Radiator Additives
Blue Devil Engine and Cooling Sealant (32 oz.)
The Blue Devil Engine and Cooling Sealant has the remarkable ability to repair and seal leaks in freeze plugs, leaking radiators and heater cores, cracked or warped heads and fix most blown head gasket by forming a permanently seal.
Silver Seal Heavy Duty Radiator Stop Leak (.75 oz.)
Silver Seal Heavy Duty Radiator Stop Leak stops leaks quickly, inhibits rust, and lubricates the entire cooling system. Silver Seal builds a quick, permanent seal that will not clog or damage radiators. Mixes with any anti-freeze/coolant.
Gunk Radiator Anti-Rust & Water Pump Lubricant (11 oz.)
Gunk Radiator Anti-Rust & Water Pump Lubricant is ideal for all types of water cooled engines. Stops cooling system rust, scale, and corrosion. Protective film prevents new formations of rust. Neutralizes acid and protects against foaming.
Gunk 10-Minute Radiator Flush (11 oz.)
Gunk 10-Minute Radiator Flush is designed to remove grease and scum plus loose rust and scale in your radiator. Keeps your cooling system clean. Especially useful when changing antifreeze or coolant.
Bar's Leaks Cooling System Sealer (10 oz.)
Bar's Leaks Cooling System Sealer permanently seals leaks in plastic, aluminum, and metal radiators, heater cores, blocks, heads, gaskets, and freeze plugs. Prevents rust, cuts electrolysis, and lubes water pump. Compatible with all brands of antifreeze including extended life.
Bar's Leaks Cooling System Sealer (.75 oz. powder)
Bar's Leaks Cooling System Sealer permanently seals leaks in plastic, aluminum, and metal radiators, heater cores, blocks, heads, gaskets, and freeze plugs. Prevents rust, cuts electrolysis, and lubes water pump. Compatible with all brands of antifreeze including extended life.
Bar's Leaks Heavy Duty Cooling System Sealer (60 grams - tablets)
Bar's Leaks Heavy Duty Cooling System Sealer permanently seals leaks in plastic, aluminum, and metal radiators, heater cores, blocks, heads, gaskets, and freeze plugs. Prevents rust, cuts electrolysis, and lubes water pump.
Bar's Leaks Cooling System Sealer (5.5 oz.)
Bar's Leaks Cooling System Sealer permanently seals leaks in plastic, aluminum, and metal radiators, heater cores, blocks, heads, gaskets, and freeze plugs. Prevents rust, cuts electrolysis, and lubes water pump. Compatible with all brands of antifreeze including extended life.
Tow Kool Super Concentrated Cooling System Formula (16 oz.)
Tow Kool is scientifically developed to reduce operating temperatures, maximize cooling system efficiency and increase cooling system component life in tow vehicles, trucks, SUVs and passenger cars.
Permanent Metallic Block and Radiator Seal (16 oz.)
The No. 1 Quality Permanent Engine Block Sealas tested by an independent lab!









