The Johnson pump washer 01-45659 is suitable for use with Johnson F4B and F35B pumps.

Johnson brass washer will fit the following Johnson pumps:

- F4B-8 pumps (10-24570-01) and F4B-9 pumps (10-24214-1, 10-24629-01, 10-24749-01 & 10-36006-01 (OEM #48080))

- F35B pumps (10-24638-01 (OEM #47986)) and F35B-8 pumps (10-24569-01)