Located after the catalytic converter
Audi Oxygen Sensors
Keep your engine running efficiently
10X Entries For Our 25th Anniversary Sweepstakes!
For cylinders 1-3 & 6-8
This product was last offered at the strikethrough price on
05-29-2026
Located before catalytic converter, restore mileage and clear codes
2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
This product was last offered at the strikethrough price on
05-07-2026
Keep your engine running efficiently, restore MPG, and clear check engine lights
For vehicles with ATC engine code only
This product was last offered at the strikethrough price on
03-19-2026
Located before catalytic converter, restore mileage and clear codes
2X Entries For Our 25th Anniversary Sweepstakes!
Keep your engine running efficiently
Located before catalytic converter, restore mileage and clear codes
BUJ Engine Code Only
Stainless steel weld-in nut for any O2 sensor
Tool comes with both 1/2" and 3/8" drive.
Located behind the catalytic converter
Fits left side
This product was last offered at the strikethrough price on
05-02-2026
Extra length is needed sometimes
Keep your engine running efficiently
Keep your engine running efficiently
2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Engine code AUX (2001 + model year)
This product was last offered at the strikethrough price on
02-21-2026
Keep your engine running efficiently
Up to VIN 8D-W-007799, split is in the 1998 model year
This product was last offered at the strikethrough price on
05-07-2026
Keep your engine running efficiently
From VIN 8D-W-007800, split is in the 1998 model year