NGK Audi A4 1999-1996 Direct Fit Oxygen Sensor

NGK Audi A4 1999-1996 Direct Fit Oxygen Sensor

Marsoni

M251S

$164.00

Get it in 3 business days with 1 day shipping. Friday, May 29

NGK Audi A4 1999-1996 Direct Fit Oxygen SensorNTK 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

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Reviewed in the United States on June 8, 2025