Quote:
Originally Posted by Tony Smith
Darren, Mac's are good at range and pricing, but the proper water pump kit for the double pulley truck pumps (79-8591) seems to be perpetually out of stock with them, and you might need to go on a back order waiting list. 
If you need it quick, or want to step up in quality, try Mike Davidson in South Australia for his aluminium pumps. Keith Webb has just fitted a pair of these to the Swiss F15, and says with a coat of paint, you'd never know the difference, but the quality and reliability are much better than rebuilt originals. |
That's almost correct - the difference is the pulleys he supplies are machined from a billet and look different. Apparently the shaft size is the same and standard pulleys can be fitted. The pumps have improved impellers and proper ceramic seals which work, unlike the rather hit or miss originals.