5 products

Collection: Radium Air Oil Separators

About Radium Air Oil Separators

Radium Air Oil Separators

Like a catch can, a Radium Engineering AOS-R (Air Oil Separator-Return) keeps blow-by oil and pollutants out of the intake, intercooler and manifold. Unlike a catch can, it returns the separated oil to the sump, so it needs no emptying, and it is heated by engine coolant to stop water condensation reaching the oil. Coore is the Official Master Distributor for Radium Engineering in Australia.

What's in the Range

  • AOS-R universal VTA (vent to atmosphere)
  • AOS-R return kit for Subaru WRX (2008-2014), STI (2015-2021) and Forester XT (2009-2013)
  • Air oil separator universal kit
  • Universal Fluid Lock catch can / AOS, single
  • AOS-R O-ring service kit

Need Help?

Not sure which part suits your build? Email sales@coore.com.au with your vehicle and setup details and our team will help. Workshops and retailers can apply for a wholesale account.

All Radium Engineering parts