In most cases yes, they are the same, and if you cannot find a BRP part, try searching for the Sea-Doo equivalent We have assembled a table that cross references many BRP/Rotax parts to Sea-Doo:
https://docs.google.com/spreadsheets/d/1vhSCgUewAHo8idJXxHkRNVJUXKJenilM/edit?usp=sharing&ouid=114894807065749479365&rtpof=true&sd=true
One note, many BRP parts have a leading zero that may sometimes be removed, so for example, if you are searching for part number “0460151”, you may have to search for “460151” instead. (try both)