Bar's Leaks Radiator Stop Leak, 11 oz

DISSOLVED PELLETIZED FORMULA: Bar’s Leaks Radiator Stop Leak seals internal, external and coolant-to-oil leaks. It is specially formulated to seal larger leaks better than other stop leak products.

STOPS CURRENT AND FUTURE LEAKS: Works safely and effectively on plastic, aluminum and metal radiators, heater cores, blocks, heads, gaskets and freeze plugs.

INHIBITS RUST AND CORROSION: Water Pump Lube lubricates water pump seal and inhibits the formation of rust and scale.

WORKS WITH ALL TYPES AND COLORS OF ANTIFREEZE COOLANT AND / OR WATER: Compatible with both conventional silicate-based and extended life (OAT/HOAT) antifreeze, all types and colors. Can also be used in straight water.

Bar’s Leaks Radiator Stop Leak seals internal, external and coolant-to-oil leaks. It is specially formulated to seal larger leaks better than other stop leak products.