Ultra RV shows the hoses as being Superceded with a new Custom Made set.
Price is $397.00.
https://www.ultrarvproducts.com/2611...ine-Oil-Cooler
As mentioned above, any competent hose shop can make you new hoses.
Hopefully significantly cheaper.
My only concern would be the connector block that attaches to the other half. I don’t know if that block is a standard item or not.
Good luck and let us know how it turns out.