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Parts for Mercury Mark & Kiekhaefer Mark 55, 55E Cylinder Block & Crankcase Assembly

#1 808-325A 3 CYLINDER BLOCK AND CRANKCASE ASSEMBLY (1,1,,,,,, required per assembly) SEE INTRODUCTION ON INDEX PAGE SERIAL 0000(12)-01148045
CYLINDER BLOCK    O - Replaced by 808-1321A 3
 

This part has been superseded.

808-325A 3 - CYLINDER BLOCK O [ More info ]
Unavailable
Replaced by 808-1321A 3
CYLINDER BLOCK    O - Replaced by 808-1321A 4
 

This part has been superseded.

808-1321A 3 - CYLINDER BLOCK O [ More info ]
Unavailable
Replaced by 808-1321A 4
CYLINDER BLOCK    O NLA
 

About Mercury Marine

OEM Part

CYLINDER BLOCK O NLA [ More info ]
Unavailable
#1 808-1321A 2 CYLINDER BLOCK AND CRANKCASE ASSEMBLY (,,1,1,1,1, required per assembly) SEE INTRODUCTION ON INDEX PAGE SERIAL )1148046-09999999
CYLINDER BLOCK    O - Replaced by 808-1321A 3
 

This part has been superseded.

808-1321A 2 - CYLINDER BLOCK O [ More info ]
Unavailable
Replaced by 808-1321A 3
#1 808-1321A 3 CYLINDER BLOCK AND CRANKCASE ASSEMBLY (,,,,,,1,1 required per assembly) SEE INTRODUCTION ON INDEX PAGE
#- 17-20323 DOWEL PIN, CYLINDER BLOCK TO CENTER MAIN BEARING (1,1,1,1,1, required per assembly)
PIN Dowel 17-20323
 

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OEM Part

17-20323 - Pin -Dowel - Priced Individually [ More info ]

Add to shopping cart $3.00 $2.03
10+ in stock. Explain stock levels

#- 17-20032 DOWEL PIN, CYLINDER BLOCK TO MAIN BEARING (2,2,2,2,2, required per assembly)
PIN Dowel 17-20032
 

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OEM Part

17-20032 - Pin -Dowel - Priced Individually [ More info ]

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

#- 23-26348 BUSHING, CRANKCASE (2,2,2,2,2, required per assembly)
BUSHING      ,NLA 23-26348
 

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OEM Part

23-26348 - Bushing , NLA [ More info ]

Add to shopping cart $14.00
10+ in stock. Explain stock levels

#2 16-25385 STUD, CARBURETOR MOUNTING (1 3/16") (4,4,4,4,4, required per assembly)
STUD @3           O NLA
 

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OEM Part

STUD @3 O NLA [ More info ]
Unavailable
#3 17-20033 DOWEL PIN, CRANKCASE TO CYLINDER BLOCK (2,2,2,2,2, required per assembly)
1743044 17-20033
 

About Mercury Marine

OEM Part

17-20033 - Pin -Dowel - Priced Individually [ More info ]

Add to shopping cart $1.15
3 in stock. Explain stock levels

PIN Dowel - Without Hol 17-43044
 

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OEM Part

17-43044 - Pin -Dowel-solid [ More info ]

Add to shopping cart $1.70
Available to order: Usually ships within 8 days. Explain stock levels

#4 16-29988 STUD, CRANKCASE TO DRIVE SHAFT HOUSING (1 9/16") (2,2,2,2,2, required per assembly)
STUD @2           O - Replaced by 16-33111
 

This part has been superseded.

16-29988 - STUD @2 O [ More info ]
Unavailable
Replaced by 16-33111
STUD,NLA 16-33111
 

About Mercury Marine

OEM Part

16-33111 - Stud, NLA [ More info ]

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

#5 16-29989 STUD, CYLINDER BLOCK TO DRIVE SHAFT HOUSING (1 7/8") (4,4,4,4,4, required per assembly)
STUD,NLA 16-29989
 

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OEM Part

16-29989 - Stud, NLA [ More info ]

Add to shopping cart $6.00
10+ in stock. Explain stock levels

#6 16-29990 STUD, CYLINDER BLOCK TO DRIVE SHAFT HOUSING (3 3/8") (2,2,2,2,2, required per assembly)
STUD @2           O - Replaced by 16-56297
 

This part has been superseded.

16-29990 - STUD @2 O [ More info ]
Unavailable
Replaced by 16-56297
16562972 16-56297
 

About Mercury Marine

OEM Part

16-56297 - STUD [ More info ]

Add to shopping cart $8.80
10+ in stock. Explain stock levels

STUD              O - Replaced by 16-8M0034463
 

This part has been superseded.

16-56297 2 - STUD O [ More info ]
Unavailable
Replaced by 16-8M0034463
STUD (.312-24 x 3.38) 16-8M0034463
 

About Mercury Marine

OEM Part

16-8M0034463 - Stud [ More info ]

Add to shopping cart $5.60
Available to order: Usually ships within 8 days. Explain stock levels

#7 10-22039 SCREW, CRANKCASE TO CYLINDER BLOCK (2 3/4") (4,4,4,4,4, required per assembly)
SCREW,NLA 10-22039
 

About Mercury Marine

OEM Part

10-22039 - Screw, NLA [ More info ]

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

#8 10-22040 SCREW, CRANKCASE TO CYLINDER BLOCK (1 1/2") (14,14,14,1 required per assembly)
SCREW @5          O - Replaced by 10-69097
 

This part has been superseded.

10-22040 - SCREW @5 O [ More info ]
Unavailable
Replaced by 10-69097
SCREW             O - Replaced by 10-78841
 

This part has been superseded.

10-69097 - SCREW O [ More info ]
Unavailable
Replaced by 10-78841
BOLT              O NLA
 

About Mercury Marine

OEM Part

BOLT O NLA [ More info ]
Unavailable
#9 11-20083 NUT, CRANKCASE SCREW (3,3,3,3,3, 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
Available to order: Usually ships within 8 days. Explain stock levels

#10 11-29250 NUT, CRANKCASE (15,15,15,1 required per assembly)
NUT (.312-24) 11-29250
11-29250

About Mercury Marine

OEM Part

11-29250 - Nut - Priced Individually [ More info ]

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

#11 10-20089 SCREW, MAIN BEARING LOCKING (2,2,2,2,2, required per assembly)
SCREW,NLA 10-20089
 

About Mercury Marine

OEM Part

10-20089 - Screw, NLA [ More info ]

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

#12 14-20091 TAB WASHER, BEARING LOCKING SCREW (3,3,3,3,3, 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

#13 10-20359 SCREW, CENTER MAIN BEARING LOCKING (1,1,1,1,1, required per assembly)
SCREW (.375-16 x 1.00) 10-20359
10-20359

About Mercury Marine

OEM Part

10-20359 - Screw - Priced Individually [ More info ]

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

#17 1100-339A 1 END CAP ASSEMBLY, UPPER (1,1,1,1,1, required per assembly)
END CAP ASSY ,NLA 1100-339A 1
1100-339A 1

About Mercury Marine

OEM Part

1100-339A 1 - End Cap Assembly, NLA [ More info ]

Add to shopping cart $98.00
9 in stock. Explain stock levels

#14 30-20080 BEARING, BALL - UPPER END CAP (1,1,1,1,1, required per assembly)
BALL BEARING      O - Replaced by 30-53853
 

This part has been superseded.

30-20080 - BALL BEARING O [ More info ]
Unavailable
Replaced by 30-53853
BALL BEARING      O - Replaced by 30-63742
 

This part has been superseded.

30-53853 - BALL BEARING O [ More info ]
Unavailable
Replaced by 30-63742
3063742T 30-63742
30-63742

About Mercury Marine

OEM Part

30-63742 - Ball Bearing [ More info ]

Add to shopping cart $20.00
2 in stock. Explain stock levels

BEARING Ball 30-63742T
30-63742T

About Mercury Marine

OEM Part

30-63742T - Ball Bearing [ More info ]

Add to shopping cart $29.00 $24.84
Available to order: Usually ships within 8 days. Explain stock levels

Ball Bearing
18-1154

About Sierra Marine

OEM Match

18-1154 - Bearing, 30-63742, 377139 [ More info ]

Add to shopping cart $25.99 $19.44
1 in stock. Explain stock levels

#15 25-20081 "O" RING , UPPER END CAP (1,1,1,1,1, required per assembly)
O-RING 25-20081
25-20081

About Mercury Marine

OEM Part

25-20081 - O-Ring - Priced Individually [ More info ]

Add to shopping cart $2.40
10+ in stock. Explain stock levels

O-Ring
18-7151

About Sierra Marine

OEM Match

18-7151-9 - (PK5) O-Ring Mercury 25-20081 [ More info ]

Add to shopping cart $12.45 $7.10
2 in stock. Explain stock levels

#16 26-29476 OIL SEAL (1,1,1,1,1, required per assembly)
OIL SEAL @5       O - Replaced by 26-41953
 

This part has been superseded.

26-29476 - OIL SEAL @5 O [ More info ]
Unavailable
Replaced by 26-41953
SEAL Note: must be ordered in multiples of 2 26-41953
26-41953

About Mercury Marine

OEM Part

26-41953 - Seal - Priced Individually [ More info ]

Add to shopping cart $15.30
7 in stock. Explain stock levels

Oil Seal
18-2016

About Sierra Marine

OEM Match

18-2016 - Seal, 26-41953 [ More info ]

Add to shopping cart $10.99 $8.18
10+ in stock. Explain stock levels

#18 15-20082A 1 SHIM, END CAP COVER TO CRANKCASE (AR,AR,AR,A required per assembly)
SHIM SET          O NLA
 

About Mercury Marine

OEM Part

SHIM SET O NLA [ More info ]
Unavailable
#19 13-26993 LOCKWASHER, END CAP MOUNTING SCREW (4,4,4,4,4, required per assembly)
LOCKWASHER (.312) 13-26993
 

About Mercury Marine

OEM Part

13-26993 - LockWasher - Priced Individually [ More info ]

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

#20 10-29256 SCREW, END CAP MOUNTING (4,4,4,4,4, required per assembly)
SCREW (.312-18 x .875) 10-29256
10-29256

About Mercury Marine

OEM Part

10-29256 - Screw - Priced Individually [ More info ]

Add to shopping cart $1.80
10+ in stock. Explain stock levels

#23 1102-24A 4 END CAP ASSEMBLY, LOWER (1,1,1,1,1, required per assembly)
END CAP ASSY      O - Replaced by 1102-1484A 1
 

This part has been superseded.

1102-24A 4 - END CAP ASSY O [ More info ]
Unavailable
Replaced by 1102-1484A 1
END CAP ASSY      O - Replaced by 1102-4181A 3
 

This part has been superseded.

1102-1484A 1 - END CAP ASSY O [ More info ]
Unavailable
Replaced by 1102-4181A 3
END CAP ASSY      O NLA
 

About Mercury Marine

OEM Part

END CAP ASSY O NLA [ More info ]
Unavailable
#23 1102-1484A 1 END CAP ASSEMBLY, LOWER (,,,,,,1,1 required per assembly)
#24 26-29477 OIL SEAL, LOWER (,,,,,,1,1 required per assembly)
SEAL,NLA 26-29477
26-29477

About Mercury Marine

OEM Part

26-29477 - Seal, NLA [ More info ]

Add to shopping cart $30.00
10+ in stock. Explain stock levels

#- - 21-28481A 1 CHECK VALVE ASSEMBLY (,,,,,,1,1 required per assembly)
CHECK VALVE KIT,NLA 21-28481A 1
 

About Mercury Marine

OEM Part

21-28481A 1 - Check Valve Kit, NLA [ More info ]

Add to shopping cart $24.00
10+ in stock. Explain stock levels

#25 15-20085A 1 SHIM, END CAP TO CRANKCASE (AR,AR,AR,A required per assembly)
SHIM SET 15-20085A 1
 

About Mercury Marine

OEM Part

15-20085A 1 - Shim Set [ More info ]

Add to shopping cart $50.00
1 in stock. Explain stock levels

#29 27-26923 GASKET, CYLINDER BLOCK TO MANIFOLD PLATE (1,1,1,1,1, required per assembly)
GASKET,NLA LONG 27-26923
27-26923

About Mercury Marine

OEM Part

27-26923 - Gasket - Priced Individually [ More info ]

Add to shopping cart $16.00
10+ in stock. Explain stock levels

#28 26922 PLATE, EXHAUST MANIFOLD (1,1,1,1,1, required per assembly)
PLATE             O NLA
 

About Mercury Marine

OEM Part

PLATE O NLA [ More info ]
Unavailable
#30 28240 COVER, EXHAUST MANIFOLD (1,1,1,1,1, required per assembly)
COVER             O NLA
 

About Mercury Marine

OEM Part

COVER O NLA [ More info ]
Unavailable
#31 10-28668 SCREW, MANIFOLD COVER MOUNTING (15,15,15,1 required per assembly)
SCREW (.250-20 x .875) 10-28668
10-28668

About Mercury Marine

OEM Part

10-28668 - Screw - Priced Individually [ More info ]

Add to shopping cart $1.20
10+ in stock. Explain stock levels

Screw,Wtr Pckt/Mr Alpha
18-3229

About Sierra Marine

OEM Match

18-3229-9 - Screw, 10-28668, 5PK [ More info ]

Add to shopping cart $9.95 $4.54
Available to order: Usually ships within 8 days. Explain stock levels

#31 10-28666 SCREW, COVER AND HIGH TENSION LEAD CLIP (,,,,2,2,2, required per assembly)
SCREW,NLA 10-28666
 

About Mercury Marine

OEM Part

10-28666 - Screw, NLA [ More info ]

Add to shopping cart $1.25
10+ in stock. Explain stock levels

#33 12-20028 WASHER, COVER AND HIGH TENSION HEAD CLIP SCREWS (2,2,2,2,2, 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

#34 27-20030 GASKET, TRANSFER PORT COVER (4,4,4,4,4, required per assembly)
Gasket,NLA 27-20030
 

About Mercury Marine

OEM Part

27-20030 - Gasket [ More info ]

Add to shopping cart $6.00
10+ in stock. Explain stock levels

#- - 27-27936 GASKET, TRANSFER PORT COVER (,,,,,,2,2 required per assembly) SERIAL 01146920-09999999
GASKET @10        O - Replaced by 27-27936  1
27-27936

This part has been superseded.

27-27936 - GASKET @10 O [ More info ]
Unavailable
Replaced by 27-27936 1
GASKET 27-27936  1
27-27936  1

About Mercury Marine

OEM Part

27-27936 1 - Gasket [ More info ]

Add to shopping cart $2.60
Available to order: Usually ships within 8 days. Explain stock levels

#35 25206 COVER, TRANSFER PORT (4,4,4,4,4, required per assembly)
COVER,NLA 25206
 

About Mercury Marine

OEM Part

25206 - Cover, NLA [ More info ]

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

#- - 27935 COVER, TRANSFER PORT (,,,,,,2,2 required per assembly) SERIAL 01146920-09999999
COVER,NLA 27935
 

About Mercury Marine

OEM Part

27935 - Cover, NLA [ More info ]

Add to shopping cart $12.50
10+ in stock. Explain stock levels

#37 10-20540 SCREW, TRANSFER PORT COVER MOUNTING (8,8,8,8,8, required per assembly)
SCREW,NLA 10-20540
 

About Mercury Marine

OEM Part

10-20540 - Screw, NLA [ More info ]

Add to shopping cart $1.25
10+ in stock. Explain stock levels

#38 1000-1A 1 CYLINDER BLOCK COVER ASSEMBLY (1,1,1,1,1, required per assembly)
COVER ASSY        O NLA
 

About Mercury Marine

OEM Part

COVER ASSY O NLA [ More info ]
Unavailable
#39 27-22333 GASKET, CYLINDER BLOCK COVER (1,1,1,1,1, required per assembly)
GASKET @2         O NLA
27-22333

About Mercury Marine

OEM Part

GASKET @2 O NLA [ More info ]
Unavailable
#41 10-20653 SCREW, CYLINDER BLOCK COVER MOUNTING (10,10,10,1 required per assembly)
SCREW (.250-28 x 1.00) 10-20653
10-20653

About Mercury Marine

OEM Part

10-20653 - Bolt - Priced Individually [ More info ]

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

#40 11-20184 NUT, COVER MOUNTING SCREW (10,10,10,1 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
2 in stock. Explain stock levels

#42 21-28483A 1 CHECK VALVE ASSEMBLY, LOWER BLEED HOSE (,,1,1,1,1, required per assembly)
CHECK VALVE ASSY  O - Replaced by 22-62365A 1
 

This part has been superseded.

21-28483A 1 - CHECK VALVE ASSY O [ More info ]
Unavailable
Replaced by 22-62365A 1
CONNECTOR-FUEL,NLA 22-62365A 1
22-62365A 1

About Mercury Marine

OEM Part

22-62365A 1 - Fuel Connector, NLA [ More info ]

Add to shopping cart $32.00
10+ in stock. Explain stock levels

#43 32-26060 HOSE, CYLINDER BLEED ( 1/2") UPPER (,,1,1,1,1, required per assembly) SERIAL 00000000-01148045
HOSE              O - Replaced by 32-32840A 1
 

This part has been superseded.

32-26060 - HOSE O [ More info ]
Unavailable
Replaced by 32-32840A 1
HOSE ASSY         O - Replaced by 32-52742A 1
 

This part has been superseded.

32-32840A 1 - HOSE ASSY O [ More info ]
Unavailable
Replaced by 32-52742A 1
HOSE ASSY         O - Replaced by 32-26980 88
 

This part has been superseded.

32-52742A 1 - HOSE ASSY O [ More info ]
Unavailable
Replaced by 32-26980 88
HOSE              O - Replaced by 32-99126 88
 

This part has been superseded.

32-26980 88 - HOSE O [ More info ]
Unavailable
Replaced by 32-99126 88
TUBING (36.00 Inches Bu 32-99126 88
32-99126 88

About Mercury Marine

OEM Part

32-99126 88 - Tubing - 36 Inch [ More info ]

Add to shopping cart $25.60 $21.92
5 in stock. Explain stock levels

#43 32-28654 HOSE, CYLINDER BLEED (6 1/2") LOWER (,,,,,,1,1 required per assembly) SERIAL 01148046-09999999
HOSE              O - Replaced by 32-32840A 1
 

This part has been superseded.

32-28654 - HOSE O [ More info ]
Unavailable
Replaced by 32-32840A 1
#44 22-20445 CONNECTOR, CYLINDER BLEED HOSE (,,1,1,1,1, required per assembly)
2289097 22-20445
 

About Mercury Marine

OEM Part

22-20445 - Connector [ More info ]

Add to shopping cart $2.35
6 in stock. Explain stock levels

2267902 22-89097
22-89097

About Mercury Marine

OEM Part

22-89097 - Connector [ More info ]

Add to shopping cart $2.90
5 in stock. Explain stock levels

CONNECTOR 22-67902
22-67902

About Mercury Marine

OEM Part

22-67902 - Fitting [ More info ]

Add to shopping cart $8.00 $2.56
8 in stock. Explain stock levels

#45 54-20387 CLAMP, BLEED HOSE TO CHECK VALVE AND CONNECTOR (,,2,2,2,2, required per assembly)
CLAMP,NLA 54-20387
 

About Mercury Marine

OEM Part

54-20387 - Clamp, NLA [ More info ]

Add to shopping cart $5.00
3 in stock. Explain stock levels