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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We offer a 30-day return/exchange service after receiving.
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perfect fit for my 2022 civic! took 5 min! (not an exaggeration) soooo many youtube videos but alll you gotta do is - 1) locate engine air filter holder 2) undo fasteners on the sides 3) lift black part up 4) pull out old filter 5) put in new filter, 6) redo fasteners DONE! dealership wanted to charge me $85 for this!!!!! forget that , do it yourself! it’s easy for girls too!! don’t be intimated :)

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Reviewed in the United States on October 29, 2025

Verified Purchase

Steve S.

West Palm Beach, US

★★★★★ 5

Great product!

High quality; great product; highly recommended!

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Reviewed in the United States on July 27, 2025