We do have a starter motor in stock:
viewtopic.php?t=2486 - but it is £180 plus postage

- The one on Ebay - is it for a 2.8 litre engine? - but with a bit of research, I'm sure you can find the right one if that isn't it. Renault may be easier to search for. Here is a start:
viewtopic.php?f=25&t=260You could also try Dave Howarth:
viewtopic.php?f=35&t=201As for the alternator, I know Stuart in Banbury was able to get one using this page and his local motor factors:
viewtopic.php?f=25&t=2213 - the original was 90amps, but yes you want at least 105 or 110 amps - you won't get 140 amps in this country. There are loads of Renault alternators that fit, start with a Renault 25 and go from there. Follow the links on that page.