Parts for MerCruiser II (1.78:1) 1968-1969 Gear Housing Assembly, Complete
Reference numbers in this diagram can be found in a light blue row below — scroll down to order.
# | 1625-3503A 3 | GEAR HOUSING ASSEMBLY, COMPLETE (1 required per assembly) |
1625-3503A 3 - GEAR Housing, NLA [ More info ] Unavailable |
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#1 | 1625-3503A 1 | GEAR HOUSING ASSEMBLY (1 required per assembly) |
1625-3503A 1 - GEAR Housing, NLA [ More info ] Unavailable |
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#2 | 31-49920 | BEARING, ROLLER-DRIVE SHAFT (1 required per assembly) |
#3 | 45-49919 | DRIVE SHAFT (1 required per assembly) |
#4 | 43-49672 | GEAR, PINION-DRIVE SHAFT (1 required per assembly) |
#5 | 34953 | SHIELD, OIL (1 required per assembly) |
#6 | 11-31538 | NUT, PINION GEAR TO DRIVE SHAFT (1 required per assembly) |
#7 | 15-20928A 1 | SHIM, BEARING TO GEAR HOUSING (.002-3-5-10) (AR required per assembly) |
15-20928A 1 - Shim Set, NLA [ More info ] Unavailable |
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#8 | 30-32165 | BEARING, BALL-DRIVE SHAFT (1 required per assembly) |
#9 | 53-31539 | RING, SNAP-BALL BEARING TO GEAR HOUSING (1 required per assembly) |
#11 | 34956 | RETAINER, BALL BEARING-DRIVE SHAFT (1 required per assembly) |
#12 | 10-30225 | SCREW, BALL BEARING RETAINER TO HOUSING (1") (4 required per assembly) |
#13 | 26-33613 | SEAL, OIL TUBE-BALL BEARING RETAINER (1 required per assembly) |
#14 | 10-28634 | SCREW, GEAR HOUSING GREASE FILLER HOLE (1 required per assembly) |
10-28634 - Drain Screw ONLY, Priced Individually [ More info ] Unavailable |
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10-79953 - Drain Screw ONLY, Priced Individually [ More info ] Unavailable |
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10-79953A 2 - Drain Screw Kit [ More info ] Unavailable |
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10-79953Q 2 - Screw Kit - Priced Individually [ More info ] Unavailable |
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10-79953K04 - Drain Screw - Priced Individually [ More info ] |
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#15 | 12-20260 | WASHER, GEAR HOUSING GREASE FILLER HOLE SCREW (1 required per assembly) |
12-20260 - Sealing Washer [ More info ] Unavailable |
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12-19183 - Washer (3/8 Inch Screw) [ More info ] Unavailable |
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12-19183 2 - Washer - Priced Individually [ More info ] Unavailable |
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12-19183Q02 - Seals, Pack of 4 (yes this is actually a pack of 4) [ More info ] |
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#16 | 15-38374A 1 | SHIM, BEARING CUP TO GEAR HOUSING (.002-3-5-10) (AR required per assembly) |
15-38374A 1 - Shim Set [ More info ] Unavailable |
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#17 | 31-38356A 1 | TAPERED ROLLER BEARING ASSEMBLY, PROPELLER SHAFT (1 required per assembly) |
#18 | 31-38357 | CUP, TAPERED ROLLER BEARING (1 required per assembly) |
#19 | 49918 | ADAPTOR, TAPERED ROLLER BEARING TO PROPELLER SHAFT (1 required per assembly) |
#20 | 43-31526 | GEAR, PROPELLER-PROPELLER SHAFT (1 required per assembly) |
#21 | 31-30894A 1 | TAPERED ROLLER BEARING ASSEMBLY, PROPELLER GEAR (1 required per assembly) |
#22 | 31-31092 | CUP, TAPERED ROLLER BEARING (1 required per assembly) |
#23 | 17-31537 | PIN, DOWEL-PROPELLER GEAR TO PROPELLER SHAFT (1 required per assembly) |
#24 | 44-32245 | SHAFT, PROPELLER (1 required per assembly) |
#25 | 15-31535A 1 | SHIM, BEARING CARRIER TO GEAR HOUSING (.002-3-5-10) (AR required per assembly) |
#26 | 34955 | CARRIER, BEARING-PROPELLER GEAR ROLLER BEARING (1 required per assembly) |
#27 | 25-31534 | "O" RING, BEARING CARRIER TO GEAR HOUSING COVER (1 required per assembly) |
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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#28 | 32248 | RING, BALL BEARING TO GEAR HOUSING COVER (1 required per assembly) |
#29 | 32244A 1 | COVER ASSEMBLY, GEAR HOUSING (1 required per assembly) |
#30 | 26-31554 | OIL SEAL, GEAR HOUSING COVER (1 required per assembly) |
#31 | 30-20840 | BEARING, BALL-GEAR HOUSING COVER (1 required per assembly) |
#32 | 12-31536 | WASHER, GEAR HOUSING COVER TO RETAINER (1 required per assembly) |
12-31536 - Washer, Gear Housing Cover To Retainer, NLA [ More info ] |
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#33 | 32247 | RETAINER, GEAR HOUSING COVER (1 required per assembly) |
32247 - Gear Housing Cover Retainer [ More info ] Unavailable |
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#34 | 31643A 1 | THRUST HUB AND WASHER ASSEMBLY, PROPELLER SHAFT (1 required per assembly) |
#35 | 12-31642 | WASHER, CUPPED-THRUST HUB (1 required per assembly) |
12-31642 - Thrust Washer, NLA [ More info ] Unavailable |
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#36 | 14-31644 | TAB WASHER, PROPELLER SHAFT (1 required per assembly) |
#37 | 11-31608 | NUT, PROPELLER (1 required per assembly) |
#38 | 31640A 1 | TRIM TAB, GEAR HOUSING (1 required per assembly) |
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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18-6011A - Trim Tab Anode, Aluminum [ More info ]
$16.59 $14.01 |
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#39 | 10-49354 | SCREW, TRIM TAB TO GEAR HOUSING (2 1/2") (1 required per assembly) |
10-49354 - Screw [ More info ] Unavailable |
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#40 | 32209 | MAGNET, GEAR HOUSING (1 required per assembly) |
#41 | 10-24878 | SCREW, MAGNET TO GEAR HOUSING (1 1/4") (1 required per assembly) |
#42 | 35-32250 | SCREEN, FILTER-GEAR HOUSING (1 required per assembly) |
#43 | 11-34933 | NUT, DRIVE SHAFT HOUSING STUDS (8 required per assembly) |
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 ]
$19.49 $16.48 |
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#44 | 10-32470 | SCREW, GEAR HOUSING TO DRIVE SHAFT HOUSING (1 3/4") (1 required per assembly) |
#45 | 10-31717 | SCREW, GEAR HOUSING TO DRIVE SHAFT HOUSING (3 1/8") (1 required per assembly) |