On the airbag canisters the conectors look the same but the labels are different so they may be compatible. Hopefully someone more knowelgable than me can weigh in on this. I don't think that you can buy just the cover from the dealer so it may be easier just to buy the whole airbag assembly.
Toyota:
https://parts.toyota.com/p/Toyota__8...U00307066.html
Used:
https://www.redlineautoparts.com/sub...bag-srs-fb030/