Parts for Mercury Marine Model 40 4 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.
| #1 | 843-4744A 3 | CYLINDER BLOCK AND CRANKCASE ASSEMBLY (1 required per assembly) |
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843-4744A 3 - Cylinder Block [ More info ] Unavailable |
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843-5697A 3 - Cyinder Block [ More info ] Unavailable |
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843-6423A 3 - Cylinder Block [ More info ] Unavailable |
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843-7464A 2 - Cylinder Block [ More info ] Unavailable |
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843-8694A 3 - Cylinder Block, NLA [ More info ] Unavailable |
| #2 | 16-66021 | STUD, SYLINDER BLOCK AND CRANKCASE TO DRIVE SHAFT HOUSING (6 required per assembly) |
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16-66021 - Stud, NLA [ More info ]
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| #3 | 16-66020 | STUD, CARBURETOR MOUNTING (2 required per assembly) |
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16-66020 - Stud, NLA [ More info ]
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| #4 | 17-46912 | PIN, DOWEL - CRANKCASE TO CYLINDER BLOCK (2 required per assembly) |
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17-46912 - Pin -Dowel [ More info ]
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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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| #5 | 22-62035A 3 | ELBOW ASSEMBLY, BLEED DRAIN (1 required per assembly) UNITED STATES 3764824 AND BELOW AUSTRALIA 8014364 AND BELOW BELGIUM 9037733 AND BELOW CANADA 7025897 AND BELOW |
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22-62035A 3 - FITTING ASSY [ More info ] Unavailable |
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22-65350A 1 - CONNECTOR ASSY [ More info ] Unavailable |
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21-64871A 2 - Check Valve Assembly, NLA [ More info ]
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| #6 | 21-56011A 2 | CHECK VALVE ASSEMBLY (1 required per assembly) UNITED STATES 3764824 AND BELOW AUSTRALIA 8014364 AND BELOW BELGIUM 9037733 AND BELOW CANADA 7025897 AND BELOW |
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21-56011A 2 - Check Valve Assembly [ More info ] Unavailable |
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21-42657A 1 - Check Valve Assembly [ More info ]
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21-42657A 3 - Check Valve Assembly [ More info ]
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| #5 | 21-64871A 2 | FITTING ASSEMBLY, BLEED DRAIN (1 required per assembly) UNITED STATES 3529446 THRU 3764824 AUSTRALIA 8005740 THRU 8014364 BELGIUM 9012109 THRU 9037733 CANADA 7011058 THRU 7025897 |
| #7 | 32-54936 | HOSE, BLEED DRAIN (7 1/2") (1 required per assembly) |
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32-54936 - Hose - Bleed [ More info ] Unavailable |
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32-54935 76 - Hose [ More info ] Unavailable |
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32-54935 79 - Hose [ More info ] Unavailable |
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32-99387 79 - Hose -27 Inch [ More info ]
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| #8 | 54-56223 | CLAMP, BLEED HOSE ATTACHING (2 required per assembly) |
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54-56223 - Clamp, NLA [ More info ] Unavailable |
| #9 | 22-62034 | ELBOW, BLEED DRAIN (1 required per assembly) |
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22-62034 - Elbow [ More info ] Unavailable |
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22-78916 - Elbow, NLA [ More info ]
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| #10 | 22-25885 | ELBOW, 90 - 1/8' MALE (TELL TALE) (1 required per assembly) |
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22-25885 - Elbow - Priced Individually [ More info ] Unavailable |
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22-99664 - Elbow [ More info ] Unavailable |
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22-99664 1 - Elbow [ More info ] Unavailable |
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22-99664 2 - Elbow [ More info ]
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| #11 | 10-24624 | SCREW, CRANKCASE TO CYLINDER BLOCK (1 3/4") (2 required per assembly) |
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10-24624 - Screw, NLA [ More info ]
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| #12 | 10-31294 | SCREW, CRANKCASE TO CYLINDER BLOCK (1") (8 required per assembly) |
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10-31294 - Screw, NLA [ More info ]
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10-64278 - Screw, NLA [ More info ]
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| #13 | 11-46887 | NUT, CRANKCASE FASTENING SCREW (10 required per assembly) |
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11-46887 - Nut, (1/4-28) [ More info ] Unavailable |
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11-20184 - Nut, (1/4-28x7/32) [ More info ]
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| #14 | 35728 | REED BLOCK (1 required per assembly) |
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35728 - Reed Block [ More info ]
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70726 - Reed Block,NLA [ More info ] Unavailable |
| #15 | 34-35836 | REED, INLET VALVE (2 required per assembly) |
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34-35836 - Reed - Priced Individually [ More info ]
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| #16 | 34-22215 | RETAINER, REED (2 required per assembly) |
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34-22215 - Reed Stop, NLA [ More info ]
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| #17 | 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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| #18 | 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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| #19 | 30-20861 | BEARING, BALL - CRANKCASE (LOWER) (1 required per assembly) |
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30-20861 - Ball Bearing [ More info ] Unavailable |
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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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| #20 | 26-56397 | OIL SEAL, CRANKCASE (LOWER) (1 required per assembly) |
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26-56397 - Seal, NLA [ More info ]
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| #21 | 15-31412A 1 | SHIM ASSEMBLY, UPPER HOUSING TO BLOCK (.002-3-5-10) (AR required per assembly) |
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15-31412A 1 - Shim Set, NLA [ More info ]
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| #22 | 1132-4471A 1 | BEARING HOUSING ASSEMBLY, UPPER (1 required per assembly) |
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1132-4471A 1 - Housing [ More info ] Unavailable |
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1132-6352A 1 - Housing,NLA [ More info ] Unavailable |
| #24 | 31-31410 | BEARING, ROLLER - UPPER BEARING HOUSING (1 required per assembly) |
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31-31410 - Roller Bearing - Upper Bearing Housing [ More info ]
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| #25 | 26-31411 | OIL SEAL, UPPER BEARING HOUSING (1 required per assembly) |
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26-31411 - Seal, NLA [ More info ]
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| #26 | 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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| #27 | 54-34598 | CLAMP, HOLD DOWN RING (2 required per assembly) |
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54-34598 - Clip, NLA [ More info ]
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| #28 | 10-36205 | SCREW, HOLD DOWN RING CLAMP TO BEARING HOUSING (9/16") (4 required per assembly) |
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10-36205 - Screw, NLA [ More info ]
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| #29 | 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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| #30 | 10-39002 | SCREW, UPPER BEARING HOUSING (#12-24 X 1/2) (4 required per assembly) |
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10-39002 - Screw, NLA [ More info ]
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| #31 | 35658 | COVER, TRANSFER PORT (1 required per assembly) |
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35658 - Cover, NLA [ More info ] Unavailable |
| #32 | 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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| #33 | 10-20720 | SCREW, TRANSFER PORT COVER TO CYLINDER BLOCK (5/8") (2 required per assembly) |
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10-20720 - Screw, NLA [ More info ]
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| #34 | 1016-4776 | COVER, CYLINDER BLOCK (1 required per assembly) UNITED STATES 3764824 AND BELOW AUSTRALIA 8014364 AND BELOW BELGIUM 9037733 AND BELOW CANADA 7025897 AND BELOW |
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1016-4776 - Cover [ More info ] Unavailable |
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1016-5230A 1 - Cover [ More info ] Unavailable |
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1016-7070A 1 - Cylinder Block Cover, NLA [ More info ] Unavailable |
| #35 | 31014 | MOUNT, RUBBER - COVER TO TOP COWL (2 required per assembly) UNITED STATES 3764824 AND BELOW AUSTRALIA 8014364 AND BELOW BELGIUM 9037733 AND BELOW CANADA 7025897 AND BELOW |
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31014 - Mount, NLA [ More info ]
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| #36 | 13-26992 | LOCKWASHER, RUBBER MOUNT (2 required per assembly) UNITED STATES 3764824 AND BELOW AUSTRALIA 8014364 AND BELOW BELGIUM 9037733 AND BELOW CANADA 7025897 AND BELOW |
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13-26992 - LockWasher - Priced Individually [ More info ]
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| #37 | 11-20088 | NUT, RUBBER MOUNT TO COVER (2 required per assembly) UNITED STATES 3764824 AND BELOW AUSTRALIA 8014364 AND BELOW BELGIUM 9037733 AND BELOW CANADA 7025897 AND BELOW |
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11-20088 - Nut (.250X28) [ More info ]
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| #34 | 1016-5230A 1 | COVER ASSEMBLY, CYLINDER BLOCK (1 required per assembly) UNITED STATES 3529446 THRU 3764824 AUSTRALIA 8005740 THRU 8014364 BELGIUM 9012109 THRU 9037733 CANADA 7011058 THRU 7025897 |
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1016-5230A 1 - Cover [ More info ] Unavailable |
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1016-7070A 1 - Cylinder Block Cover, NLA [ More info ] Unavailable |
| #35 | 66019 | MOUNT, RUBBER - COVER TO TOP COWL (2 required per assembly) UNITED STATES 3529446 THRU 3764824 AUSTRALIA 8005740 THRU 8014364 BELGIUM 9012109 THRU 9037733 CANADA 7011058 THRU 7025897 |
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66019 - Mount, NLA [ More info ]
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| #36 | 13-20202 | LOCKWASHER, RUBBER MOUNT (2 required per assembly) UNITED STATES 3529446 THRU 3764824 AUSTRALIA 8005740 THRU 8014364 BELGIUM 9012109 THRU 9037733 CANADA 7011058 THRU 7025897 |
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13-20202 - LockWasher, NLA [ More info ]
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| #37 | 11-20083 | NUT, RUBBER MOUNT TO COVER (2 required per assembly) UNITED STATES 3529446 THRU 3764824 AUSTRALIA 8005740 THRU 8014364 BELGIUM 9012109 THRU 9037733 CANADA 7011058 THRU 7025897 |
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11-20083 - Nut, Starter Solenoid Terminal (5/16X24) [ More info ]
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11-22053 - Nut (5/16x24) [ More info ]
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| #38 | 27-35735 | GASKET, COVER TO CYLINDER BLOCK (1 required per assembly) |
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27-35735 - Cover To Cylinder Block Gasket [ More info ] Unavailable |
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27-78140 - Cover To Cylinder Block Gasket [ More info ] Unavailable |
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27-41615 - Cylinder Block Cover Gasket [ More info ] Unavailable |
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27-41615 1 - Gasket [ More info ]
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| #39 | 10-21091 | SCREW, SYLINDER BLOCK COVER TO CYLINDER BLOCK (1 1/4") (4 required per assembly) |
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10-21091 - Screw, NLA [ More info ]
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| #41 | 27-46232 | GASKET, SYLINDER BLOCK TO BAFFLE PLATE (1 required per assembly) |
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27-46232 - Buffle Plate To Exhaust Manifold Cover Gasket [ More info ] Unavailable |
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27-78139 - Cylinder Block To Baffle Plate Gasket [ More info ] Unavailable |
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27-41614 - Cylinder Block Gasket [ More info ]
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27-41614 1 - Gasket - Priced Individually [ More info ]
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| #42 | 46234 | PLATE, BAFFLET - EXHAUST MANIFOLD (1 required per assembly) |
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46234 - Baffle Plate [ More info ]
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| #44 | 46171 | COVER, EXHAUST MANIFOLD (1 required per assembly) |
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46171 - Exhaust Manifold Cover [ More info ]
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| #45 | 10-28636 | SCREW, PLATE/MANIFOLD COVER TO BLOCK (3/4") (6 required per assembly) UNITED STATES 3529445 AND BELOW AUSTRALIA 8005739 AND BELOW BELGIUM 9012108 AND BELOW CANADA 7011057 AND BELOW |
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10-28636 - Screw - Priced Individually [ More info ]
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| #45 | 10-49668 | SCREW, PLATE/MANIFOLD COVER TO BLOCK (3/4") (6 required per assembly) UNITED STATES 3529445 AND BELOW AUSTRALIA 8005739 AND BELOW BELGIUM 9012108 AND BELOW CANADA 7011057 AND BELOW |
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10-49668 - Screw - Priced Individually [ More info ]
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