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| Sensor Type | Air Fuel Ratio (Wideband) |
| Position | Front Upstream Pre-Catalyst |
| Connector Type | 4-Pin |
| Wire Count | 4 |
| Cable Length | 670 mm |
| Thread Size | M18 x 1.5 |
| Voltage | 12V |
| Signal Type | Wideband Current Pump |
Manufacturer No.
22641-AA04222641AA042192400-610032005978
OEM Part No.
22641-AA04222641AA042
Engine Part No.
Subaru EJ20 2.0L Turbo H4
Interchange No.
234-9011250-54004EGO-1143200597881556ADS77011C
Fitment Vehicles
Subaru Impreza WRX 2002-2005Subaru Forester GT 2000-2005Saab 9-2X 2005
Diagnostic And Workshop Supplies - Industrial Encyclopedia
Genuine Subaru 22641-AA042 front air fuel ratio oxygen sensor for 2002-2005 Impreza WRX and Forester 2.0L turbo models. 4-wire wideband lambda probe, pre-catalyst location.