1937 Champion D2C Deluxe Lite Twin
1954 Johnson CD-11
1955 Johnson QD-16
1957 Evinrude Fastwin 18
1958 Johnson QD-19
1958 Johnson FD-12
1959 Johnson QD-20
“Every 20 minute job is only a broken bolt away from a 3-day project.”
"Every time you remove a broken or seized bolt an angel gets his wings."
That’s an early 60’s style pump and I don’t believe rebuild kits are available for them. They seem to be fairly reliable and I have quite a few running motors with these style pumps still on them. If necessary, you could always cut a diaphragm for it.