Oxygen or lambda sensors are critical to your engines health. If the sensor is faulty you may experience poor gas mileage, rough idling or engine pinging. Please note: this sensor fits 996 2000-01 with the m661 option, stricter emission-control concept oxygen sensor. This sensor also fits the 993 usa (m64.23/24 engine)/ canada (m64.23/24 engine). Sold individually. 2 necessary per car. Left or right side fitment.

This item may need to be sourced from Germany and would take 2-4 weeks to arrive. Once ordered it cannot be canceled. Please call to check stock or request expedited shipping.