I find it hard to believe the water pump shattered as it is one piece of solid aluminum . Do you mean the white porcelain part ? If so , you don ' t need to buy an impeller . I rebuilt my water pump three times because I broke it twice after an incorrect assembly after a bottom engine rebuild . The reason why I broke it was because I was I accidentally swapped rings 92025 and 411 . ### Be careful at distinguishing which washer is which or you will break the porcelain seal . If I were you , I would buy 92049 , 49063 , 92025 , and of course the oring 670 and the gasket . They ' re all pretty cheap , and there ' s nothing worse than having to do the job more than once . To pull the oil seal takes a bit of time but it ' s not too bad . I followed this guy ' s advice which made it was pretty easy . As far as buying the parts , I ' ve had no experience with that vendor , so I have no opinion . I ' ve used partzilla , bike bandit , Ron Ayers , and KawasakiPartsHouse . Partzilla is probably my favorite . Good luck . We are here if you need us .