Subaru Breather Hose Rear Driver Side Valve Cover to Crossover 2004-2016 STI

Breather hose located on driver (LEFT) side rear-most valve cover.

Part 1AB343 on the diagram (2004-2005 STI).

Part 99801 on the diagram (2004-2016 STI).

Available for all 2004+ Subaru WRX STI. (Choose from 2004-2005 STI or 2006-2016 STI.)