50, 55, 60hp. Mercury outboard parts listing Mercury outboard parts listing 50 / 55 / 60 hp. # Item 1 # 85180 Tube seal $4.98 OEM # 43023 1 # 85182 Tube seal (4 stroke) $5.98 OEM # 859770-1 2 # 31590 Insulator $4.98 OEM # 23-43045 3 # 12417 pump housing $57.98 OEM # 14334A3 4 # 89616 impeller $28.98 OEM # 47-19453T 5 # 34790 Gasket $4.98 OEM # 27-822189 6 # 12506 Wear plate $6.98 OEM # 19700A2 7 # 37470 Gasket $4.98 OEM # 27-19701 8 # 12352 Pump base $31.98 OEM # 46-812966A7 9 # 82250 O-ring (5 units) $4.98 OEM # 25-30224 10 # 86870 Oil seal $10.98 OEM # 26-814670 11 # 86860 Oil seal $8.98 OEM # 26-814669 12 # 11167 Drive shaft (long) $409.98 OEM # 45-812731 13 # 85581 Oil seal $6.98 OEM # 26-816464-1 14 N/A 15 # 21136 Retaining ring (2 units) $4.98 OEM # 53-29641 16 # 31170 Gasket $4.98 OEM # 12-19183-3 17 # 21731 Drain screw $4.98 OEM # 22-67892A1 18 # 22420 Screw set $4.98 OEM # 10-79953Q2 19 # 11184 Shift cam $15.98 OEM # 76039-4 20 # 11192 Pinion nut $4.98 OEM # 11-55910 21 # 85120 Oil seal $7.98 OEM # 26-69188 r>21 22 # 85520 Oil seal $8.98 OEM # 26-69189 23 #21290 Thrust Hub $9.98 OEM # 73345A1 24 # 21220 Tab Washer (5 Units) $4.98 OEM # 14-76281 25 # 21240 Prop Nut (4 Units) $4.98 OEM # 11-69758A1 26 # 21585 Bearing $18.98 OEM # 31-77420A1 27 # 21541 Bearing $38.98 OEM # 31-812767A1 28 # 11063 Clutch Dog $142.98 OEM # 52-850048T 29 # 82310 O-Ring (5 Units) $4.98 OEM # 25-815460 30 # 11394 Bearing Carrier $12.98 OEM # 19291A3 31 # 23224 Shim Set $17.98 OEM # 15-812770A1 32 # 23223 Shim Set $13.98 OEM # 15-812769A1 33 # 11428 Bearing $7.98 OEM # 31-21700 34 # 11562 Pinion and Forward Gear Set $290.98 OEM # 43-803499T1 35 # 11572 Reverse Gear $152.98 OEM # 43-813695T 36 # 15001 Trim Tab $14.98 OEM # 17264T2