Parts for Mercury Marine 55 HP (3 Cylinder) Crankshaft, Pistons & Connecting Rods
View diagram and parts list below.
Reference numbers in this diagram can be found in a light blue row below — scroll down to order.
#1 | 2411-827954A 2 | CRANKSHAFT ASSEMBLY (1 required per assembly) |
![]() |
2411-827954A 2 - 2411-827954A 2 - CRANKSHAFT ASSEMB O [ More info ] Unavailable Replaced by 2411-827954T 2 |
|
![]() ![]() |
||
#2 | 43-43019A 2 | GEAR ASSEMBLY (1 required per assembly) |
![]() ![]() |
||
#3 | 30-63742 | BEARING, Ball (1 required per assembly) |
![]() ![]() |
30-63742 - 30-63742 - BEARING Ball O [ More info ] Unavailable Replaced by 30-63742T |
|
![]() ![]() |
30-63742T - Ball Bearing [ More info ]
|
|
![]() ![]() |
||
#4 | 53-812877 | RING, Retaining (1 required per assembly) |
![]() |
||
#5 | 28-91800 | KEY, Woodruff (2 required per assembly) |
![]() ![]() |
||
#6 | 31-818889A 1 | BEARING ASSEMBLY, Roller (1 required per assembly) (TOP) |
![]() ![]() |
31-818889A 1 - Bearing Kit [ More info ]
|
|
#7 | 26-817397 1 | SEAL, Oil (1 required per assembly) |
![]() ![]() |
||
#8 | 827955A 2 | BEARING ASSEMBLY (2 required per assembly) |
![]() ![]() |
||
#9 | NSS | NOT SOLD SEPARATE, Roller (56 required per assembly) |
![]() |
NSS - NOT SOLD SEPARATE O [ More info ] Unavailable |
|
#11 | 705-850026A 1 | PISTON ASSEMBLY (3 required per assembly) (STANDARD) |
![]() |
705-850026A 1 - 705-850026A 1 - PISTON ASSEMBLY O [ More info ] Unavailable Replaced by 705-850026T 1 |
|
![]() ![]() |
||
#11 | 705-850026A 2 | PISTON ASSEMBLY (3 required per assembly) (.015 O.S.) |
![]() |
705-850026A 2 - 705-850026A 2 - PISTON ASSEMBLY O [ More info ] Unavailable Replaced by 705-850026T 2 |
|
![]() ![]() |
||
#12 | 40-52035 | RING, Lock (6 required per assembly) |
![]() ![]() |
||
![]() ![]() |
||
![]() ![]() |
||
#13 | 39-831255A 6 | RING SET, Piston (3 required per assembly) (STANDARD) |
![]() ![]() |
||
#13 | 39-821695A 6 | RING SET, Piston (3 required per assembly) (.015 O.S.) |
![]() ![]() |
||
#15 | 640-9612A 6 | CONNECTING ROD ASSEMBLY (3 required per assembly) |
![]() |
||
#16 | 12-812876 | WASHER (6 required per assembly) |
![]() |
||
![]() |
||
#17 | 29-47270 | BEARING (87 required per assembly) |
![]() ![]() |
29-47270 - BEARING [ More info ] Unavailable |
|
![]() ![]() |
||
#18 | 10-91012 | SCREW, (.250-28 Special) (6 required per assembly) |
![]() ![]() |
||
#19 | 31-17514A 1 | BEARING KIT (3 required per assembly) |
![]() ![]() |
31-17514A 1 - 31-17514A 1 - BEARING KIT O [ More info ] Unavailable Replaced by 31-8M0045428 |
|
![]() ![]() |
||
![]() ![]() |
||
![]() ![]() |
||
#- | 852071A97 | POWERHEAD ASSEMBLY (1 required per assembly) |
![]() |
852071A97 - 852071A97 - POWERHEAD ASSEMBL O [ More info ] Unavailable Replaced by -852071T97 |
|
![]() |