Parts for Mercury Mark & Kiekhaefer Mark 30H, 55H Cylinder Block & Crankcase Assembly
Reference numbers in this diagram can be found in a light blue row below — scroll down to order.
| # | 23-26348 | BUSHING, CRANKCASE (2,2,2,2 required per assembly) |
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23-26348 - Bushing , NLA [ More info ] Unavailable |
| # | 17-20323 | DOWEL PIN, CYLINDER BLOCK TO CENTER MAIN BEARING (1,1,1,1 required per assembly) |
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17-20323 - Pin -Dowel - Priced Individually [ More info ]
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| # | 22-21290 | PLUG, PIPE - CYLINDER BLOCK BLEED HOLES (2,,, required per assembly) |
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22-21290 - Plug [ More info ] Unavailable |
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22-52644 - Plug [ More info ] Unavailable |
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22-35268 - Plug [ More info ] Unavailable |
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22-39072 1 - Plug - Priced Individually [ More info ]
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| # | 21-28481A 1 | CHECK VALVE ASSEMBLY (,1,, required per assembly) |
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21-28481A 1 - Check Valve Kit, NLA [ More info ]
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| # | 17-20032 | DOWEL, PIN CYLINDER BLOCK TO MAIN BEARING (2,2,2,2 required per assembly) |
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17-20032 - Pin -Dowel - Priced Individually [ More info ]
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| # | 12-20084 | WASHER, CRANKCASE SCREW (18,18,18, required per assembly) |
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12-20084 - Washer, (.328 X .562 X .062) [ More info ]
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| #1 | 821-1012A 6 | CYLINDER BLOCK & CRANKCASE ASSEMBLY (1,,, required per assembly) |
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821-1012A 6 - Cylinder Block [ More info ] Unavailable |
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821-1316A 4 - CYLINDER BL,NLA [ More info ] Unavailable |
| #1 | 821-1316A 4 | CYLINDER BLOCK & CRANKCASE ASSEMBLY (,1,, required per assembly) |
| #1 | 808-1137A 2 | CYLINDER BLOCK & CRANKCASE ASSEMBLY (,,1, required per assembly) |
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808-1137A 2 - Cylinder Block [ More info ] Unavailable |
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808-1137A 4 - CYLINDER BL,NLA [ More info ] Unavailable |
| #1 | 808-1137A 4 | CYLINDER BLOCK & CRANKCASE ASSEMBLY (,,,1 required per assembly) |
| #2 | 16-25385 | STUD, CARBURETOR MOUNTING (1 1/8) (4,4,, required per assembly) |
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16-25385 - STUD,NLA [ More info ] Unavailable |
| #2 | 16-25919 | STUD, CARBURETOR MOUNTING (1 1/8) (,,4, required per assembly) |
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16-25919 - STUD,NLA [ More info ] Unavailable |
| #2 | 16-21831 | STUD, CARBURETOR MOUNTING (1 1/4) (,,,4 required per assembly) |
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16-21831 - Stud, NLA [ More info ] Unavailable |
| #3 | 17-F2033 | DOWEL PIN, CRANKCASE TO CYLINDER BLOCK (2,2,2,2 required per assembly) |
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17-F2033 - Pin, Groove, NLA [ More info ]
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| #4 | 16-20357 | STUD, CRANKCASE TO DRIVE SHAFT HOUSING (2,2,2,2 required per assembly) |
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16-20357 - Stud, NLA [ More info ] Unavailable |
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16-29989 - Stud, NLA [ More info ]
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| #5 | 10-22039 | SCREW, CRANKCASE TO CYLINDER BLOCK (2 3/4) (4,4,4,4 required per assembly) |
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10-22039 - Screw, NLA [ More info ]
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| #6 | 10-22040 | SCREW, CRANKCASE TO CYLINDER BLOCK (1 1/2) (14,14,14,1 required per assembly) |
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10-22040 - Screw - Priced Individually [ More info ]
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10-69097 - Screw [ More info ]
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10-78841 - Bolt, NLA [ More info ]
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| #7 | 11-25594 | NUT, CRANKCASE SCREW (3,3,3, required per assembly) |
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11-25594 - Nut (5/16-24) [ More info ] Unavailable |
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11-862902 - Nut, (.312-24) [ More info ]
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| #8 | 11-20461 | NUT, CRANKCASE SCREW (15,15,15, required per assembly) |
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11-20461 - Nut - Priced Individually [ More info ] Unavailable |
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11-29250 - Nut (5/16-24) [ More info ]
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| #9 | 10-20089 | SCREW, MAIN BEARING LOCKING (2,2,2,2 required per assembly) |
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10-20089 - Screw, NLA [ More info ]
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| #10 | 14-20091 | TAB WASHER, BEARING LOCKING SCREW (3,3,3,3 required per assembly) |
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14-20091 - Tab Washer - Priced Individually [ More info ]
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| #11 | 10-20359 | SCREW, CENTER MAIN BEARING LOCKING (1,1,1,1 required per assembly) |
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10-20359 - Screw - Priced Individually [ More info ]
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| #12 | 1100-339A 1 | END CAP ASSEMBLY, UPPER (1,1,1,1 required per assembly) |
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1100-339A 1 - End Cap Assembly, NLA [ More info ]
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| #13 | 30-20080 | BEARING, BALL - UPPER END CAP (1,1,1,1 required per assembly) |
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30-20080 - Ball Bearing [ More info ] Unavailable |
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30-53853 - Ball Bearing [ More info ] Unavailable |
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30-63742 - Ball Bearing [ More info ] Unavailable |
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30-63742T - Ball Bearing [ More info ]
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18-1154 - Bearing, 30-63742, 377139 [ More info ]
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| #14 | 25-20081 | "O" RING, UPPER END CAP (1,1,1,1 required per assembly) |
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25-20081 - O-Ring - Priced Individually [ More info ]
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18-7151-9 - (PK5) O-Ring Mercury 25-20081 [ More info ]
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| #15 | 26-25837 | OIL SEAL (1,1,1,1 required per assembly) |
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26-25837 - Oil Seal - Priced Individually [ More info ] Unavailable |
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26-29476 - Oil Seal - Priced Individually [ More info ] Unavailable |
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26-41953 - Oil Seal - Priced Individually [ More info ]
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18-2016 - Seal, 26-41953 [ More info ]
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| #16 | 15-20082 | SHIM, UPPER END CAP TO CRANKCASE (.002-3-5-10) (AR,AR,AR,A required per assembly) |
| #17 | 13-20223 | LOCKWASHER, END CAP MOUNTING SCREW (4,4,4,4 required per assembly) |
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13-20223 - LockWasher - Priced Individually [ More info ] Unavailable |
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13-26993 - LockWasher - Priced Individually [ More info ]
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138M0204647 - LOCKWASHER, Priced Individually [ More info ]
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| #18 | 10-28782 | SCREW, END CAP MOUNTING (4,4,4,4 required per assembly) |
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10-28782 - Screw - Priced Individually [ More info ]
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| #19 | 1102-24A 3 | END CAP ASSEMBLY, LOWER (1,,1, required per assembly) |
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1102-24A 3 - End Cap, NLA [ More info ] Unavailable |
| #19 | 1102-1484A 1 | END CAP ASSEMBLY, LOWER (,1,, required per assembly) |
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1102-1484A 1 - End Cap Assembly [ More info ] Unavailable |
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1102-4181A 3 - End Cap Assembly, NLA [ More info ] Unavailable |
| #19 | 1102-1484A 2 | END CAP ASSEMBLY, LOWER (,,,1 required per assembly) |
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1102-1484A 2 - End Cap [ More info ] Unavailable |
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| #22 | 26-25840 | OIL SEAL, BOTTOM (,1,, required per assembly) |
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26-25840 - Oil Seal [ More info ] Unavailable |
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26-29477 - Seal, NLA [ More info ]
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| #23 | 15-20085 | SHIM, LOWER END CAP TO CRANKCASE (.002-3-5-10) (AR,AR,AR,A required per assembly) |
| #25 | 10-29198 | SCREW, END CAP MOUNTING (,3,,3 required per assembly) |
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10-29198 - Screw w/ Lw - Priced Individually [ More info ]
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| #27 | 27-26923 | GASKET, CYLINDER BLOCK TO MANIFOLD PLATE (1,1,1,1 required per assembly) |
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27-26923 - Cylinder Block To Manifold Plate Gasket [ More info ]
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| #26 | 26922 | PLATE, EXHAUST MANIFOLD (1,1,1,1 required per assembly) |
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26922 - PLATE,NLA [ More info ] Unavailable |
| #28 | 28240 | COVER, EXHAUST MANIFOLD (1,1,1,1 required per assembly) |
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28240 - Exhaust Manifold Cover [ More info ] Unavailable |
| #29 | 10-28668 | SCREW, MANIFOLD COVER MOUNTING (15,15,15, required per assembly) |
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10-28668 - Screw - Priced Individually [ More info ]
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| #29 | 10-28666 | SCREW, MANIFOLD COVER MOUNTING (,,,2 required per assembly) |
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10-28666 - Screw, NLA [ More info ]
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| #30 | 12-20028 | WASHER, COVER MOUNTING SCREW (2,2,2,2 required per assembly) |
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12-20028 - Washer, (.265 X .437 X .060) [ More info ]
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| #31 | 27-20030 | GASKET, TRANSFER PORT COVER (4,,4, required per assembly) |
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27-20030 -Transfer Port Cover Gasket [ More info ] Unavailable |
| #31 | 27-27936 | GASKET, TRANSFER PORT COVER (,2,,2 required per assembly) |
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27-27936 - Starter Motor Bracket Gasket [ More info ] Unavailable |
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27-27936 1 - Gasket [ More info ] Unavailable |
| #32 | 25206 | COVER, TRANSFER PORT (4,,4, required per assembly) |
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25206 - Cover, NLA [ More info ] Unavailable |
| #32 | 27935 | COVER, TRANSFER PORT (,2,,2 required per assembly) |
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27935 - Transfer Port Cover [ More info ]
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| #34 | 10-20540 | SCREW, TRANSFER PORT COVER MOUNTING (8,,8, required per assembly) |
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10-20540 - Screw, NLA [ More info ] Unavailable |
| #35 | 1000-1A 1 | CYLINDER BLOCK COVER ASSEMBLY (1,1,1,1 required per assembly) |
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1000-1A 1 - Cover Assembly, NLA [ More info ] Unavailable |
| #36 | 27-22333 | GASKET, CYLINDER BLOCK COVER (1,1,1,1 required per assembly) |
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27-22333 - Cylinder Block Cover Gasket [ More info ]
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| #37 | 10-20653 | SCREW, CYLINDER BLOCK COVER MOUNTING (10,10,10,1 required per assembly) |
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10-20653 - Bolt - Priced Individually [ More info ]
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| #38 | 11-24652 | NUT, COVER MOUNTING SCREW (10,10,10,1 required per assembly) |
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11-24652 - Nut (1/4-28) [ More info ]
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