Breather Hose - Crank Case to Left Head

Breather Hose - Crank Case to Left 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 #2 in the engine product image
  • This is the larger diameter breather hose that connects the cylinder head to the black metal crank case breather tube on the LEFT SIDE (Battery side). 
  • Optional clamps sold separately
  • Sold individually

JDM version 7/8/9 ej205
JDM version 7/8/9 ej207
USDM STi ej257 2004-2005
USDM Forester XT 2004-2005
USDM Baja Turbo 2004-2006
Subaru spring clamp

Optional Spring Clamp
Sold separately. From the Subaru factory, some engines have breather tube clamps that are one-time use crimp style, while other engines have reusable spring clamps. If your engine has crimp clamps then convert them to spring clamps with the optional add-on clamps. 

subaru pcv hose breather

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