Located after the catalytic converter
Fits the right side
Volkswagen MK4 Oxygen Sensors
Keep your engine running efficiently, restore MPG, and clear check engine lights
For vehicles with AWD engine code only
Tool comes with both 1/2" and 3/8" drive.
O2 Sensor Socket
Extra length is needed sometimes
Stainless steel weld-in nut for any O2 sensor
Keep your engine running efficiently
Keep your engine running efficiently, with a new O2 sensor