Complete Mercury 1643-7406a31 Outboard Gearcase Lower Unit Long Shaft 50hp 60hp 70hp 3cyl Set [vJeoId4A]

Removed from a  Mercury Outboard 50hp - Inline 3 Cyl. cylinder Two 2-Stroke (6428681-0B122929) 

• Part #'s
• Lower Gearcase Assembly 1643-7406A31 (Housing Stamped 1643-6458)
  • Functionally Equivalent to the Following Numbers:
    • 1643-9539A3
    • 1643-7406A42 (Mariner)
    • 1643-9539A9 (Mariner)
  • Related Gearcase numbers (Not related to shaft length)
    • 1643-7406A16 / 1643-7406A41 / 1643-9539A1 / 1643-9539T1 / 1643-9539A8 / 1643-9539T8

• Compatibility
  • Generally found on the 3cyl  2-stroke 50hp / 60hp / 70hp Mercury & Mariner Outboards from the 1984-1990
  • Make sure yours looks just like this.
• Item Condition and Notes:
• Good Working Condition
• Shaft Measures Roughly 21-3/4" From the top of the Water Pump housing to the tip of the drive shaft..... (See Pictures)
• This is the long shaft model.... Please measure yours to ensure you are ordering the right one.
• Shifts Correctly
• Original Paint
• Pressure Tested

• Yours should look like this one.
• Please ask if you are unsure if this part will work for you. Please send model and serial number.
• You will receive what is in the pictures.
• Please inspect pictures closely for condition.
• Purchase with confidence!

Please contact me with any additional questions.

• Other Related Models: 
• This item may work on these other Outboards models please do your research or ask for help.
• May Work On These Years: 1984, 1985, 1986, 1987, 1988, 1989, 1990  (and possibly others)
• May Work on These Horsepowers 50hp 60hp 70hp (and possibly others)
• Mercury, Mariner, Tracker, Sea Ray, Force