Brand new genuine Bosch pre cat lambda sensor part number 0258005182 as fitted to Porsche Boxster 2.7 & 3.2S 1999-2002.

The Porsche part numbers for this item are 98660612700 & 98660612701

Bosch make these parts for Porsche originally so these are OE equipment

Please make sure this is the correct part for your vehicle before ordering, if your not sure then send your reg or chassis number and I can check.