Check the condition of the item using the pictures. Larger signs of use e. Are always photographed separately or marked in the pictures. Please be sure to compare part numbers. Please provide us with the chassis number of your vehicle. Some of our items, such as control units, are provided with a seal to prevent unauthorized opening of the goods (the housing). This does not affect the usual test for the functionality of the control unit and the seal does not represent an obstacle to the test. You bear the direct costs of returning goods.