Stp Radiator Sealer 300ml

STP® RADIATOR SEALER (STP-96300)

Permanently seals leaks

STP Radiator Sealer is designed to repair radiator leaks quickly and effectively, forming a permanent seal. It contains corrosion inhibitors to help prevent the formation of rust and deposits. STP Radiator Sealer also lubricates the water pump.

• Suitable for all types of radiator
• Compatible with all types of antifreeze

Instructions to Us:

• Run the engine until the coolant is warm (not hot).

• Shake bottle well & pour entire bottle of STP® Radiator Sealer into radiator.

• Run the engine for approximately 10 minutes or drive a short distance, allowing seal to harden. Be careful when opening the radiator/cooling system: hot coolant or steam might escape. One bottle treats cooling systems up to 14 litres capacity.