Parts for MerCruiser 120 / 140 1967-1969 Gear Housing Assembly
Reference numbers in this diagram can be found in a light blue row below — scroll down to order.
| # | 1623-4110A 5 | GEAR HOUSING ASSEMBLY, COMPLETE (1 required per assembly) |
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1623-4110A 5 - GEAR Housing, NLA [ More info ] Unavailable |
| #1 | 1623-2764A 1 | GEAR HOUSING ASSEMBLY (ALUMINUM) (1 required per assembly) |
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1623-2764A 1 - Gear Housing,BASIC,NLA [ More info ] Unavailable |
| #1 | 1623-5364A4 | GEAR HOUSING ASSEMBLY (PLASTIC) (1 required per assembly) |
| #56 | 18-89212 | COTTER PIN, CLUTCH ACTUATING SHAFT (1 required per assembly) |
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18-89212 - Cotter Pin , Priced Individually [ More info ]
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18-46950 1 - Cotter Pin [ More info ]
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| #57 | N.S.S. | SLEEVE, ADJUSTING REPLACED BY 19755A4 (1 required per assembly) |
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N.S.S. - Not Sold Separate [ More info ] Unavailable |
| #63 | 37966 | SHIFT CRANK (1 required per assembly) |
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37966 - Crank, NLA [ More info ]
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| #64 | 15-47397A 1 | SHIM (AR required per assembly) |
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15-47397A 1 - Shim Set [ More info ]
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18-2285 - Shim 15-47397A1 [ More info ]
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| #65 | 43-35930A 2 | FORWARD GEAR ASSEMBLY (1 required per assembly) |
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43-35930A 2 - Forward Gear Assembly, NLA [ More info ]
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| #66 | 31-30895 | ROLLER BEARING, FORWARD GEAR (1 required per assembly) |
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31-30895 - Roller Bearing -Forward Gear [ More info ]
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31-30895T - Bearing - Roller [ More info ]
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| #67 | 31-35928A 1 | ROLLER BEARING (1 required per assembly) |
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31-35928A 1 - Tapered Roller Bearing [ More info ]
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31-35928T 1 - Tapered Roller Bearing [ More info ]
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18-1159 - Bearing 31-35928A1 [ More info ]
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| #68 | 52-37963 | CLUTCH (1 required per assembly) |
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52-37963 - Clutch [ More info ]
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| #69 | 17-30632 | CROSS PIN (1 required per assembly) |
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17-30632 - Pin - Cross - Priced Individually [ More info ]
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17-8M0020941 - Pin, Cross [ More info ] Unavailable |
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17-8M0084681 - Pin - Priced Individually [ More info ] Unavailable |
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17-8M0100263 - Pin - Priced Individually [ More info ]
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| #70 | 24-30893 | SPRING, RETAINER - CROSS PIN (1 required per assembly) |
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24-30893 - Spring, Reatiner - Cross Pin [ More info ]
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| #71 | 44-45452 | PROPELLER SHAFT (1 required per assembly) |
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44-45452 - Prop Shaft, NLA [ More info ]
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| #72 | 43-37964 | REVERSE GEAR (1 required per assembly) |
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43-37964 - Reverse Gear Assembly [ More info ]
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| #73 | 35915 | THRUST RING, BEARING CARRIER (1 required per assembly) |
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35915 - Thurst Ring [ More info ]
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| #74 | 30-17927 | BALL BEARING, REVERSE GEAR (1 required per assembly) |
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30-17927 - Ball Bearing [ More info ]
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30-88957A 1 - Ball Bearing [ More info ] Unavailable |
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30-88957 - Ball Bearing [ More info ] Unavailable |
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30-88957T - Ball Bearing [ More info ]
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18-1155 - Bearing 30-88957T [ More info ]
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| #75 | 15-31535A 1 | SHIM (AR required per assembly) |
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15-31535A 1 - Shim Set [ More info ]
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| #76 | 25-31534 | O-RING, BEARING CARRIER (1 required per assembly) |
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25-31534 - O-Ring, Bearing Carrier [ More info ] Unavailable |
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25-8M0214920 - Bell Housing O-Ring Note: Priced Individually [ More info ]
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18-7159-9 - (PK5) O-Ring 25-31534 [ More info ]
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| #77 | 52835A 2 | BEARING CARRIER ASSEMBLY (1 required per assembly) |
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52835A 2 - Carrier Assembly [ More info ]
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| #78 | 31-30956 | ROLLER BEARING (1 required per assembly) |
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31-30956 - Roller Bearing - Bearing Carrier [ More info ] Unavailable |
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31-30956T - Roller Bearing [ More info ]
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18-1158 - Bearing 31-30956, 387247 [ More info ]
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| #79 | 26-76868 | OIL SEAL (2 required per assembly) |
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26-76868 - Gearcase Seal - Priced Individually [ More info ] Unavailable |
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26-8M0204670 - Gearcase Seal, Priced Individually E/J O/B [ More info ]
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18-2002 - Seal 26-76868, 320862 [ More info ]
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| #80 | 28-30281 | KEY (1 required per assembly) |
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28-30281 - Key - Priced Individually [ More info ]
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| #81 | 12-31536 | WASHER, GEAR HOUSING COVER (ALUMINUM) (1 required per assembly) |
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12-31536 - Washer, Gear Housing Cover To Retainer, NLA [ More info ]
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| #81 | 14-79447 | TAB, WASHER, GEAR HOUSING COVER (PLASTIC) (1 required per assembly) |
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14-79447 - Tab Washer - Priced Individually [ More info ]
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| #82 | 79448 | COVER, GEAR HOUSING (1 required per assembly) |
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79448 - Retainer [ More info ] Unavailable |
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8M2011027 - Bearing Car Retaining Nut [ More info ] Unavailable |
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18-3751 - Nut, 79448 [ More info ]
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8M0168577 - Bearing Carrier Retaining Nut [ More info ]
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| #83 | 12-45450 | THRUST WASHER, BEARING CARIER (1 required per assembly) |
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12-45450 - Washer, NLA [ More info ]
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| #84 | 45451A 1 | THRUST HUB AND WASHER ASSEMBLY (1 required per assembly) |
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45451A 1 - Thrust Hub Assembly, NLA [ More info ]
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| #85 | 12-35965 | WASHER, CUPPED (1 required per assembly) |
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12-35965 - Washer, Cupped - Thrust Hub, NLA [ More info ]
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| #86 | 12-31211A 2 | WASHER, SPLINED - PROPELLER SHAFT (1 required per assembly) |
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12-31211A 2 - Thrust Washer [ More info ] Unavailable |
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12-31211A 3 - Washer, Splined - Propeller Shaft [ More info ] Unavailable |
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12-31211Q03 - Washer - Priced Individually [ More info ]
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18-3714 - Washer, 12-31211A2 [ More info ]
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12-31211K03 - Washer - Priced Individually [ More info ]
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| #87 | 14-31210 | TAB WASHER, PROPELLER NUT (1 required per assembly) |
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14-31210 - Tab Washer - Priced Individually [ More info ] Unavailable |
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14-816629 - Tab Washer [ More info ]
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14-816629Q - Tab Washer - Priced Individually [ More info ]
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18-3200-9 - Washer, 14-816629, 10PK [ More info ]
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14-816629K - Tab Washer - Priced Individually [ More info ]
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| #88 | 11-29594 | PROPELLER NUT (1 required per assembly) |
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11-29594 - Prop Nut [ More info ]
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| #89 | 31640A 1 | TRIM TAB ASSEMBLY (120) (1 required per assembly) |
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31640A 1 - Trim Tab [ More info ] Unavailable |
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31640 3 - 31640 3 - TRIM TAB [ More info ] Unavailable Replaced by -31640 4 |
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31640 4 - Anode/Trim Tab [ More info ] Unavailable |
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97-31640Q4 - Anode/Trim Tab [ More info ]
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18-6241 - Trim Tab Anode, Magnesium, 31640 [ More info ]
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18-6011A - Trim Tab Anode, Aluminum [ More info ]
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18-6011 - Trim Tab, Zinc, 31640A1 [ More info ]
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97-31640T 4 - Trim Tab Anode [ More info ]
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| #89 | 34127A 1 | TRIM TAB ASSEMBLY (140/160) (1 required per assembly) |
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34127A 1 - Trim Tab [ More info ] Unavailable |
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34127T 1 - Trim Tab [ More info ]
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34127T 2 - Trim Tab [ More info ]
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18-6012 - Trim Tab, Zinc 34127A1 [ More info ]
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| #90 | 10-32470 | SCREW, TRIM TAB (1-3/4") (1 required per assembly) |
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10-32470 - Screw - Priced Individually [ More info ]
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18-6245 - Screw, 10-32470 [ More info ]
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| #91 | 30-30206 | SCREW, GEAR HOUSING TO DRIVE SHAFT HOUSING (1") (1 required per assembly) |
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10-30206 - Screw - Priced Individually [ More info ]
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18-2361-9 - Screw, 10-30206, 2PK [ More info ]
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| #92 | 11-34933 | NUT, DRIVE SHAFT HOUSING TO GEAR HOUSING STUD (2 required per assembly) |
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11-34933 - Nut (7/16-20) [ More info ] Unavailable |
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11-8M0204653 - Prop Lock Nut 7/16-20 , Priced Individually [ More info ]
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18-3721-9 - Lock Nut, 11-34933, 5PK [ More info ]
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