The Johnson pump shaft 01-46541 is suitable for use with Johnson F4B-9 pumps, as well as Yanmar 128990-42500 pumps. Will replace Yanmar X0146541000 pump shafts.

Johnson stainless steel shaft AISI 329 (SUS 329J1) will fit the following Johnson pumps:

- F4B-902 pumps (10-24509-02 (Yanmar))

- F4B-903 pumps (10-13337-01 (Yanmar 128990-42500), 10-24509-01 (Yanmar))