Onan 4000 hose replacement

I've noticed the end of a hose is starting to get chewed up a bit. Does anyone have a part number/link (assuming I can buy online) for the hose circled in green?

https://get.google.com/albumarchive/101816963067355378244/album/AF1QipORQ820fkZvUGgaCC8PGh2SAz2CEaUj6HXy4Ndv