Spare kit for water pump from 5/85, low budget

Repairset for the coolung pump as no name product.
fit to Wartburg 353 (from vintage Mai 1985) and all Barkas B1000 (3 cylinder 2-stroke engine)
complete set consist of:

• 1x fan wheel
• 1x membran gasket compl.
• 2x ball bearing
• 1x distance bush (inner bush)
• one set will be needed
• no name, producer unknown

In the exploded view Spare kit for water pump from 5/85 is number 8359.