Seller notes

Store Home Hot Seller New Arrival Contact us Upstream or Downstream Oxygen Sensor Note: For clarification purposes Upstream Location is between the catalytic converter and the engineDownstream Location is between the catalytic converter and the tailpipe Fitment For 1997-1999 Audi A4 L4 1.8L; Turbo - Downstream Oxygen O2 Sensor For 1997-1999 Audi A4 V6 2.8L - Upstream Oxygen O2 SensorFor 1997-2000 Audi A4 Quattro L4 1.8L; Turbo - Downstream Oxygen O2 SensorFor 1998-1999 Audi A4 Quattro V6 2.8L - ...

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