Is this the jasper? Seems to suggest it fits a Puma but would still check. It does as Grogee says seem to be a very generic part.
https://www.ebay.co.uk/itm/RUBBER-BUFFER-SUSPENSION-FOR-FORD-SIERRA-HATCHBACK-GBC-GBG-LSE-R2C-R6A-TOPRAN/352917442055?epid=1127047146&hash=item522b84ce07:g:1OUAAOSwxGBdMoj4