Breather Hose - Crank Case to Right Head

Breather Hose - Crank Case to Right Head


iaTUNING offers an extensive line of genuine Subaru OEM parts to keep your Subaru properly maintained. If you do not see it here, then feel free to contact us for a quote.  


  • Subaru OEM vacuum breather hose.
  • 21.5mm Outer Diameter 
  • Labeled #1 in the engine product image
  • This is the larger diameter breather hose that connects the cylinder head to the black metal tube (crank case breather) on the RIGHT SIDE (USA passenger side).
  • Optional clamps sold separately
  • Sold individually

JDM version 7/8/9 ej205
JDM version 7/8/9 ej207
USDM STi ej257 2004-2011
USDM WRX ej255 2006-2007
USDM Forester XT 2004-2008
USDM Baja Turbo 2004-2006

Subaru spring clamp

Optional Add-on hose clamps
Sold separately. From the factory, some Subaru engines use one-time crimp clamps for the breather hoses, while others have reusable spring clamps. If your engine has crimp clamps then convert them to spring clamps with the optional add-on clamps. 

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