all old and crinkly (some might say that suits me

I've tried soaking in Autoglym rubber gloop but they're not really responding; I guess they've been
subject to lots of ultraviolet over the decades and that's taken it's toll.
Bit of a long shot but does anyone have a couple of these that need
a good home?
Part No 92075-1049 No 3 in the image below.
(Compo will now pipe up and say 'why didn't you just ask me'

