Hi mate and welcome it might be easier to phone Nissan and book a test drive, you don't have to buy one from them but it would give you a good idea of how they drive
Here you go https://www.ebay.co.uk/itm/Front-OR-Rear-Windscreen-Washer-Pump-Fits-Nissan-350Z-2006-2007-2008-2009-Coupe/231444965800?fits=Car+Make%3ANissan|Model%3A350+Z+Roadster&hash=item35e331e9a8:g:1qkAAOSw2-pc37NB