mack truck turntable parts

dad is just wondering where he can order parts from for a truntable off of a mack truck, ivex turntable e4865k8163 and it has a jost king with a number on it 5k2105-19, im only going off what he gave me, he needs new parts as ordering for work, thanks guys.

g'day Kane .. try D'Angelo engineering in Laverton Vic....a very professional outfit....cheers mate