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Parts for Mercury Mark & Kiekhaefer Mark 20H Gear Housing Assembly

Engine Diagram

Ref. No. Part No. Description Manufacturer List Price Your Price Order
#1 1604-135A 1 GEAR HOUSING ASSEMBLY (1 required per assembly)
GEAR HOUSING ASSY O NLA  
1604-135A 1 GEAR HOUSING ASSY O NLA
(more info)
    UnavailableUnavailable Parts
#1 1604-1162A 1 GEAR HOUSING ASSEMBLY (LARGER SKEG) NO LONGER AVAILABLE (1 required per assembly)
GEAR HOUSING ASSY O - Replaced by 1604-1116A 4  
1604-1162A 1This part has been superseded. GEAR HOUSING ASSY O - Replaced by 1604-1116A 4
(more info)
    UnavailableUnavailable Parts
GEAR HOUSING ASSY O NLA  
1604-1116A 4 GEAR HOUSING ASSY O NLA
(more info)
    UnavailableUnavailable Parts
#- 31-20904 BEARING, ROLLER - PROPELLER SHAFT (1 required per assembly)
NLA-BEARING       O NLA  
31-20904 NLA-BEARING O NLA
(more info)
    UnavailableUnavailable Parts
#- 31-20908 BEARING, ROLLER - DRIVE SHAFT (1 required per assembly)
BEARING ,NLA 31-20908  
31-20908OEM Part 31-20908 - Bearing, NLA (more info) About Mercury Marine $14.00 $14.00 Add to shopping cart
10+ in stock. Explain stock levels
#- 10-21048 PLUG, HEADLESS (1 required per assembly)
NLA PLUG          O NLA  
10-21048 NLA PLUG O NLA
(more info)
    UnavailableUnavailable Parts
#2 45-20909 DRIVE SHAFT (1 required per assembly)
DRIVE SHAFT       O NLA  
45-20909 DRIVE SHAFT O NLA
(more info)
    UnavailableUnavailable Parts
#3 30-20910 BEARING, BALL - DRIVE SHAFT (1 required per assembly)
BALL BEARING    ,NLA 30-20910  
30-20910OEM Part 30-20910 - Ball Bearing , NLA (more info) About Mercury Marine $14.00 $14.00 Add to shopping cart
10+ in stock. Explain stock levels
#4 15-20919A 1 SHIM, BALL BEARING TO GEAR HOUSING (.002-3-5) (AR required per assembly)
SHIM ASSY         O NLA  
15-20919A 1 SHIM ASSY O NLA
(more info)
    UnavailableUnavailable Parts
#5 20912A 1 PILOT AND OIL SEAL ASSEMBLY (1 required per assembly)
PILOT ASSY        O NLA  
20912A 1 PILOT ASSY O NLA
(more info)
    UnavailableUnavailable Parts
#- 26-20590 OIL SEAL (1 required per assembly)
OIL SEAL ,NLA 26-20590  
26-20590OEM Part 26-20590 - Oil Seal, NLA (more info) About Mercury Marine $25.00 $25.00 Add to shopping cart
5 in stock. Explain stock levels
#6 15-20911A 1 SHIM, BALL BEARING TO DRIVE SHAFT (.003-5-10) (AR required per assembly)
SHIM ASSY         O NLA  
15-20911A 1 SHIM ASSY O NLA
(more info)
    UnavailableUnavailable Parts
#7&11 43-25693A 1 GEAR ASSEMBLY, PINION AND PROPELLER (1 required per assembly)
PROP GEAR ASSY    O NLA  
43-25693A 1 PROP GEAR ASSY O NLA
(more info)
    UnavailableUnavailable Parts
#8 13-20921 LOCKWASHER, PINION GEAR (1 required per assembly)
WASHER @5         O NLA  
13-20921 WASHER @5 O NLA
(more info)
    UnavailableUnavailable Parts
#9 11-20922 NUT, PINION GEAR LOCKING (1 required per assembly)
NUT               O NLA  
11-20922 NUT O NLA
(more info)
    UnavailableUnavailable Parts
#10 44-20923 SHAFT, PROPELLER (1 required per assembly)
NLA-P/SHAFT 25XS  O NLA  
44-20923 NLA-P/SHAFT 25XS O NLA
(more info)
    UnavailableUnavailable Parts
#12 17-20937 PIN, PROPELLER GEAR TO SHAFT (1 required per assembly)
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 30-20938 BEARING, BALL - PROPELLER SHAFT (1 required per assembly)
FAFNIR   9104K,NLA 30-20938  
30-20938OEM Part 30-20938 - Fafnir 9104K, NLA (more info) About Mercury Marine $18.00 $18.00 Add to shopping cart
2 in stock. Explain stock levels
#14 15-20939A 1 SHIM, BALL BEARING TO SNAP RING (.003-5-10) (AR required per assembly)
SHIM ASSY         O NLA  
15-20939A 1 SHIM ASSY O NLA
(more info)
    UnavailableUnavailable Parts
#15 53-20940 RING, SNAP (1 required per assembly)
SNAP RING,NLA 53-20940  
53-20940OEM Part 53-20940 - Snap Ring, NLA (more info) About Mercury Marine $1.25 $1.25 Add to shopping cart
1 in stock. Explain stock levels
#16 15-20941A 1 SHIM, BALL BEARING TO GEAR HOUSING (.002-3-5-10) (AR required per assembly)
SHIM ASSY         O NLA  
15-20941A 1 SHIM ASSY O NLA
(more info)
    UnavailableUnavailable Parts
#17 12-20942 WASHER, SEALING - WATER PUMP CARTRIDGE (1 required per assembly)
NLA WASHER        O NLA  
12-20942 NLA WASHER O NLA
(more info)
    UnavailableUnavailable Parts
#18 25-20812 SEAL, RUBBER - WATER PUMP CARTRIDGE (1 required per assembly)
O RING,NLA 25-20812  
25-20812OEM Part 25-20812 - O-Ring, NLA (more info) About Mercury Marine $8.00 $8.00 Add to shopping cart
7 in stock. Explain stock levels
#19 46-20943A 1 WATER PUMP CARTRIDGE ASSEMBLY (1 required per assembly)
NLA-W/P HSG 25XS  O NLA  
46-20943A 1 NLA-W/P HSG 25XS O NLA
(more info)
    UnavailableUnavailable Parts
#-- 26-20903 OIL SEAL (1 required per assembly)
NLA - OIL SEAL    O NLA  
26-20903 NLA - OIL SEAL O NLA
(more info)
    UnavailableUnavailable Parts
#20 47-20945 IMPELLER, WATER PUMP (1 required per assembly)
IMPELLER,NLA 47-20945 47-20945
47-20945OEM Part 47-20945 - Impeller, NLA (more info) About Mercury Marine $48.00 $48.00 Add to shopping cart
10+ in stock. Explain stock levels
#21 17-20946 PIN, IMPELLER DRIVE (1 required per assembly)
NLA - PIN         O NLA  
17-20946 NLA - PIN O NLA
(more info)
    UnavailableUnavailable Parts
#22 20947 PLATE, WATER PUMP COVER (1 required per assembly)
NLA PLATE         O NLA  
20947 NLA PLATE O NLA
(more info)
    UnavailableUnavailable Parts
#23 46-20905A 1 WATER PUMP COVER ASSEMBLY (1 required per assembly)
NLA-W/P COVER 25  O NLA  
46-20905A 1 NLA-W/P COVER 25 O NLA
(more info)
    UnavailableUnavailable Parts
#26 20902 COVER, GEAR HOUSING (1 required per assembly)
NLA COVER         O NLA  
20902 NLA COVER O NLA
(more info)
    UnavailableUnavailable Parts
#27 12-20262 WASHER, GEAR HOUSING VENT SCREW (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 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 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 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
#31 16-20900 STUD, GEAR HOUSING TO DRIVE SHAFT HOUSING (LONG) (1 required per assembly)
STUD              O NLA  
16-20900 STUD O NLA
(more info)
    UnavailableUnavailable Parts
#32 16-20901 STUD, GEAR HOUSING TO DRIVE SHAFT HOUSING (SHORT) (1 required per assembly)
STUD              O NLA  
16-20901 STUD O NLA
(more info)
    UnavailableUnavailable Parts
#33 14-20091 TAB WASHER, GEAR HOUSING STUDS (2 required per assembly)
TAB WASHER 14-20091  
14-20091OEM Part 14-20091 - Tab Washer - Priced Individually (more info) About Mercury Marine $1.40 $1.40 Add to shopping cart
10+ in stock. Explain stock levels
#34 11-20101 NUT, GEAR HOUSING STUDS (2 required per assembly)
NUT,NLA 11-20101  
11-20101OEM Part 11-20101 - Nut, NLA (more info) About Mercury Marine $3.50 $3.50 Add to shopping cart
10+ in stock. Explain stock levels
#35 17-20957 PIN, SHEAR (1 required per assembly)
SHEAR PIN,NLA 17-20957  
17-20957OEM Part 17-20957 - Shear Pin, NLA (more info) About Mercury Marine $2.50 $2.50 Add to shopping cart
10+ in stock. Explain stock levels
#36 12-20959 WASHER, PROPELLER NUT (1 required per assembly)
WASHER Note: must be ordered in multiples of 5 12-20959  
12-20959OEM Part 12-20959 - Washer - Priced Individually (more info) About Mercury Marine $1.50 $1.50 Add to shopping cart
10+ in stock. Explain stock levels
#37 11-20958 NUT, PROPELLER (1 required per assembly)
NUT @2            O NLA  
11-20958 NUT @2 O NLA
(more info)
    UnavailableUnavailable Parts