Availability:available
Producer: Denso
The factory/OEM Denso replacement front O2 sensor for Subaru 2.5 WRX and the Subaru Impreza 2.5 STI - Not the newer Hatchback shape . The same as fitted to the car when it came out off the factory.
Subaru Impreza GD,GG [2006-2007] 2.5 WRX 2457ccm 230HP 169KW (Petrol)
Subaru Impreza GG,GD [2006-2007] 2.5 WRX STI 2457ccm 280HP 206KW (Petrol) - US Spec
part number: Denso 234-9120