big thanks to
anglia105e hinson who came up with this little gem.
thought i would post this as this part seems obsolete and very hard and expensive to get hold of, so here it is at a fraction of the cossie tax price.
the Escort/Sierra 4x4 Fan Belt Tensioner.
below are pictures of the original ford item and my replacement complete with gates part number.
original ford item
and heres my replacement
complete with gates part numberc
hope this helps everyone out