Concerning part search different questions matter:

Do you want the results encompass a wide range of adequate parts or special ones?

Do you want to search a certain catalog or directory?

Are concrete parameters like diameter or length for example already determining or do you only want to search adequate part families in a first step?

Do you want to substitute a certain part?

Is a reference part available?

Do you know the exact designation?

The search options take account of the various requirements:

PARTdataManager with "Parts selection [Part selection] " tab page

In the following you can find explanations on the single setting options or functions. Each point contains links to detailed information: