Lambda O2 Oxygen Sensor Post Cat For Porsche Boxster 986 5.5 2.7 S 3.2 250-24423

Porsche Boxster 986 10/1996-1999 2.5 Convertible. Porsche Boxster 986 1999-2002 2.7 Convertible. Porsche Boxster 986 09/1999-2002 S 3.2 Convertible. The rear oxygen sensor is mainly to detect whether the three-way catalytic converter works normally.

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