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Water Pump Impeller Kit
4JH & 4JH2 Series Yanmar Engines

Part #: Z3322
This impeller kit is the factory replacement for Yanmar 4JH2 Series Engines. It includes the factory impeller #129470-42532 and the factory cover o-ring #X24341-000600.
This pump was used on the engines listed below (and the boats that we are aware used these engines... There could be other combinations as well):
• 4JHE (Catalina 42)
• 4JH2GB (Catalina 42)
• 4JH2-HT-BE (Catalina 470)
• 4JH2-UTE (Catalina 50)
• Outside diameter (of a new impeller): 56.28 mm (2-1/4")
• Width: 31.38 mm (1-1/4")
• Inside diameter: 16.33 mm (5/8")
• Quantity of Blades: 9

Technical Support

Water Pump Rebuild Tips
 Helpful tips for a task that requires careful work. Never run the pump dry!