Yanmar 129054-42320 o-ring circulation pump
OverviewO-ring for the internal water pump for all JH series engines.
O-ring between the freshwater pump and the cylinder head.
Also order the gasket 129486-42050.
O-ring for the internal water pump for all JH series engines.
O-ring between the freshwater pump and the cylinder head.
Also order the gasket 129486-42050.