Take a look at jdparts.com and check out the chute part no's. That might help to learn what else might work for you. Likely is somewhat model specific as there are differences in decks and tractor frame sizes.
There are different chutes for units with the power flow, and for the single bag and the double bag.
Lots of different chutes it appears.
Check it out as then you can match to what you know you have.
Also can price out the chute needed. One listed prices out at $145 from Deere