Audi A4 S4 A6 S6 Quattro Allroad and VW Passat 4motion Pre Cat upstream O2 Oxygen sensor for Quattro 2.7 Turbo, 2.8 and 4.2

2 Required - 1 x Left and 1 x Right

LEFT and/or Right Pre Cat Upstraem O2 Oxygen sensor for some Audi A4 S4 A6 S6 Quattro Allroad and VW Passat 4motion 2.7 Turbo, 2.8 and 4.2 engines as per  the table below.

Please use compatibility abouve as a guide only and compare your part with the photos to ensure your plug is the same and length from extreme end of plug to exhaust is approx 575mm.

A failed oxygen or O2 sensor on your Audi A4 S4 A6 S6 Quattro Allroad and VW Passat 4motion 2.7 Turbo, 2.8 and 4.2  engine can cause excessive fuel consumption, lack of power, smoke and a check Engine Light or CEL.

These O2 sensors have a 12 month warranty period from Auto Sensors Australia. Please check table below for fitment details. Auto Sensors Australia are here to help and have been serving the professional motor trade and home mechanic on ebay since 2003.

12 Month Warranty 

IMPORTANT NOTE - Please use the compatibility table above as a guide however note that the years noted do not cover all the year as there may have been more than one sensor fitted that year. You need to also check the photo and confirm that the length of your sensor from the extreme tip of the plug to the threrase where it is screwed onto the exhaust is 575mm.