Oxygen O2 Sensor 22641-AA220 for Subaru Liberty Outback STI EJ20 2003-2006

Upgrade your Subaru Liberty Outback STI with the premium quality Oxygen O2 Sensor 22641-AA220. Designed for the EJ20X and EJ20Y engines from 2003 to 2006, this OEM spec sensor enhances fuel management and ensures efficient emission control.

Key features include:
- Part number 22641-AA220, replacing 22641-AA390 and 22641-AA391
- Improves fuel economy, power delivery, and exhaust emissions
- Easy installation for both automatic and manual transmissions

Compatibility is guaranteed for the Subaru Liberty/Outback STI, 2.0L Turbo (MY04-MY06 Auto Trans & MY05/MY06 Manual Trans). Remember to check your existing part number before purchasing. Enjoy worry-free performance with a 2-year warranty on this essential upgrade.