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Parts for Mercury Mark & Kiekhaefer Mark 5, KF5, KF3 Cylinder, Crankshaft & Crankcase Assembly

Engine Diagram

Ref. No. Part No. Description Manufacturer List Price Your Price Order
#1 810-458 CYLINDER (1,1,1,1 required per assembly)
CYLINDER BLOCK    O NLA  
810-458 CYLINDER BLOCK O NLA
(more info)
    UnavailableUnavailable Parts
#2 27-23036 GASKET, CYLINDER BASE (1,1,1,1 required per assembly)
Gasket,NLA 27-23036  
27-23036OEM Part 27-23036 - Gasket, NLA (more info) About Mercury Marine $1.25 $1.25 Add to shopping cart
2 in stock. Explain stock levels
#3 23037A 1 WATER JACKET (1,1,1,1 required per assembly)
WATER JACKE,NLA 23037A 1  
23037A 1OEM Part 23037A 1 - Water Jacket, NLA (more info) About Mercury Marine $12.50 $12.50 Add to shopping cart
7 in stock. Explain stock levels
#4 27-23044 GASKET, WATER JACKET TO CYLINDER (1,1,1,1 required per assembly)
GASKET            O NLA  
27-23044 GASKET O NLA
(more info)
    UnavailableUnavailable Parts
#5 27-21682 GASKET, WATER JACKET TO SPARK PLUG FLANGE (1,1,1,1 required per assembly)
Gasket,NLA 27-21682  
27-21682OEM Part 27-21682 - Gasket - Priced Individually, NLA (more info) About Mercury Marine $1.25 $1.25 Add to shopping cart
10+ in stock. Explain stock levels
#6 10-21365 SCREW, WATER JACKET TO CYLINDER (4,4,4,4 required per assembly)
SCREW @5          O NLA  
10-21365 SCREW @5 O NLA
(more info)
    UnavailableUnavailable Parts
#7 12-20583 WASHER, WATER JACKET TO CYLINDER SCREW (4,4,4,4 required per assembly)
WASHER Note: must be ordered in multiples of 5 12-20583  
12-20583OEM Part 12-20583 - Washer - Priced Individually (more info) About Mercury Marine $1.10 $1.10 Add to shopping cart
10+ in stock. Explain stock levels
#8 10-22485 SCREW, WATER JACKET TO PROTECTOR RIM (2,2,2,2 required per assembly)
SCREW,NLA 10-22485  
10-22485OEM Part 10-22485 - Screw, NLA (more info) About Mercury Marine $2.50 $2.50 Add to shopping cart
10+ in stock. Explain stock levels
#9 13-26992 LOCKWASHER, WATER JACKET TO PROTECTOR RIM (2,2,2,2 required per assembly)
LOCKWASHER (.250) 13-26992  
13-26992OEM Part 13-26992 - LockWasher - Priced Individually (more info) About Mercury Marine $0.80 $0.80 Add to shopping cart
10+ in stock. Explain stock levels
#10 32-23065 PIPE, WATER OUTLET (1,1,1,1 required per assembly)
TUBE              O NLA  
32-23065 TUBE O NLA
(more info)
    UnavailableUnavailable Parts
#11 22-21684 ELBOW, WATER OUTLET PIPE (2,,, required per assembly)
ELBOW             O NLA  
22-21684 ELBOW O NLA
(more info)
    UnavailableUnavailable Parts
#12 11-21113 NUT, COMPRESSION- WATER OUTLET PIPE (2,2,2,2 required per assembly)
NUT               O NLA  
11-21113 NUT O NLA
(more info)
    UnavailableUnavailable Parts
#13 22-21685 SLEEVE, COMPRESSION- WATER OUTLET PIPE (2,2,2,2 required per assembly)
SLEEVE            O - Replaced by 23-20395  
22-21685This part has been superseded. SLEEVE O - Replaced by 23-20395
(more info)
    UnavailableUnavailable Parts
BUSHING,NLA 23-20395  
23-20395OEM Part 23-20395 - Bushing (more info) About Mercury Marine $4.00 $4.00 Add to shopping cart
5 in stock. Explain stock levels
#-- 19-21688 WELCH PLUG (1/2") (,,, required per assembly)
PLUG ,NLA 19-21688  
19-21688OEM Part 19-21688 - Plug, NLA (more info) About Mercury Marine $1.80 $1.80 Add to shopping cart
10+ in stock. Explain stock levels
#14 54-22525 CLIP, IGNITION WIRE (,,,1 required per assembly)
FORWARD GEAR      O NLA  
43-22525 FORWARD GEAR O NLA
(more info)
    UnavailableUnavailable Parts
#15 10-22560 SCREW, IGNITION WIRE CLIP (,,,1 required per assembly)
NLA               O NLA  
12-22560 NLA O NLA
(more info)
    UnavailableUnavailable Parts
#16 13-26996 LOCKWASHER, IGNITION WIRE CLIP SCREW (,,,1 required per assembly)
LOCKWASHER (#10) 13-26996  
13-26996OEM Part 13-26996 - LockWasher - Priced Individually (more info) About Mercury Marine $0.84 $0.84 Add to shopping cart
10+ in stock. Explain stock levels
#17 407-268 CRANKSHAFT (1,1,1,1 required per assembly)
CRANKSHAFT        O NLA  
407-268 CRANKSHAFT O NLA
(more info)
    UnavailableUnavailable Parts
#-- 21657A 1 REED VALVE BODY ASSEMBLY (1,1,1,1 required per assembly)
BODY ASSY         O NLA  
21657A 1 BODY ASSY O NLA
(more info)
    UnavailableUnavailable Parts
#18 21657 BODY, REED VALVE (1,1,1,1 required per assembly)
BODY              O NLA  
21657 BODY O NLA
(more info)
    UnavailableUnavailable Parts
#19 34-21662 REED, INLET VLAVE (1,1,1,1 required per assembly)
REED,NLA 34-21662  
34-21662OEM Part 34-21662 - Reed, NLA (more info) About Mercury Marine $4.50 $4.50 Add to shopping cart
2 in stock. Explain stock levels
#20 34-25454 PLATE, REED STOP (1,1,1,1 required per assembly)
REED STOP         O NLA  
34-25454 REED STOP O NLA
(more info)
    UnavailableUnavailable Parts
#21 10-21296 SCREW, REED ATTACHING (1,1,1,1 required per assembly)
SCREW             O NLA  
10-21296 SCREW O NLA
(more info)
    UnavailableUnavailable Parts
#22 16-21676 STUD, REED STOP (2,2,2,2 required per assembly)
STUD              O NLA  
16-21676 STUD O NLA
(more info)
    UnavailableUnavailable Parts
#23 27-21658 GASKET, REED VLAVE BODY (1,1,1,1 required per assembly)
GASKET            O NLA  
27-21658 GASKET O NLA
(more info)
    UnavailableUnavailable Parts
#24 10-28636 SCREW, REED VALVE BODY TO CRANKCASE (2,2,2,2 required per assembly)
SCREW (.250-20 x 10-28636 10-28636
10-28636OEM Part 10-28636 - Screw - Priced Individually (more info) About Mercury Marine $1.40 $1.40 Add to shopping cart
10+ in stock. Explain stock levels
#26 909-302A 3 CRANKCASE ASSEMBLY (1,1,1,1 required per assembly)
CRANKCASE         O NLA  
909-302A 3 CRANKCASE O NLA
(more info)
    UnavailableUnavailable Parts
#27 31-21638 BEARING, ROLLER -UPPER (2,2,2,2 required per assembly)
BEARING 31-21638  
31-21638OEM Part 31-21638 - Bearing (more info) About Mercury Marine $7.70 $5.20 Add to shopping cart
10+ in stock. Explain stock levels
#28 26-26782 OIL SEAL (1,1,1,1 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
5 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
#29 17-20760 PIN, GROOVE (1,1,1,1 required per assembly)
GROOVE PIN        O NLA  
17-20760 GROOVE PIN O NLA
(more info)
    UnavailableUnavailable Parts
#30 12-21736 WASHER, THRUST-UPPER (1,1,1,1 required per assembly)
WASHER            O NLA  
12-21736 WASHER O NLA
(more info)
    UnavailableUnavailable Parts
#30 16-21661 31 (6,6,6,6 required per assembly)
STUD              O NLA  
16-21661 STUD O NLA
(more info)
    UnavailableUnavailable Parts
#-- 1111-270A 2 CRANKCASE BOTTOM ASSEMBLY (1,,, required per assembly)
CRANKCASE BOTTOM  O NLA  
1111-270A 2 CRANKCASE BOTTOM O NLA
(more info)
    UnavailableUnavailable Parts
#-- 1111-270A 1 CRANKCASE BOTTOM ASSEMBLY (,1,1,1 required per assembly)
CRANKCASE BOTTOM  O NLA  
1111-270A 1 CRANKCASE BOTTOM O NLA
(more info)
    UnavailableUnavailable Parts
#33 1111-270 CRANKCASE BOTTOM (1,1,1,1 required per assembly)
CRANKCASE BOTTOM  O NLA  
1111-270 CRANKCASE BOTTOM O NLA
(more info)
    UnavailableUnavailable Parts
#34 32-21724 TUBE, BLEED (1,1,1,1 required per assembly)
TUBE              O NLA  
32-21724 TUBE O NLA
(more info)
    UnavailableUnavailable Parts
#37 54-23135 CLIP, BLEED TUBE (1,1,1,1 required per assembly)
CLIP              O NLA  
54-23135 CLIP O NLA
(more info)
    UnavailableUnavailable Parts
#38 13-22773 LOCKWASHER, BLEED TUBE CLIP (1,1,1,1 required per assembly)
LOCKWASHER,NLA 13-22773  
13-22773OEM Part 13-22773 - LockWasher, NLA (more info) About Mercury Marine $2.50 $2.50 Add to shopping cart
10 in stock. Explain stock levels
#39 10-24639 SCREW, BLEED TUBE CLIP (1,1,1,1 required per assembly)
SCREW             O NLA  
10-24639 SCREW O NLA
(more info)
    UnavailableUnavailable Parts
#-- 24293 PLATE, HOUSING TO CRANKCASE (1,,, required per assembly)
PLATE             O NLA  
24293 PLATE O NLA
(more info)
    UnavailableUnavailable Parts
#40 12-21725 WASHER, THRUST-CRANKCASE BOTTOM (1,1,1,1 required per assembly)
WASHER            O NLA  
12-21725 WASHER O NLA
(more info)
    UnavailableUnavailable Parts
#41 27-21674 GASKET, CRANKCASE (1,1,1,1 required per assembly)
Gasket,NLA 27-21674  
27-21674OEM Part 27-21674 - Gasket (more info) About Mercury Marine $6.50 $6.50 Add to shopping cart
10+ in stock. Explain stock levels
#42 11-22433 NUT, CRANKCASE STUD (6,6,6,6 required per assembly)
NUT               O - Replaced by 11-21825  
11-22433This part has been superseded. NUT O - Replaced by 11-21825
(more info)
    UnavailableUnavailable Parts
NUT (.250-28) 11-21825 11-21825
11-21825OEM Part 11-21825 - Nut - Priced Individually (more info) About Mercury Marine $1.20 $1.20 Add to shopping cart
Available to order:
Usually ships
within 8 days
#44 21659 BRACKET, CRANKCASE TO FUEL TANK (2,2,2,2 required per assembly)
BRACKET           O NLA  
21659 BRACKET O NLA
(more info)

Replaces OEM #0328743
    UnavailableUnavailable Parts
#45 10-21140 SCREW, CRANKCASE TO FUEL TANK BRACKET (2,2,2,2 required per assembly)
SCREW,NLA 10-21140  
10-21140OEM Part 10-21140 - Screw, NLA (more info) About Mercury Marine $1.25 $1.25 Add to shopping cart
10+ in stock. Explain stock levels
#46 10-24640 SCREW, CRANKCASE TO FUEL TANK BRACKET (2,2,2,2 required per assembly)
SCREW,NLA 10-24640  
10-24640OEM Part 10-24640 - Screw 5, NLA (more info) About Mercury Marine $3.75 $3.75 Add to shopping cart
10+ in stock. Explain stock levels