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:

Year	Make	Model	Submodel
2002-2004	Audi	A6 Quattro	Base
2005-2009	Audi	A8 Quattro	L
2002-2005	Audi	Allroad Quattro	Base
2004-2008	Audi	S4	Avant
2004-2008	Audi	S4	Base
2004-2009	Audi	S4	Cabriolet
2003	Bentley	Continental	GT
2000-2002	Volkswagen	Cabrio	GL
2000-2002	Volkswagen	Cabrio	GLS
2001-2002	Volkswagen	Cabrio	GLX
2001-2003	Volkswagen	EuroVan	GLS
2001-2003	Volkswagen	EuroVan	MV
2004	Volkswagen	R32	Base
2005-2006	Volkswagen	Touareg	Base
2004	Volkswagen	Touareg	V8