LION Radiator Stop Leak Liquid is a premium formula that removes harmful rust deposits that often breakdown and/or cause costly engine and cooling system repairs.


  • Premium formulation lubricates the entire cooling system
  • Quickly finds and seals and repairs leaks in; radiator, head gasket, heater core, motor block and freeze plugs
  • Can be used with water or anti-freeze solutions
  • Safe for quick and simple use on cars, trucks, motorcycles and tractors, etc.

Available In

  • 12 Fl Oz (354 ml) Plastic Bottle, 12 per case (RSL-121)
SKU: RSL-121

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