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Parts for Mercury Mark & Kiekhaefer Mark 30H, 55H Gear Housing Assembly (Mk5555h, Mk55h-1)

Engine Diagram

Ref. No. Part No. Description Manufacturer List Price Your Price Order
#- 1603-1148A 2 GEAR HOUSING ASSEMBLY, COMPLETE (1,1 required per assembly)
MERC PERF PROD    O NLA  
1603-1148A 2 MERC PERF PROD O NLA
(more info)
    UnavailableUnavailable Parts
#1 1603-1148A 1 GEAR HOUSING ASSEMBLY (1,1 required per assembly)
NLA-GEAR HSG 44XS O NLA  
1603-1148A 1 NLA-GEAR HSG 44XS O NLA
(more info)
    UnavailableUnavailable Parts
#- 31-20790 BEARING, ROLLER - PROPELLER AND DRIVE SHAFT (2,2 required per assembly)
BEARING,NLA 31-20790 31-20790
31-20790OEM Part 31-20790 - Roller Bearing GB1112 Q, NLA (more info) About Mercury Marine $25.00 $25.00 Add to shopping cart
10+ in stock. Explain stock levels
#- 10-25853 PLUG, HEADLESS (1,1 required per assembly)
NLA - SCREW       O NLA  
10-25853 NLA - SCREW O NLA
(more info)
    UnavailableUnavailable Parts
#31 16-24585 STUD, GEAR HOUSING TO DRIVE SHAFTHOUSING (LONG) (1,1 required per assembly)
STUD              O - Replaced by 16-24585  1  
16-24585This part has been superseded. STUD O - Replaced by 16-24585 1
(more info)
    UnavailableUnavailable Parts
STUD,NLA 16-24585  1  
16-24585 1OEM Part 16-24585 1 - Stud, NLA (more info) About Mercury Marine $9.00 $9.00 Add to shopping cart
10+ in stock. Explain stock levels
#32 16-20313 STUD, GEAR HOUSING TO DRIVE SHAFT HOUSING (SHORT) (1,1 required per assembly)
NLA - STUD        O NLA  
16-20313 NLA - STUD O NLA
(more info)
    UnavailableUnavailable Parts
#2 45-25681 DRIVE SHAFT (1,1 required per assembly)
MERC PERF PROD    O NLA  
45-25681 MERC PERF PROD O NLA
(more info)
    UnavailableUnavailable Parts
#3 30-21776 BEARING, BALL - DRIVE SHAFT (1,1 required per assembly)
BALL BEARING,NLA 30-21776 30-21776
30-21776OEM Part 30-21776 - Ball Bearing, NLA (more info) About Mercury Marine $45.00 $45.00 Add to shopping cart
10+ in stock. Explain stock levels
#4 25842A 1 PILOT AND OIL SEAL ASSEMBLY (1,1 required per assembly)
PILOT ASY,NLA 25842A 1  
25842A 1OEM Part 25842A 1 - Pilot Assembly, NLA (more info) About Mercury Marine $38.00 $38.00 Add to shopping cart
1 in stock. Explain stock levels
#5 26-26782 OIL SEAL (1,1 required per assembly)
OIL SEAL AT 2     O - Replaced by 26-79831  
26-26782This part has been superseded. OIL SEAL AT 2 O - Replaced by 26-79831
(more info)
    UnavailableUnavailable Parts
SEAL Oil 26-79831 26-79831
26-79831OEM Part 26-79831 - Seal (more info) About Mercury Marine $12.40 $12.40 Add to shopping cart
6 in stock. Explain stock levels
Oil Seal 18-2055
18-2055OEM Match 18-2055 - Seal, 26-79831 (more info) About Sierra Marine $10.99 $8.48 Add to shopping cart
2 in stock. Explain stock levels
#- 15-21887A 1 SHIM, BALL BEARING TO DRIVE SHAFT (.003-5-10) (AR,AR required per assembly)
SHIM ASSY,NLA 15-21887A 1  
15-21887A 1OEM Part 15-21887A 1 - Shim Assembly, NLA (more info) About Mercury Marine $6.00 $6.00 Add to shopping cart
1 in stock. Explain stock levels
#6 15-21886A 1 SHIM, BALL BRG. TO GEAR HSG. AND PILOT (.002-3-5-10) (AR,AR required per assembly)
SHIM ASSY,NLA 15-21886A 1  
15-21886A 1OEM Part 15-21886A 1 - Shim Assembly, NLA (more info) About Mercury Marine $17.00 $17.00 Add to shopping cart
7 in stock. Explain stock levels
#7&11 43-25736A 1 GEAR ASSEMBLY, PINION AND PROPELLER (1,1 required per assembly)
NLA-GEAR SET-44XS O NLA  
43-25736A 1 NLA-GEAR SET-44XS O NLA
(more info)
    UnavailableUnavailable Parts
#- 14-20806 TAB WASHER, PINION GEAR SCREW (1,1 required per assembly)
WASHER-TAB,NLA 14-20806  
14-20806OEM Part 14-20806 - Tab Washer, NLA (more info) About Mercury Marine $2.50 $2.50 Add to shopping cart
10+ in stock. Explain stock levels
#- 10-20807 SCREW, PINION GEAR TO DRIVE SHAFT (1,1 required per assembly)
SCREW,NLA 10-20807  
10-20807OEM Part 10-20807 - Screw, NLA (more info) About Mercury Marine $2.50 $2.50 Add to shopping cart
4 in stock. Explain stock levels
#10 44-21897 SHAFT, PROPELLER (1,1 required per assembly)
NLA-PROPSHAFT 44  O NLA  
44-21897 NLA-PROPSHAFT 44 O NLA
(more info)
    UnavailableUnavailable Parts
#12 17-21156 PIN, PROPELLER GEAR TO SHAFT (1,1 required per assembly)
PIN               O - Replaced by 17-20937  
17-21156This part has been superseded. PIN O - Replaced by 17-20937
(more info)
    UnavailableUnavailable Parts
GEAR PIN          O - Replaced by 17-813061  
17-20937This part has been superseded. GEAR PIN O - Replaced by 17-813061
(more info)
    UnavailableUnavailable Parts
NLA - PIN         O NLA  
17-813061 NLA - PIN O NLA
(more info)
    UnavailableUnavailable Parts
#13 30-21889 BEARING, BALL - PROPELLER SHAFT (1,1 required per assembly)
BEARING Ball 30-21889 30-21889
30-21889OEM Part 30-21889 - Ball Bearing (more info) About Mercury Marine $44.67 $44.67 Add to shopping cart
Available to order:
Usually ships
within 8 days
#14 15-21158A 1 SHIM, PROPELLER GEAR BRG, TO SNAP RING (.003-5-10) (AR,AR required per assembly)
SHIM ASSY         O NLA  
15-21158A 1 SHIM ASSY O NLA
(more info)
    UnavailableUnavailable Parts
#15 53-21159 RING, SNAP - BALL BEARING TO PROPELLER GEAR (1,1 required per assembly)
NLA SNAP RING     O NLA  
53-21159 NLA SNAP RING O NLA
(more info)
    UnavailableUnavailable Parts
#16 15-21884A 1 SHIM, PROP SHAFT BRG. TO GEAR HSG. (.002-3-5-10-31) (AR,AR required per assembly)
SHIM ASSY         O NLA  
15-21884A 1 SHIM ASSY O NLA
(more info)
    UnavailableUnavailable Parts
#17 12-21890 "L" WASHER, SEALING - WATER PUMP CARTRIDGE (1,1 required per assembly)
L WASHER     ,NLA 12-21890  
12-21890OEM Part 12-21890 - L Washer , NLA (more info) About Mercury Marine $36.00 $36.00 Add to shopping cart
1 in stock. Explain stock levels
#18 25-21891 SEAL, RUBBER - WATER PUMP CARTRIDGE (1,1 required per assembly)
O RING 25-21891  
25-21891OEM Part 25-21891 - O-Ring (more info) About Mercury Marine $8.00 $8.00 Add to shopping cart
10+ in stock. Explain stock levels
#19 46-21892A 1 WATER PUMP CARTRIDGE ASSEMBLY (1,1 required per assembly)
MERC PERF PROD    O NLA  
46-21892A 1 MERC PERF PROD O NLA
(more info)
    UnavailableUnavailable Parts
#-- 26-21589 OIL SEAL (1,1 required per assembly)
NLA OIL SEAL      O NLA  
26-21589 NLA OIL SEAL O NLA
(more info)
    UnavailableUnavailable Parts
#-- 17-20375 PIN, GROOVE (1,1 required per assembly)
PIN               O NLA  
17-20375 PIN O NLA
(more info)
    UnavailableUnavailable Parts
#20 47-21893 IMPELLER, WATER PUMP (1,1 required per assembly)
IMPELLER 47-21893  
47-21893OEM Part 47-21893 - Impeller (more info) About Mercury Marine $90.44 Add to shopping cart
1 in stock. Explain stock levels
#21 17-20946 KEY, IMPELLER DRIVE (1,1 required per assembly)
NLA - PIN         O NLA  
17-20946 NLA - PIN O NLA
(more info)
    UnavailableUnavailable Parts
#22 46-21587A 1 WATER PUMP COVER ASSEMBLY (1,1 required per assembly)
NLA - W/P COVER   O NLA  
46-21587A 1 NLA - W/P COVER O NLA
(more info)
    UnavailableUnavailable Parts
#23 31-22640 BEARING, ROLLER (2,2 required per assembly)
EARING B118   ,NLA 31-22640  
31-22640OEM Part 31-22640 - EaRing B118 , NLA (more info) About Mercury Marine $16.50 $16.50 Add to shopping cart
7 in stock. Explain stock levels
#25 21591 PLATE, COVER (1,1 required per assembly)
PLATE     ,NLA 21591  
21591OEM Part 21591 - Plate , NLA (more info) About Mercury Marine $28.00 $28.00 Add to shopping cart
6 in stock. Explain stock levels
#26 21590 COVER, GEAR HOUSING (1,1 required per assembly)
NLA COVER         O NLA  
21590 NLA COVER O NLA
(more info)
    UnavailableUnavailable Parts
#27 12-20262 WASHER, GEAR HOUSING VENT SCREW (1,1 required per assembly)
19643 12-20262  
12-20262OEM Part 12-20262 - Washer, Priced Individually (more info) About Mercury Marine $1.00 $1.00 Add to shopping cart
10+ in stock. Explain stock levels
SEAL Note: must be ordered in multiples of 15 19643 19643
19643OEM Part 19643 - Seal - Priced Individually (more info) About Mercury Marine $1.00 $1.00 Add to shopping cart
5 in stock. Explain stock levels
#28 10-28653 SCREW, GEAR HOUSING VENT (1,1 required per assembly)
SCREW (#10-32 x 0 10-28653 10-28653
10-28653OEM Part 10-28653 - Screw - Priced Individually (more info) About Mercury Marine $1.90 $1.90 Add to shopping cart
10+ in stock. Explain stock levels
#29 12-20260 WASHER, GREASE FILLER HOLE SCREW (1,1 required per assembly)
WASHER @15        O - Replaced by 12-19183 12-20260
12-20260This part has been superseded. WASHER @15 O - Replaced by 12-19183
(more info)
    UnavailableUnavailable Parts
12191832 12-19183 12-19183
12-19183OEM Part 12-19183 - Washer-BLK - Priced Individually (more info) About Mercury Marine $0.80 $0.80 Add to shopping cart
10+ in stock. Explain stock levels
WASHER-ORAN @15   O - Replaced by 12-19183  3 12-19183  2
12-19183 2This part has been superseded. WASHER-ORAN @15 O - Replaced by 12-19183 3
(more info)
    UnavailableUnavailable Parts
SEAL 12-19183  3 12-19183 3
12-19183 3OEM Part 12-19183 3 - Seal -Blue - Priced Individually (more info) About Mercury Marine $1.00 $1.00 Add to shopping cart
10+ in stock. Explain stock levels
DRAIN GASKET 18-2945-9
18-2945-9OEM Match 18-2945-9 - Gasket 12-19183 2-Pack (more info)
Replaces OEM #0307552
About Sierra Marine $2.78 $1.52 Add to shopping cart
10+ in stock. Explain stock levels
SEAL (4) Note: must be ordered in multiples of 2   12 19183Q02 12-19183Q02
12-19183Q02OEM Part 12-19183Q02 - Seals, Pack of 4 (more info) About Mercury Marine $5.00 $5.00 Add to shopping cart
Available to order:
Usually ships
within 8 days
SEAL (4) Note: must be ordered in multiples of 2   12 19183K02 12-19183K02
12-19183K02OEM Part 12-19183K02 - Seal, Pack of 4 (more info) About Mercury Marine $5.00 $5.00 Add to shopping cart
Available to order:
Usually ships
within 8 days
#30 10-28634 SCREW, GREASE FILLER HOLE (1,1 required per assembly)
SCREW @5          O - Replaced by 10-79953 10-28634
10-28634This part has been superseded. SCREW @5 O - Replaced by 10-79953
(more info)
    UnavailableUnavailable Parts
SCREW @5          O - Replaced by 10-79953A 2 10-79953
10-79953This part has been superseded. SCREW @5 O - Replaced by 10-79953A 2
(more info)
    UnavailableUnavailable Parts
SCREW KIT-DRAIN   O - Replaced by 10-79953Q 2 10-79953A 2
10-79953A 2This part has been superseded. SCREW KIT-DRAIN O - Replaced by 10-79953Q 2
(more info)
    UnavailableUnavailable Parts
SCREW KIT @2      O - Replaced by 10-79953Q04 10-79953Q 2
10-79953Q 2This part has been superseded. SCREW KIT @2 O - Replaced by 10-79953Q04
(more info)
    UnavailableUnavailable Parts
SCREW KIT Drain 10-79953Q04 10-79953Q04
10-79953Q04OEM Part 10-79953Q04 - Screw Kit - Priced Individually (more info) About Mercury Marine $5.70 $5.70 Add to shopping cart
10+ in stock. Explain stock levels
DRAIN PLUG 18-2244
18-2244OEM Match 18-2244 - Plug Kit, 10-79953A2 (more info) About Sierra Marine $2.99 $2.07 Add to shopping cart
10+ in stock. Explain stock levels
SCREW-DRAIN Note: must be ordered in multiples of 2   10 79953K04 10-79953K04
10-79953K04OEM Part 10-79953K04 - Drain Screw - Priced Individually (more info) About Mercury Marine $5.70 $5.70 Add to shopping cart
1 in stock. Explain stock levels
#33 12-20413 WASHER, GEAR HOUSING STUDS (2,2 required per assembly)
1220086 12-20413  
12-20413OEM Part 12-20413 - Washer - Priced Individually (more info) About Mercury Marine $1.00 $1.00 Add to shopping cart
1 in stock. Explain stock levels
WASHER (.390 x .6 12-20086  
12-20086OEM Part 12-20086 - Washer - Priced Individually (more info) About Mercury Marine $1.20 $1.20 Add to shopping cart
Available to order:
Usually ships
within 8 days
#34 11-25269 NUT, GEAR HOUSING STUDS (2,2 required per assembly)
NUT (.375-24) 11-25269 11-25269
11-25269OEM Part 11-25269 - Nut - Priced Individually (more info) About Mercury Marine $1.80 $1.80 Add to shopping cart
Available to order:
Usually ships
within 8 days
#35 17-21898 PIN, SHEAR (1,1 required per assembly)
17813893 17-21898  
17-21898OEM Part 17-21898 - Prop Pin (more info) About Mercury Marine $4.50 $4.50 Add to shopping cart
10+ in stock. Explain stock levels
NLA SHEAR PIN     O NLA  
17-813893 NLA SHEAR PIN O NLA
(more info)
    UnavailableUnavailable Parts
#36 12-21901 WASHER, PROPELLER NUT (1,1 required per assembly)
WASHER,NLA 12-21901  
12-21901OEM Part 12-21901 - Washer, NLA (more info) About Mercury Marine $5.50 $5.50 Add to shopping cart
10+ in stock. Explain stock levels
#37 11-21899 NUT, PROPELLER (1,1 required per assembly)
NUT 9/16    ,NLA 11-21899  
11-21899OEM Part 11-21899 - Nut 9/16 , NLA (more info) About Mercury Marine $7.00 $7.00 Add to shopping cart
5 in stock. Explain stock levels