The fastest Radiator Stop Leak around!

Aussie Stop Leak is an automotive cooling system stop leak.
It repairs leaks in radiators whether they are copper, aluminum, plastic or combinations of these as well as gaskets, Welsh plugs, cracked blocks or heads, pipes, heaters and leaking liners.
Aussie Stop Leak has been tried and tested now for over 18 years and is a
proven product, reliable and successful.


About Us


“Having tested the product ourselves and seeing the success, we have even recommended the product to other companies.”

– Ray & Anthony Webbe, WPT Pty Ltd.

Proud Sponsors

Philip Island: IPRA Nationals & Island Magic.
November 26 & 27
Driver: Richard Mork

Engineers Report

Mobility Engineering is recognised and referred to by various industry organizations for independent automotive paint defects, repairs, mechanical and structural analysis. This report has been prepared based on witnessing of actual test and information provided by the above mentioned person.