Bar’s Leaks Liquid Radiator Stop Leak is designed for radiators without easy access. It is formulated as a complete cooling system tune up, used for both emergency stop leak and cooling system maintenance.
Specially designed to seal minor leaks and drips in cooling systems up to 0.9mm in size. Bar’s Leaks Original, Bar's Leaks Liquid, & Bar’s Leaks Original (Truck) reduces or eliminates cavitation, lubricates cooling system components, keeps the cooling system clean, slows or prevents corrosion and quiets noisy water pumps. This product also contains special buffing agents to help keep your cooling system clean. It works on plastic, aluminum, and metal radiators in heater cores, engine cooling jacket, gaskets (including head gaskets), water pumps, and freeze plugs.
Keep Bar's Leaks Radiator Stop Leak in your emergency repair kit for those unexpected surprises and apply once a year to keep your cooling system working at its best.
Use Bar's Leaks Nural prior to application to ensure your cooling system is clean.