NGK Audi 4000 1986-1980 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 1980-1983 Audi 4000 Base 1982-1983 Audi 4000 GT 1982-1984 Audi 4000 S 1986-1987 Audi 4000 Quattro CS 1984-1985 Audi 4000 Quattro S 1979-1983 Audi 5000 Base 1985 Audi 5000 CS Turbo 1979-1987 Audi 5000 S 1980