Used lower unit gearcase for a 1986 - 1987 - 1988 - 1989 45 hp Classic 50 and 1991 40 hp Mercury outboard motor OEM 1643-9539A5

Hustonville KY  40437       606-346-2446          EMAIL: nicksmarine@hotmail.com​       Home Page

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Used lower unit gearcase for a 1982 70 hp Mercury or Mariner outboard motor. OEM numbers: 1643-9539A3, 1643-7406A31, 1643-7406A18, 1643-6459A5

Used lower unit gearcase for a 1986 - 1987 - 1988 - 1989  45 hp Classic 50 and 1991 40 hp Mercury outboard motor  OEM 1643-9539A5

Pressure tested, new water pump impeller and new lower unit oil.  
$895.00

ON SALE!            $595.00    (3 in stock)       NLA         OEM price was $2812.00        

                            FREE SHIPPING TO ANY OF THE LOWER 48 STATES             

Used lower unit gearcase for a 1982 70 hp Mercury or Mariner  outboard motor.  OEM numbers:  1643-9539A3, 1643-7406A31, 1643-7406A18, 1643-6459A5

Pressure tested, new water pump impeller and new lower unit oil.  Ready to go.

$595.00                (2 in stock)       NLA          OEM price was $2812.00    

                                               FREE SHIPPING TO ANY OF THE LOWER 48 STATES                                              


Used empty lower unit gearcase for a 1990 90 hp Mercury outboard motor. OEM number 1667-9011T73, A73, A6
Used lower unit for a 1984 Mercury 90 hp or 115 hp outboard motor. Inline 6 cylinder engine.

Used empty lower unit gearcase housing for a 1990 90 hp Mercury outboard motor. 

OEM number 1667-9011T73, A73, A6

$375.00          FREE SHIPPING TO ANY OF THE LOWER 48 STATES                      


Used 1995 Mercury 20 hp outboard motor lower unit gearcase. Short shaft engine.

Used lower unit for a 1984 Mercury  90 hp or 115 hp outboard motor.  Inline 6 cylinder engine.

Pressure tested, new water pump impeller and new lower unit oil.  Ready to go.

$695.00       FREE SHIPPING TO ANY OF THE LOWER 48 STATES

Used lower unit gearcase for a 1972 TO 1977 65 hp Mercury 3 cylinder outboard motor.  New seals, shift shaft bushing, new impeller and base housing, new oil and pressure tested.

OEM part numbers:  1643-4814A8, 1643-4931A8, 1643-6038A20
$395.00                (TWO in stock)          NLA          OEM price was $2589.00

FREE SHIPPING TO ANY OF THE LOWER 48 STATES

Used lower unit gearcases for Mercury and Mariner outboard motors.

​All of our lower units have been serviced and pressure tested and are in good condition.

PICTURE COMING SOON

Used 1995 Mercury 20 hp outboard motor lower unit gearcase.  Short shaft engine.  

Pressure tested, new water pump impeller and new lower unit oil.  Ready to go.

$375.00        FREE SHIPPING TO ANY OF THE LOWER 48 STATES


Hustonville KY  40437
606-346-2446
EMAIL:  nicksmarine@hotmail.com