If you have cloth, I wouldn't even bother trying to find OEM fabric, it's way too itchy for a touch point. You could get a yard of much nicer fabric that would match well from your local fabric store.
I am not aware of any direct OEM replacements aside from ones from junkyards or from AliExpress.
Relicate leather has a good selection of materials of you feel crafty enough to make your own.. You'd need to cut your own and probably do a bit of sewing. I imagine using some kind of adhesive would be a good idea.