Installing a dishwasher tub gasket

https://sopuli.xyz/post/43160798

Is this what you have? https://www.geapplianceparts.com/store/parts/spec/WD08X23476

Found it via the “body” parts diagram from the link you posted.

WD08X23476 | Gasket Tub Plastic | GE Appliances Parts

Gasket Tub Plastic

Yes, that is what I ordered, though the OEM part is perpetually unavailable, but coming soon.