Broken speedo cable

Had to replace the ignition switch ( thank god for the immobiliser .. as some 'orrible oiks smashed the old one trying to hot wire my landy ) and in doing I've broken the speedo cable where it joins the speedometer.
Does anyone know what the replacement part number I need. I have a 1994 "M" reg Defender 90 300TDI chassis number 948461 and where the best place to get hold of one. I am in Bedfordshire or is there an on-line source thats reliable and reasonably priced? Thanks

Try a google search fur PRC6022 and see if that's any guid