Jonny B, yes there are those two, but there is a third part in Group 42 001, number 276 on the drawing and this is the one I referred to:
A 110 428 00 81 RUBBER PAD, replaced with A 110 428 01 81
A 110 428 01 81 HOSE, replaced with A 126 328 01 81
A 126 328 01 81 RUBBER BUSHING
This is the one that is a rubber cylinder with a hole through it, pre-cut on the side. Just as pictured on Authentic Classic pages.
It is also used for fuel lines, Group 47 001, part 154 on the drawing - this is where the system is sending you when you search for the number.