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.
This Part Fits:
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2005-2009 | Audi | A8 Quattro | L |
- 2005-audi-a8-quattro-l-esi8638107
- 2006-audi-a8-quattro-l-esi3541400
- 2007-audi-a8-quattro-l-esi1496041
- 2008-audi-a8-quattro-l-esi7904543
- 2009-audi-a8-quattro-l-esi5648926
- ClearanceItem:N
- EPA:N/A
- fits_2005-2009`Audi`A8 Quattro`L
- LTL:N
- MPN:25661
- Non-CARB:N
- Programmers & Chips>Oxygen Sensors
- Prop65:Y
- SpecialOrder:Y