The commanding victory will give their confidence a massive boost to as they leave for the USA for next weekend's HSBC SVNS Los Angeles.
The win was secured with a strong first half effort. Impi Visser, Shilton van Wyk and David Brits all scored tries with team pivot, Selvyn Davids, pulling the strings in all of these.
Australia did reply to the opening score by Visser, but from there on in, it was Davids and co in charge. The Blitzboks' 19-7 lead at the break was well deserved as their attack proved lethal and their defence forced the Aussie meltdown.
Rosko Specman scored the only points of the second half to make secure the win. Hard as they tried, the Australians could not find a way past a determined defensive effort from Davids and company.
Scorers:
South Africa 24 (19) - Tries: Impi Visser, Shilton van Wyk, David Brits, Rosko Specman. Conversions: Selvyn Davids, Justin Geduld.
Australia 7 (7) - Try: Dietrich Roache. Conversion: Roache.