NGK Audi A4 2006-2001 Direct Fit 5-Wire Wideband A/F Sensor

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
2001-2005	Audi	A4	Base
2003-2006	Audi	A4	Cabriolet
2001-2005	Audi	A4 Quattro	Avant
2001-2005	Audi	A4 Quattro	Base
2005-2006	Audi	A8 Quattro	Base
2004-2006	Audi	A8 Quattro	L
2004-2006	Audi	TT Quattro	Base
2006	Audi	TT Quattro	Special Edition
2003-2006	BMW	325Ci	Base
2003-2005	BMW	325i	Base
2004-2005	BMW	545i	Base
2004-2005	BMW	645Ci	Base
2003-2006	Porsche	Cayenne	S
2001-2005	Volkswagen	Beetle	GL
2001-2005	Volkswagen	Beetle	GLS
2001-2002	Volkswagen	Beetle	Sport
2001-2006	Volkswagen	Golf	GL
2001-2006	Volkswagen	Golf	GLS
2000-2005	Volkswagen	Jetta	GL
2000-2005	Volkswagen	Jetta	GLS
2003-2005	Volkswagen	Passat	GL
2001-2005	Volkswagen	Passat	GLS
2004-2005	Volkswagen	Passat	GLS 4 Motion