I think they are no longer available but I have a vague memory of a German aftermarket source. Sorry for the feeble answer, but I think that apart from the wreckers yard it's going to be hard to find one.

It might be a job for a 3d printer.

Alistair

> On Sep 7, 2015, at 4:49 PM, mike riley <mkriley1@HOTMAIL.COM> wrote:
> 
> anyone have a source for the curved plastic<85westy> piece that the slider hits when closing thereby preventing a large bang?
> thanks
> mike