NGK Audi A3 2013-2011 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 2011-2013 Audi A3 Base 2012-2013 Audi A3 Quattro Base 2011-2014 Audi A4 Base 2015-2016 Audi A4 Premium 2015-2016 Audi A4 Premium Plus 2015 Audi A4 Prestige 2011-2012 Audi A4 Quattro Avant 2011-2014 Audi A4 Qu