FIVE STAR Radiator Conditioner


  • Boosts corrosion protection and

  • Provides maximum corrosion protection

  • Improves the protection of new, used or recycled coolant/antifreeze

  • Restores worn out additives to recommended levels

  • Adds a safe, continuous flow media to stop leaks and seepage

Can be used with all cooling system components, plus new and recycled coolant/antifreeze solutions.


Add to radiator following regularly scheduled cooling system flush, and fill to improve any new or recycled coolant. Or add to radiator between scheduled maintenance to restore weak or neglected coolant and extend useful service life.

One bottle treats 10 litres of water. In excess of 10 litres use a dilution ratio of 5%.

FIVE STAR RADIATOR CONDITIONER is formulated to exceed the specifications as set out by the Australian Standards Test Method (ASTM D1384-87).

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