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Cool Down - Coolant Additive Improver

$37.95 Sale Save

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Cool Down™ improves the performance of coolant and is safe for all radiator systems.

It's can be used in all vehicle applications. The Cool Down product reduces engine temperature up to 10°C! Cool Down increases coolant flow for better heat transfer, while lubricating all vital components.

One bottle treats cooling systems of 12-20 Litres. For straight water applications, we recommend adding 50% more Cool Down. Diesel applications require twice the normal amount of our coolant additive.

Treatments last for one year or 48,000km, whichever comes first. We do suggest changing your coolant every 2 years. When using as a diesel coolant additive, we recommend using twice the suggested amount for full protection of wet sleeve cylinder liners.


This item can be shipped Australia Wide. handles returns and processes refunds in accordance with the Australian Consumer Protection legislation.

Should you wish to return your order, please notify us within 30 days of purchase with a valid reason for return. If we are unable to resolve your complaint or further assist you, we will process a refund upon timely receipt of the goods purchased. Unopened goods will be refunded in full. Refunds will be processed promptly and payment made by the same method that you made payment. All refunds are made at the discretion of

Before any refund. exchange or credit is processed, all items must be shipped back at your expense.

Can you mix Cool Down™ with antifreeze?

Yes, you can. Cool Down works great with antifreeze. It is formulated for use with today’s OAT and HOAT-formula engine coolants. We recommend changing your coolant every 2 years.

How do I use Cool Down™?
Just open the bottle and add the contents straight into the radiator or coolant reservoir. If you have access to a radiator cap, pouring Cool Down directly into the radiator is the preferred method. One bottle will treat cooling systems of 12-20 litres.