NTK is the world's largest supplier and manufacturer of OEM oxygen sensors. Oxygen sensors play a critical role as part of the vehicle's on-board diagnostic system in maintaining optimal engine performance, maximizing fuel efficiency and reducing harmful emissions. While conventional switching oxygen sensors only switch rich or lean, wideband oxygen (or Air-Fuel Ratio) sensors produce a linear output signal that allows the ECU determine exactly how rich or lean an engine is running and make continuous and precise adjustments of the air-fuel mixture to stay closest to stoichiometric, providing the best possible combustion and fewest emissions. A ceramics company at our core, NTK uses state-of-the art technology enabling complete control of the ceramics used in our wideband oxygen sensors from raw material to finished product. Trust The Sensor Specialist for full-line market support and OE application technology.
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2004-2005 | Honda | Civic | EX |
| 2005 | Honda | Civic | EX Special Edition |
| 2003 | Subaru | Baja | Base |
| 2003-2006 | Subaru | Baja | Sport |
| 2003-2004 | Subaru | Forester | X |
| 2003-2004 | Subaru | Forester | XS |
| 2003-2004 | Subaru | Impreza | Outback |
| 2003-2004 | Subaru | Impreza | RS |
| 2003-2004 | Subaru | Impreza | TS |
| 2003-2004 | Subaru | Legacy | GT |
| 2003-2004 | Subaru | Legacy | L |
| 2004 | Subaru | Legacy | L 35th Anniversary |
| 2003 | Subaru | Legacy | L SE |
| 2003-2004 | Subaru | Outback | Base |
| 2003-2004 | Subaru | Outback | Limited |
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