Woohoo!! Tom, cheers mate! I did a search on ebay only a couple of days ago but was only getting a vauxhall pump. Genius, thanks! 
I did get under and have a look, but theres this damn great thing called an oil sump in the way! Think the bumper etc would have to come off. I'd rather pay the ?35 I was quoted!good good.
I dont even bother with dealerships these days to be honest excpt to get any spare parts.in the last year all ive had to get from them is a lower grill.
Hope that pump sorts out your problem although you could always jack it up and see if you can fix it yourself and save a few quid.