Please make sure this is the correct part before buying. In this product page you can see a ORIGINAL VAUXHALL CASCADA, ZAFIRA C 1.6, 2.0 DIESEL EXHAUST DPF SENSOR. 55501897 that will fit a Vauxhall Cascada and any of the vehicles in the compatibility list. This vehicle part is a New part, so please ensure it is the right one before buying.