Download the PDF spreadsheet of all FAA Parts Manufacturing Approval eligible parts available from Univair. You will need the free Adobe Acrobat Reader to view this file. Once you have opened the file, you can search for a particular part number by hitting CTRL-F on your keyboard to bring up the search field.
Note to Piper Customers: If you are unable to find a Piper part when entering it with a two digit suffix (i.e. 85552-02), add an extra zero to the suffix (i.e. 85552-002).