If you have a
Search there’s plenty of content on the under trays and heat shields inc’ part numbers, hard to identify which one in your photo.
If you bought it from a dealer they obviously know it’s been cable tied back together (bodged), I would be writing an email (record keeping) to get a cost free resolution.
From your photo the chassis looks very rusty, how old is the van / has it been kept near the sea or estuary?