Mercury Outboard Fuel Pump Diaphragm 55156A5 80hp 115hp 150hp 40hp 1970s 55278A1

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Item Description

Also part of this assembly is the diaphragm kit 55278A1
Found on various Mercury 4-cylinder & 3-cylinder outboards with dual fuel pumps that look like this, newer models (serial group #2) had a competely different style of pump.

General Disclaimer (please read)

These are New-Old-Stock Parts from a large mercury Mark & K models cabinet I have.
Some of these parts might work on more models than listed in the title and/or the description, Please do your own research
There might be some surface rust, missing paint, scratches, cosmoline, or other vintage corrosion inhibitor that may need to be cleaned off prior to use.
You may not receive the exact item as pictured, but the one you will receive will be identical in equal or better condition.
Please inspect pictures closely, and if there is something I missed or seems incorrect please let me know!
Any original packaging pictured is not included!
If you have any questions about these parts or need something similar or related to these, please ask as there is a fair chance that I have it even if it's not listed.

Please contact me with any additional questions.

This item may work on these other Outboards models please do your research or ask for help.
Years: 1970 1971 1972 1973,1974,1975
40hp 50hp, 65hp 650,70hp 700 75hp 750 80hp 800 85hp 850 90hp 900 115hp 1150 125hp 1250 135hp 1350 140hp 1400 150hp 1500
Serial #'s 3502806 THRU 4865677