Parts for MerCruiser 90 (Sterndrive) 1970-1972 Gear Housing Assembly - Drive
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Try our Aftermarket lower units and upper units may be available. Please call.
Reference numbers in this diagram can be found in a light blue row below — scroll down to order.
#0 | 1634-2766A 5 | GEAR HOUSING-COMPLETE (1 required per assembly) |
1634-2766A 5 - GEAR HOUSING ASSY NLA [ More info ] Unavailable |
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#1 | 1634-2766A 1 | GEAR HOUSING (BASIC) (1 required per assembly) |
1634-2766A 1 - GEAR HOUSING ASSY NLA [ More info ] Unavailable |
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#2 | 16-36196 | STUD-Gear Housing to Water & Oil Adaptor (1-5/16 IN.) (3 required per assembly) |
16-36196 - 16-36196 - STUD [ More info ] Unavailable Replaced by 16-58893 |
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16-58893 - STUD (.250-28 x 1 NLA [ More info ] Unavailable |
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#3 | 16-56298 | STUD-Gear Housing to Drive Shaft Housing (1-31/32 IN.) (2 required per assembly) |
#4 | 31-32898 | ROLLER BEARING-Drive Shaft (1 required per assembly) |
31-32898T - BEARING [ More info ] Unavailable |
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#5 | 45-45695A 2 | DRIVE SHAFT ASSEMBLY (1 required per assembly) |
45-45695A 2 - DRIVE SHAFT ASSY NLA [ More info ] Unavailable |
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#6 | 12-45698 | WASHER-Drive Shaft (1 required per assembly) |
12-45698 - WASHER NLA [ More info ] Unavailable |
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#7 | 24-20254 | SPRING-Drive Shaft (1 required per assembly) |
#8 | 17-30545 | PIN-Drive Shaft (1 required per assembly) |
#9 | 43-55425 | PINION GEAR (1 required per assembly) |
#10 | 11-30932 | NUT-Pinion Gear to Drive Shaft (1 required per assembly) |
#11 | 10-28634 | SCREW-Gear Housing Grease Filler & Vent Hole (1 required per assembly) |
10-28634 - 10-28634 - SCREW (.375-16) [ More info ] Unavailable Replaced by 10-79953 |
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10-79953 - 10-79953 - SCREW (.375-16 x [ More info ] Unavailable Replaced by 10-79953A2 |
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10-79953A2 - 10-79953A2 - ->79953Q2 [ More info ] Unavailable Replaced by -79953Q2 |
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10-79953Q2 - 10-79953Q2 - ->79953Q04 [ More info ] Unavailable Replaced by -79953Q04 |
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10-79953K04 - Drain Screw - Priced Individually [ More info ] |
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#12 | 12-20260 | WASHER-Rubber-Grease Filler & Vent Hole Screw (1 required per assembly) |
12-20260 - 12-20260 - WASHER [ More info ] Unavailable Replaced by 12-19183 |
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12-19183 - 12-19183 - WASHER Fiber [ More info ] Unavailable Replaced by 12-191832 |
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12-191832 - 12-191832 - ->191833 [ More info ] Unavailable Replaced by -191833 |
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12-19183Q02 - Seals, Pack of 4 (yes this is actually a pack of 4) [ More info ] |
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#13 | -45686 | SHIFT SHAFT-Lower (1 required per assembly) |
45686 - DISCONTINUED,NLA [ More info ] Unavailable |
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#14 | 18-20233 | COTTER PIN-Shift Shaft (1 required per assembly) |
#15 | 25-25439 | O RING-Shift Shaft Bushing (1 required per assembly) |
#16 | 23-46284A 1 | BUSHING ASSEMBY-Shift Shaft (1 required per assembly) |
#17 | 26-46021 | OIL SEAL-Shift Shaft Bushing (2 required per assembly) |
26-46021 - 26-46021 - SEAL Oil [ More info ] Unavailable Replaced by 26-89236 |
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#18 | 12-31266 | WASHER-Shift Shaft Bushing (1 required per assembly) |
#19 | 12-29395 | WASHER-Shift Shaft (1 required per assembly) |
#20 | 15-45691A 1 | SHIM SET-Drive Shaft Bearing Cup to Gear Housing (AR required per assembly) |
#21 | 31-45692A 1 | TAPERED ROLLER BEARING ASSEMBLY (1 required per assembly) |
#22 | -NSS | CUP (1 required per assembly) |
NSS - NOT SOLD SEPARATE [ More info ] Unavailable |
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#23 | 11-45690 | NUT-Roller Bearing to Drive Shaft (1 required per assembly) |
11-45690 - NUT NLA [ More info ] Unavailable |
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#24 | 25-26855 | O RING-Water and Oil Adaptor (Large) (1 required per assembly) |
18-7155 - O-Ring 25-26855 [ More info ]
$9.95 $2.06 |
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#25 | 27-45689 | GASKET-Water and Oil Adaptor (1 required per assembly) |
#26 | -45685A 1 | ADAPTOR ASSEMBLY-Water and Oil (1 required per assembly) |
45685A 1 - ADAPTOR ASSY NLA [ More info ] Unavailable |
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#27 | 26-38970 | SEAL-Rubber-Water Inlet Tube (1 required per assembly) |
18-3110 - Seal, 26-38970 [ More info ]
$3.49 $2.90 |
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#28 | 23-52928 | SLEEVE-Guide-Water Inlet Tube (1 required per assembly) |
23-52928 - 23-52928 - SLEEVE @5 [ More info ] Unavailable Replaced by 23-29804 |
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#29 | 25-23145 | O RING-Water and Oil Adaptor (SMALL) (1 required per assembly) |
#30 | 11-30506 | NUT-Water & Oil Adaptor to Gear Housing Stud (3 required per assembly) |