Logo

Parts for Mercury Mark & Kiekhaefer Mark 20H Crankcase Assembly

#1 901-23A 1 CRANKCASE ASSEMBLY (1 required per assembly)
901-23A 1 - CRANKCASE         O NLA
 

About Mercury Marine

OEM Part

901-23A 1 - CRANKCASE O NLA [ More info ]
Unavailable
#2 31-20594 BEARING, ROLLER (1 required per assembly)
BEARING ,NLA 31-20594
31-20594

About Mercury Marine

OEM Part

31-20594 - Bearing, NLA [ More info ]

Add to shopping cart $36.00
4 in stock. Explain stock levels

#3 30-20464 BEARING, BALL (1 required per assembly)
30-20464 - BALL BEARING      O - Replaced by 30-63326
 

This part has been superseded.

30-20464 - 30-20464 - BALL BEARING O [ More info ]
Unavailable
Replaced by 30-63326
30-63326 - BEARING           O - Replaced by 30-63326T
 

This part has been superseded.

30-63326 - 30-63326 - BEARING O [ More info ]
Unavailable
Replaced by 30-63326T
BEARING-BALL 30-63326T
30-63326T

About Mercury Marine

OEM Part

30-63326T - Ball Bearing [ More info ]

Add to shopping cart $19.50
Available to order: Usually ships within 8 days. Explain stock levels

Ball Bearing
18-1153

About Sierra Marine

OEM Match

18-1153 - Bearing 30-63326 [ More info ]

Add to shopping cart $24.49 $19.68
Available to order: Usually ships within 8 days. Explain stock levels

#4 26-20530 OIL SEAL (1 required per assembly)
SEAL ,NLA 26-20530
26-20530

About Mercury Marine

OEM Part

26-20530 - Seal, NLA [ More info ]

Add to shopping cart $15.00
10+ in stock. Explain stock levels

#5 16-20462 STUD, CRANKCASE TO CARBURETOR (2 required per assembly)
16-20462 - STUD              O - Replaced by 16-65866
 

This part has been superseded.

16-20462 - 16-20462 - STUD O [ More info ]
Unavailable
Replaced by 16-65866
16-65866 - STUD @2           O NLA
 

About Mercury Marine

OEM Part

16-65866 - STUD @2 O NLA [ More info ]
Unavailable
#6 16-20469 STUD, CRANKCASE TO MOUNTING BRACKET (4 required per assembly)
16-20469 - STUD              O - Replaced by 16-68169
 

This part has been superseded.

16-20469 - 16-20469 - STUD O [ More info ]
Unavailable
Replaced by 16-68169
16-68169 - STUD              O NLA
 

About Mercury Marine

OEM Part

16-68169 - STUD O NLA [ More info ]
Unavailable
#7 34-20035 REED, FUEL TANK PRESSURE VALVE (1 required per assembly)
REED ,NLA 34-20035
 

About Mercury Marine

OEM Part

34-20035 - Reed, NLA [ More info ]

Add to shopping cart $1.50
10+ in stock. Explain stock levels

#8 34-20036 REED STOP, PRESSURE VALVE REED (1 required per assembly)
34-20036 - REED STOP         O NLA
 

About Mercury Marine

OEM Part

34-20036 - REED STOP O NLA [ More info ]
Unavailable
#9 10-20037 SCREW, REED FASTENING (2 required per assembly)
1043725 10-20037
 

About Mercury Marine

OEM Part

10-20037 - Screw - Priced Individually [ More info ]

Add to shopping cart $0.35
10+ in stock. Explain stock levels

SCREW (#6-32 x .380) 10-43725
10-43725

About Mercury Marine

OEM Part

10-43725 - Screw [ More info ]

Add to shopping cart $1.30
10+ in stock. Explain stock levels

#10 20038 COVER, PRESSURE VALVE (1 required per assembly)
20038 - COVER             O - Replaced by -25833
 

This part has been superseded.

20038 - 20038 - COVER O [ More info ]
Unavailable
Replaced by -25833
25833 - COVER             O NLA
 

About Mercury Marine

OEM Part

25833 - COVER O NLA [ More info ]
Unavailable
#11 27-20039 GASKET, COVER TO CRANKCASE (1 required per assembly)
Gasket,NLA 27-20039
 

About Mercury Marine

OEM Part

27-20039 - Gasket [ More info ]

Add to shopping cart $4.50
10+ in stock. Explain stock levels

#12 13-26996 LOCKWASHER, COVER SCREW (3 required per assembly)
LOCKWASHER (#10) Stainl 13-26996
 

About Mercury Marine

OEM Part

13-26996 - LockWasher - Priced Individually [ More info ]

Add to shopping cart $0.90
10+ in stock. Explain stock levels

#13 10-20041 SCREW, COVER (3 required per assembly)
SCREW,NLA 10-20041
 

About Mercury Marine

OEM Part

10-20041 - Screw, NLA [ More info ]

Add to shopping cart $3.00
10+ in stock. Explain stock levels

#14 32-20476 AIR LINE (1 required per assembly)
32-20476 - AIR LINE          O - Replaced by 32-49471
 

This part has been superseded.

32-20476 - 32-20476 - AIR LINE O [ More info ]
Unavailable
Replaced by 32-49471
FUEL LINE,NLA 32-49471
 

About Mercury Marine

OEM Part

32-49471 - Fuel Line, NLA [ More info ]

Add to shopping cart $9.50
1 in stock. Explain stock levels

#15 24-20477 SPRING, AIR LINE (1 required per assembly)
SPRING,NLA 24-20477
 

About Mercury Marine

OEM Part

24-20477 - Spring, NLA [ More info ]

Add to shopping cart $3.50
3 in stock. Explain stock levels

#16 10-20090 SCREW, MAIN BEARING LOCKING (1 required per assembly)
SCREW,NLA 10-20090
 

About Mercury Marine

OEM Part

10-20090 - Screw, NLA [ More info ]

Add to shopping cart $3.00
5 in stock. Explain stock levels

#17 14-20091 TAB WASHER, MAIN BEARING LOCKING SCREW (1 required per assembly)
TAB WASHER 14-20091
 

About Mercury Marine

OEM Part

14-20091 - Tab Washer - Priced Individually [ More info ]

Add to shopping cart $1.40
10+ in stock. Explain stock levels

#18 20549A 1 FRONT STARBOARD BRACKET ASSEMBLY (1 required per assembly)
Bracket Asy,NLA 20549A 1
 

About Mercury Marine

OEM Part

20549A 1 - Bracket Assembly, NLA [ More info ]

Add to shopping cart $23.50
6 in stock. Explain stock levels

#19 23-26348 BUSHING, COWL MOUNTING BRACKET (1 required per assembly)
BUSHING      ,NLA 23-26348
 

About Mercury Marine

OEM Part

23-26348 - Bushing , NLA [ More info ]

Add to shopping cart $16.50
10+ in stock. Explain stock levels

#20 16-20550 STUD, COWL MOUNTING BRACKET (1 required per assembly)
16-20550 - STUD              O NLA
 

About Mercury Marine

OEM Part

16-20550 - STUD O NLA [ More info ]
Unavailable
#21 12-20028 WASHER, BRACKET MOUNTING STUD (2 required per assembly)
WASHER (.265 x .437 x . 12-20028
 

About Mercury Marine

OEM Part

12-20028 - Washer - Priced Individually [ More info ]

Add to shopping cart $1.40
10+ in stock. Explain stock levels

#22 11-20184 NUT, BRACKET MOUNTING STUD (2 required per assembly)
NUT (1/4-28X7/32) 11-20184
11-20184

About Mercury Marine

OEM Part

11-20184 - Nut - Priced Individually [ More info ]

Add to shopping cart $1.30
10+ in stock. Explain stock levels

#23 12-20551 WASHER, RUBBER - PLATE TO STARBOARD BRACKET (1 required per assembly)
12-20551 - WASHER            O NLA
 

About Mercury Marine

OEM Part

12-20551 - WASHER O NLA [ More info ]
Unavailable
#24 20570 PLATE, COWL MOUNTING (1 required per assembly)
PLATE,NLA 20570
 

About Mercury Marine

OEM Part

20570 - Plate, NLA [ More info ]

Add to shopping cart $15.00
1 in stock. Explain stock levels

#25 23-20571 BUSHING, COWL MOUNTING PLATE (1 required per assembly)
23-20571 - BUSHING           O NLA
 

About Mercury Marine

OEM Part

23-20571 - BUSHING O NLA [ More info ]
Unavailable
#26 12-20572 WASHER, COWL MOUNTING PLATE STUD (1 required per assembly)
WASHER (.390 x .750 x . 12-20572
 

About Mercury Marine

OEM Part

12-20572 - Washer [ More info ]

Add to shopping cart $1.10 $0.62
8 in stock. Explain stock levels

#27 11-20509 NUT, COWL MOUNTING PLATE STUD (1 required per assembly)
1134863 11-20509
 

About Mercury Marine

OEM Part

11-20509 - Nut - Priced Individually [ More info ]

Add to shopping cart $2.00
9 in stock. Explain stock levels

11826709113 11-34863
 

About Mercury Marine

OEM Part

11-34863 - Nut , Priced Individually [ More info ]

Add to shopping cart $2.50
8 in stock. Explain stock levels

NUT (.375-24) Stainless 11-826709113
11-826709113

About Mercury Marine

OEM Part

11-826709113 - Nut -ss - Priced Individually [ More info ]

Add to shopping cart $5.30
10+ in stock. Explain stock levels

#28 20455A 2 FRONT PORT BRACKET ASSEMBLY (1 required per assembly)
Bracket Asy,NLA 20455A 2
 

About Mercury Marine

OEM Part

20455A 2 - Bracket Assembly, NLA [ More info ]

Add to shopping cart $16.50
4 in stock. Explain stock levels

#33 12-20346 WASHER, COWL MOUNTING SCREW (LARGE) (2 required per assembly)
1269057 12-20346
 

About Mercury Marine

OEM Part

12-20346 - Washer , Priced Individually [ More info ]

Add to shopping cart $1.00
10+ in stock. Explain stock levels

WASHER (.281 x .734 x . 12-69057
 

About Mercury Marine

OEM Part

12-69057 - Washer [ More info ]

Add to shopping cart $1.40
1 in stock. Explain stock levels

#34 11-20361 NUT, COWL MOUNTING SCREW (2 required per assembly)
118267089 11-20361
11-20361

About Mercury Marine

OEM Part

11-20361 - Nut , Priced Individually [ More info ]

Add to shopping cart $0.60
10+ in stock. Explain stock levels

NUT (.250-28) 11-826708  9
11-826708  9

About Mercury Marine

OEM Part

11-826708 9 - Nut - Priced Individually [ More info ]

Add to shopping cart $1.00
Available to order: Usually ships within 8 days. Explain stock levels

S.S. Steel Locknut
18-3722

About Sierra Marine

OEM Match

18-3722-9 - Lock Nut, 121731, 11-35888 [ More info ]

Add to shopping cart $14.95 $7.67
Available to order: Usually ships within 8 days. Explain stock levels

#35 12-20546 WASHER, CRANKCASE TO CYLINDER BLOCK STUD (7 required per assembly)
WASHER Note: must be ordered in multiples of 5 12-20546
 

About Mercury Marine

OEM Part

12-20546 - Washer - Priced Individually [ More info ]

Add to shopping cart $2.50
10+ in stock. Explain stock levels

#36 11-20083 NUT, CRANKCASE TO CYLINDER BLOCK STUD (6 required per assembly)
1122053 11-20083
 

About Mercury Marine

OEM Part

11-20083 - Nut - Priced Individually [ More info ]

Add to shopping cart $0.80
10+ in stock. Explain stock levels

NUT (.312-24) 11-22053
11-22053

About Mercury Marine

OEM Part

11-22053 - Nut - Priced Individually [ More info ]

Add to shopping cart $2.00
10+ in stock. Explain stock levels

#37 20453 PLATE, SPRING CLAMP (1 required per assembly)
PLATE,NLA 20453
 

About Mercury Marine

OEM Part

20453 - Plate, NLA [ More info ]

Add to shopping cart $8.00
1 in stock. Explain stock levels

#39 10-20665 SCREW, CLAMP PLATE (2 required per assembly)
SCREW,NLA 10-20665
 

About Mercury Marine

OEM Part

10-20665 - Screw, NLA [ More info ]

Add to shopping cart $1.60
10+ in stock. Explain stock levels

#40 24-20899 SPRING, DETENT (1 required per assembly)
SPRING,NLA 24-20899
 

About Mercury Marine

OEM Part

24-20899 - Spring, NLA [ More info ]

Add to shopping cart $6.50
1 in stock. Explain stock levels

#41 54-20454 CLAMP, DETENT SPRING (1 required per assembly)
CLAMP ,NLA 54-20454
 

About Mercury Marine

OEM Part

54-20454 - Clamp, NLA [ More info ]

Add to shopping cart $3.00
3 in stock. Explain stock levels

#43 11-20652 NUT, DETENT SPRING SCREW (2 required per assembly)
11-20652 - NUT @5            O - Replaced by 11-37806
 

This part has been superseded.

11-20652 - 11-20652 - NUT @5 O [ More info ]
Unavailable
Replaced by 11-37806
11-37806 - NUT               O - Replaced by 11-20565
 

This part has been superseded.

11-37806 - 11-37806 - NUT O [ More info ]
Unavailable
Replaced by 11-20565
11-20565 - NUT @5            O - Replaced by 11-46438
 

This part has been superseded.

11-20565 - 11-20565 - NUT @5 O [ More info ]
Unavailable
Replaced by 11-46438
NUT (#10-32) 11-46438
 

About Mercury Marine

OEM Part

11-46438 - Nut - Priced Individually [ More info ]

Add to shopping cart $4.20
10+ in stock. Explain stock levels

#44 10-20512 SCREW, DETENT SPRING (2 required per assembly)
10-20512 - SCREW             O - Replaced by 10-25764
 

This part has been superseded.

10-20512 - 10-20512 - SCREW O [ More info ]
Unavailable
Replaced by 10-25764
SCREW (.190-32 x .50) 10-25764
10-25764

About Mercury Marine

OEM Part

10-25764 - Screw - Priced Individually [ More info ]

Add to shopping cart $2.60 $1.76
10+ in stock. Explain stock levels