small drips, this stop-leak treatment provides peace of mind and keeps your vehicle on the road. It is a vital tool for any older vehicle's maintenance routine or as a quick-fix solution during a road trip emergency.