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Parts for Mercury Mark & Kiekhaefer Mark 25, 25E Gear Housing & Propeller

Engine Diagram

Ref. No. Part No. Description Manufacturer List Price Your Price Order
#1 1602-994A11 GEAR HOUSING ASSEMBLY, COMPLETE (1,,, required per assembly)
GEAR HOUSING ASSY O - Replaced by 1602-1439A 5  
1602-994A11This part has been superseded. GEAR HOUSING ASSY O - Replaced by 1602-1439A 5
(more info)
    UnavailableUnavailable Parts
GEAR HOUSING ASSY O NLA  
1602-1439A 5 GEAR HOUSING ASSY O NLA
(more info)
    UnavailableUnavailable Parts
#1 1602-994A12 GEAR HOUSING ASSEMBLY, COMPLETE (,1,1,1 required per assembly)
GEAR HOUSING ASSY O - Replaced by 1602-1439A 3  
1602-994A12This part has been superseded. GEAR HOUSING ASSY O - Replaced by 1602-1439A 3
(more info)
    UnavailableUnavailable Parts
GEAR HOUSING ASSY O NLA  
1602-1439A 3 GEAR HOUSING ASSY O NLA
(more info)
    UnavailableUnavailable Parts
#2 20794 CAM, SHIFT (1,1,1,1 required per assembly)
CAM ,NLA 20794 20794
20794OEM Part 20794 - Cam, NLA (more info) About Mercury Marine $12.50 $12.50 Add to shopping cart
10+ in stock. Explain stock levels
#3 20818 CAM FOLLOWER (1,1,1,1 required per assembly)
CAM FOLLOWER ,NLA 20818  
20818OEM Part 20818 - Cam Follower, NLA (more info) About Mercury Marine $6.00 $6.00 Add to shopping cart
10+ in stock. Explain stock levels
#4 20255 SLIDE, CROSS PIN (1,1,1,1 required per assembly)
SLIDE,NLA 20255  
20255OEM Part 20255 - Slide, NLA (more info) About Mercury Marine $6.50 $6.50 Add to shopping cart
10+ in stock. Explain stock levels
#5 24-20254 SPRING, CAM FOLLOWER PIN (1,1,1,1 required per assembly)
SPRING,NLA 24-20254  
24-20254OEM Part 24-20254 - Spring, NLA (more info) About Mercury Marine $7.00 $7.00 Add to shopping cart
10+ in stock. Explain stock levels
#6 12-20817 WASHER, THRUST (.170 .175 .180) (2,2,2,2 required per assembly)
WASHER            O NLA  
12-20817 WASHER O NLA
(more info)
    UnavailableUnavailable Parts
#7 52-25609 CLUTCH, SLIDING (1,1,1,1 required per assembly)
CLUTCH ,NLA 52-25609 52-25609
52-25609OEM Part 52-25609 - Clutch, NLA (more info) About Mercury Marine $40.00 $40.00 Add to shopping cart
4 in stock. Explain stock levels
#8 17-20819 PIN, CROSS (1,1,1,1 required per assembly)
CROSS PIN,NLA 17-20819  
17-20819OEM Part 17-20819 - Cross Pin, NLA (more info) About Mercury Marine $3.00 $3.00 Add to shopping cart
10+ in stock. Explain stock levels
#9 44-20828 SHAFT, PROPELLER (1,1,1,1 required per assembly)
4426088A2    PROPELLER SH 44-20828  
44-20828OEM Part 44-20828 - Propeller Shaft (more info) About Mercury Marine $85.00 $85.00 Add to shopping cart
1 in stock. Explain stock levels
PROPELLER SHAFT,NLA 44-26088A 2  
44-26088A 2OEM Part 44-26088A 2 - Propeller Shaft, NLA (more info) About Mercury Marine $80.00 $80.00 Add to shopping cart
2 in stock. Explain stock levels
#10 53-20820 RING, RETAINING - CROSS PIN (1,1,1,1 required per assembly)
RETAINING RING,NLA 53-20820  
53-20820OEM Part 53-20820 - Retaining Ring, NLA (more info) About Mercury Marine $1.25 $1.25 Add to shopping cart
10+ in stock. Explain stock levels
#-- 43-20976A 1 FORWARD GEAR ASSEMBLY, COMPLETE (1,1,1,1 required per assembly)
FORWARD GEAR ASSY O - Replaced by 43-20976  
43-20976A 1This part has been superseded. FORWARD GEAR ASSY O - Replaced by 43-20976
(more info)
    UnavailableUnavailable Parts
FORWARD GEAR,NLA 43-20976  
43-20976OEM Part 43-20976 - Forward Gear (more info) About Mercury Marine $80.00 $80.00 Add to shopping cart
9 in stock. Explain stock levels
#11 30-25398 BEARING, BALL - FORWARD GEAR (1,1,1,1 required per assembly)
BEARING 30-25398 30-25398
30-25398OEM Part 30-25398 - Ball Bearing (more info) About Mercury Marine $47.00 $47.00 Add to shopping cart
10+ in stock. Explain stock levels
#12 43-20976 GEAR ASSEMBLY, FORWARD (1,1,1,1 required per assembly)
#13 31-20069 BEARING, ROLLER - FORWARD GEAR (1,1,1,1 required per assembly)
ROLLER BEARING ,NLA 31-20069 31-20069
31-20069OEM Part 31-20069 - Roller Bearing, NLA (more info) About Mercury Marine $11.50 $11.50 Add to shopping cart
1 in stock. Explain stock levels
#14 15-20788 SHIM, BALL BEARING TO GEAR HOUSING (.002-3-5-10) (AR,AR,AR,A required per assembly)
#-- 43-20977A 1 REVERSE GEAR ASSEMBLY, COMPLETE (1,1,1,1 required per assembly)
4320977    REVERSE GEAR A 43-20977A 1  
43-20977A 1OEM Part 43-20977A 1 - Reverse Gear Assembly (more info) About Mercury Marine $40.00 $40.00 Add to shopping cart
3 in stock. Explain stock levels
REVERSE GEAR,NLA 43-20977  
43-20977OEM Part 43-20977 - Reverse Gear (more info) About Mercury Marine $80.00 $80.00 Add to shopping cart
10 in stock. Explain stock levels
#15 43-20977 GEAR ASSEMBLY, REVERSE (1,1,1,1 required per assembly)
#16 20823 RING, ADAPTOR - BALL BEARING (1,1,1,1 required per assembly)
RING ,NLA 20823  
20823OEM Part 20823 - Ring, NLA (more info) About Mercury Marine $4.50 $4.50 Add to shopping cart
6 in stock. Explain stock levels
#17 30-20824 BEARING, BALL - REVERSE GEAR (1,1,1,1 required per assembly)
BALL BEARING    ,NLA 30-20824 30-20824
30-20824OEM Part 30-20824 - Ball Bearing , NLA (more info) About Mercury Marine $19.00 $19.00 Add to shopping cart
4 in stock. Explain stock levels
#-- 15-20822 SHIM, BALL BEARING TO GEAR (.002-3-5-10) (AR,AR,AR,A required per assembly)
#18 15-24592 SHIM, BALL BEARING TO ADAPTOR RING (.002-3-5-10) (AR,AR,AR,A required per assembly)
#19 25-20826 RING, SEALING (RUBBER) (1,1,1,1 required per assembly)
O-RING (2.230 x . 25-20826 25-20826
25-20826OEM Part 25-20826 - O-Ring - Priced Individually (more info) About Mercury Marine $3.00 $3.00 Add to shopping cart
10+ in stock. Explain stock levels
O-Ring 18-7459
18-7459OEM Match 18-7459 - O-Ring 25-20826 (more info) About Sierra Marine $2.99 $2.44 Add to shopping cart
Available to order:
Usually ships
within 8 days
#20 20825A 2 SEALING RING ASSEMBLY (1,1,1,1 required per assembly)
RING ASSY ,NLA 20825A 2  
20825A 2OEM Part 20825A 2 - Ring Assembly, NLA (more info) About Mercury Marine $34.00 $34.00 Add to shopping cart
1 in stock. Explain stock levels
#22 26-20070 OIL SEAL (1" O.D.) (1,,, required per assembly)
SEAL Oil 26-20070 26-20070
26-20070OEM Part 26-20070 - Seal - Priced Individually (more info) About Mercury Marine $16.50 $14.12 Add to shopping cart
5 in stock. Explain stock levels
Oil Seal 18-2004
18-2004OEM Match 18-2004 - Seal 26-20070 (more info) About Sierra Marine $14.99 $11.97 Add to shopping cart
2 in stock. Explain stock levels
#22 26-25431 OIL SEAL (1 1/8" O.D.) (,1,1,1 required per assembly)
SEAL ,NLA 26-25431 26-25431
26-25431OEM Part 26-25431 - Seal, NLA (more info) About Mercury Marine $15.00 $15.00 Add to shopping cart
4 in stock. Explain stock levels
#23 20827 COVER, GEAR HOUSING (1,1,1,1 required per assembly)
COVER             O NLA  
20827 COVER O NLA
(more info)
    UnavailableUnavailable Parts
#24 48-23647A 1 PROPELLER ASSMEBLY (1,1,1,1 required per assembly)
PROPELLER ASSY    O NLA  
48-23647A 1 PROPELLER ASSY O NLA
(more info)
    UnavailableUnavailable Parts
#-- 48-25551A 1 PROPELLER ASSEMBLY (HEAVY-DUTY BRONZE) (1,1,1,1 required per assembly)
PROPELLER ASSY    O NLA  
48-25551A 1 PROPELLER ASSY O NLA
(more info)
    UnavailableUnavailable Parts
#-- 12-20750 WASHER, BACKING (1,1,1,1 required per assembly)
WASHER ,NLA 12-20750  
12-20750OEM Part 12-20750 - Washer, NLA (more info) About Mercury Marine $3.75 $3.75 Add to shopping cart
10+ in stock. Explain stock levels
#25 14-20749 TAB WASHER (1,1,1,1 required per assembly)
TAB WASHER   ,NLA 14-20749  
14-20749OEM Part 14-20749 - Tab Washer , NLA (more info) About Mercury Marine $4.25 $4.25 Add to shopping cart
10+ in stock. Explain stock levels
#26 20950A 1 NUT, PROPELLER (1,1,1,1 required per assembly)
NUT               O NLA  
20950A 1 NUT O NLA
(more info)
    UnavailableUnavailable Parts