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. Providing constant closed loop feedback to the ECU, oxygen sensors help to control the air-fuel ratio while alerting OBDII systems of possible problems with fuel delivery or catalytic converter efficiency. A ceramics company at our core, NTK uses state-of-the art technology enabling control of the ceramic element used in our oxygen sensors from raw material to finished product. Trust The Sensor Specialist for full-line market support and OE application technology.
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| Year | Make | Model | Submodel | 
|---|---|---|---|
| 2003-2004 | Ford | Focus | LX | 
| 2007-2011 | Ford | Focus | S | 
| 2003-2004,2007-2011 | Ford | Focus | SE | 
| 2009-2011 | Ford | Focus | SEL | 
| 2007-2011 | Ford | Focus | SES | 
| 2007 | Ford | Focus | ST | 
| 2003-2004 | Ford | Focus | ZTS | 
| 2003-2004 | Ford | Focus | ZTW | 
| 2003-2006 | Ford | Focus | ZX3 | 
| 2005-2006 | Ford | Focus | ZX4 | 
| 2005-2006 | Ford | Focus | ZX4 ST | 
| 2003-2006 | Ford | Focus | ZX5 | 
| 2005-2006 | Ford | Focus | ZXW |