Parts for Mercury Marine 4.5 HP (1 Cylinder) Cylinder Block & Crankcase Assembly
Reference numbers in this diagram can be found in a light blue row below — scroll down to order.
| # | 27-78139A80 | GASKET SET |
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27-78139A80 - Engine Overhaul Gasket Set [ More info ] Unavailable |
| #1 | 843-8694A 3 | CYLINDER BLOCK AND CRANKCASE ASSEMBLY (1 required per assembly) |
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843-8694A 3 - Cylinder Block, NLA [ More info ] Unavailable |
| #2 | 16-66021 | STUD (8 required per assembly) CYLINDER BLOCK, CRANKCASE AND CARBURETOR |
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16-66021 - Stud, NLA [ More info ]
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| #3 | 17-85500 | DOWEL PIN - CRANKCASE TO CYLINDER BLOCK (2 required per assembly) |
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17-85500 - Pin, Dowel (.187 X .530) [ More info ]
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178M0084726 - Pin - Dowel [ More info ]
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| #4 | 22-89275 | FITTING, BLEED DRAIN (1 required per assembly) |
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22-89275 - Fitting, NLA [ More info ]
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| #5 | 32-99126 88 | HOSE, BLEED DRAIN (1 required per assembly) |
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32-99126 88 - Tubing - 36 Inch [ More info ]
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| #6 | 54-68424 | CLAMP, BLEED HOSE ATTACHING (2 required per assembly) |
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54-68424 - Clamp [ More info ]
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| #7 | 22-88780 | ELBOW, BLEED DRAIN (1 required per assembly) |
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22-88780 - Elbow [ More info ] Unavailable |
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22-88780 1 - Elbow [ More info ]
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| #8 | 10-73280 | SCREW, CRANKCASE TO CYLINDER BLOCK (1-1/2") (2 required per assembly) |
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10-73280 - Screw, NLA [ More info ]
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| #9 | 10-76621 | SCREW, CRANKCASE TO CYLINDER BLOCK (1") (8 required per assembly) |
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10-76621 - Screw, NLA [ More info ]
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| #10 | 70726 | REED BOCK (1 required per assembly) |
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70726 - Reed Block,NLA [ More info ] Unavailable |
| #11 | 34-35836 | REED, INLET VALVE (2 required per assembly) |
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34-35836 - Reed - Priced Individually [ More info ]
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| #12 | 34-22215 | RETAINER, REED (2 required per assembly) |
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34-22215 - Reed Stop, NLA [ More info ]
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| #13 | 10-28430 | SCREW, REED AND RETAINER TO BLOCK (1/4") (4 required per assembly) |
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10-28430 - Screw [ More info ]
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| #14 | 27-35739 | GASKET, REED BLOCK TO CRANKCASE (1 required per assembly) |
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27-35739 - Reed Block To Crankcase Gasket [ More info ]
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27-35739 1 - Gasket, NLA [ More info ]
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| #15 | 30-72961 | BALL BEARING - CRANKCASE (LOWER) (1 required per assembly) |
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30-72961 - Ball Bearing [ More info ]
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18-1398 - Bearing, 30-72961 [ More info ]
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| #16 | 26-56397 | OIL SEAL, CRANKCASE (LOWER) (1 required per assembly) |
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26-56397 - Seal, NLA [ More info ]
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| #17 | 15-31412A 1 | SHIM ASSEMBLY (AR required per assembly) UPPER HOUSING TO BLOCK (.002-3-5-10) |
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15-31412A 1 - Shim Set, NLA [ More info ]
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| #18 | 1132-6352A 1 | BEARING HOUSING ASSEMBLY, UPPER (1 required per assembly) |
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1132-6352A 1 - Housing,NLA [ More info ] Unavailable |
| #20 | 31-31410 | ROLLER BEARING - UPPER BEARING HOUSING (1 required per assembly) |
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31-31410 - Roller Bearing - Upper Bearing Housing [ More info ]
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| #21 | 26-66301 | OIL SEAL, UPPER BEARING HOUSING (1 required per assembly) |
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26-66301 - Seal - Priced Individually [ More info ]
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| #22 | 25-20863 | "O"RING, UPPER BEARING HOUSING (1 required per assembly) |
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25-20863 - O-ring, Upper Bearing Housing [ More info ]
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18-7152 - O-Ring 25-20863 [ More info ]
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| #23 | 54-34598 | CLAMP, HOLD DOWN (2 required per assembly) |
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54-34598 - Clip, NLA [ More info ]
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| #24 | 10-36205 | SCREW, CLAMP TO BEARING HOUSING (9/16") (4 required per assembly) |
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10-36205 - Screw, NLA [ More info ]
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| #25 | 24-34731 | SPRING, HOLD DOWN RING CLAMP (4 required per assembly) |
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24-34731 - Spring, NLA [ More info ]
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| #26 | 10-39002 | SCREW, UPPER BEARING HOUSING (1/2") (4 required per assembly) |
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10-39002 - Screw, NLA [ More info ]
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| #27 | 35658 | COVER, TRANSFER COVER (1 required per assembly) |
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35658 - Cover, NLA [ More info ] Unavailable |
| #28 | 27-35657 | GASKET, TRANSFER PORT COVER (1 required per assembly) |
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27-35657 - Transfer Port Cover Gasket [ More info ]
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| #29 | 10-20720 | SCREW (2 required per assembly) TRANSFER PORT COVER TO CYLINDER BLOCK (5/8") |
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10-20720 - Screw, NLA [ More info ]
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| #30 | 1016-7070A 1 | COVER ASSEMBLY, CYLINDER BLOCK (1 required per assembly) |
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1016-7070A 1 - Cylinder Block Cover, NLA [ More info ] Unavailable |
| #31 | 66019 | MOUNT, RUBBER - COVER TO TOP COWL (2 required per assembly) |
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66019 - Mount, NLA [ More info ]
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| #32 | 13-20202 | LOCKWASHER, RUBBER MOUNT (2 required per assembly) |
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13-20202 - LockWasher, NLA [ More info ]
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| #33 | 11-22053 | NUT, RUBBER MOUNT TO COVER (2 required per assembly) |
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11-22053 - Nut (5/16x24) [ More info ]
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| #34 | 27-41615 1 | GASKET, COVER TO CYLINDER BLOCK (1 required per assembly) |
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27-41615 1 - Gasket [ More info ]
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| #35 | 10-76630 | SCREW (4 required per assembly) CYLINDER BLOCK COVER TO CYLINDER BLOCK (1") |
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10-76630 - Screw - Priced Individually [ More info ]
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108M0214943 - SCREW, Priced Individually [ More info ]
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| #36 | 27-41614 1 | GASKET, CYLINDER BLOCK TO BAFFLE PLATE (1 required per assembly) |
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27-41614 1 - Gasket - Priced Individually [ More info ]
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| #37 | 46234 | PLATE, BAFFLE - EXHAUST MANIFOLD (1 required per assembly) |
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46234 - Baffle Plate [ More info ]
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| #39 | 46171 | COVER, EXHAUST MANIFOLD (1 required per assembly) |
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46171 - Exhaust Manifold Cover [ More info ]
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| #40 | 10-49668 | SCREW, PLATE/MANIFOLD COVER TO BLOCK (3/4") (6 required per assembly) |
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10-49668 - Screw - Priced Individually [ More info ]
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