NGK Audi A4 Quattro 2009 Direct Fit Oxygen 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. 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
2009	Audi	A4 Quattro	Base
2008-2010	Audi	A5 Quattro	Base
2012-2014	Audi	A6 Quattro	Premium
2012-2015	Audi	A6 Quattro	Premium Plus
2012-2015	Audi	A6 Quattro	Prestige
2012-2013	Audi	A7 Quattro	Base
2014-2015	Audi	A7 Quattro	Premium Plus
2014-2015	Audi	A7 Quattro	Prestige
2013-2014	Audi	A8 Quattro	Base
2013-2014	Audi	A8 Quattro	L
2009-2010	Audi	Q5	Premium
2009-2017	Audi	Q5	Premium Plus
2009-2017	Audi	Q5	Prestige
2010-2013	Audi	S4	Base
2014-2016	Audi	S4	Premium Plus
2014-2016	Audi	S4	Prestige
2013,2017	Audi	S5	Base
2010-2013	Audi	S5	Cabriolet
2014-2016	Audi	S5	Premium Plus
2014-2016	Audi	S5	Prestige
2014-2017	Audi	SQ5	Premium Plus
2014-2017	Audi	SQ5	Prestige