Parts for MerCruiser R / MR / Alpha One (Sterndrive) 1983-1990 Gear Housing (Driveshaft) - R
Reference numbers in this diagram can be found in a light blue row below — scroll down to order.
# | 43-803079T 1 | REPAIR KIT, Lower Gear (1 required per assembly) |
43-803079T 1 - Lower Gear Repair Kit [ More info ] Unavailable |
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# | 26-33144A 2 | SEAL KIT (- required per assembly) |
# | 1623-8951A43 | GEAR HOUSING ASSEMBLY, COMPLETE (1 required per assembly) |
1623-8951A43 - Gear Housing Assembly [ More info ] Unavailable |
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90-106-02 - SE106 Lower Unit Mercruiser Alpha One, Standard Rotation [ More info ] |
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# | 46-96148A 8 | BODY ASSEMBLY, Water Pump (- required per assembly) |
18-3319 - Water Pump Kit 46-42579A4, With Base 18-3419 [ More info ] |
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18-3317 - Mercury Water Pump Kit, With Base 18-3417 [ More info ] |
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# | 47-89984T 5 | IMPELLER KIT, Water Pump (1 required per assembly) |
# | 31-803068T 1 | BEARING AND SEAL KIT (1 required per assembly) |
# | 26-32511A 1 | SEAL KIT (1 required per assembly) |
# | 46-57234T 1 | PUMP KIT, Water (1 required per assembly) |
#1 | 1623-5356A 4 | GEAR HOUSING ASSEMBLY (1 required per assembly) |
18-2402 - Housing, 1623-5356A4 [ More info ]
$908.99 $823.67 |
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#2 | 17-37972 1 | PIN, SHIFT CRANK - GEAR HOUSING (1 required per assembly) |
#3 | 16-46911 | STUD, GEAR HOUSING TO DRIVE SHAFT HOUSING (3-3/16 inch) (1 required per assembly) |
#4 | 16-56298 | STUD, GEAR HOUSING TO DRIVE SHAFT HOUSING (1-31/32 inch) (2 required per assembly) |
#5 | 26-45577 1 | SEAL, GEAR HOUSING (1 required per assembly) (Component of Driveshaft Housing Seal Kit 26-32511A1) (Component of Gear Repair Kits No. 1-5) |
#6 | 16-56297 2 | STUD, (.312-18/.324-24 x 3.380), WATER PUMP GEAR HOUSING (1 required per assembly) |
16-56297 2 - Stud [ More info ] Unavailable |
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#7 | 16-69501 | STUD, WATER PUMP GEAR HOUSING (3-1/4 inch) (2 required per assembly) |
#9 | 31-92366A 1 | BEARING ASSEMBLY, Roller, DRIVE SHAFT (1 required per assembly) |
#10 | 66885 | INSERT, WATER PICKUP (STARBOARD SIDE) (1 required per assembly) |
#11 | 66884 | INSERT, WATER PICKUP (PORT SIDE) (1 required per assembly) |
#12 | 10-76156 | SCREW, (#10-32 x 1.88), INSERT TO GEAR HOUSING (1 required per assembly) |
#13 | 11-45812 | NUT, (#10-32) Stainless Steel, INSERT SCREW (1 required per assembly) |
11-859124 - Nut, (#10-32) Stainless Steel, Nylon Insert [ More info ] |
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#14 | 45-41939F 1 | DRIVESHAFT ASSEMBLY (1 required per assembly) |
#15 | 17-30545 | PIN, DRIVESHAFT (1 required per assembly) |
#16 | 24-34576 | SPRING, COMPRESSION - DRIVESHAFT (1 required per assembly) |
24-34576 - Spring, Compression - Drive Shaft,NLA [ More info ] |
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#17 | 25-30613 | O-RING, UPPER - DRIVESHAFT (1 required per assembly) |
25-8M0214919 - O RING @5 [ More info ] Unavailable |
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#18 | 43-96084A 7 | GEAR SET (INCLUDES PINION AND FORWARD GEARS) (1 required per assembly) |
#19 | 11-35921 | NUT, (.625-18), PINION GEAR TO DRIVESHAFT (1 required per assembly) |
18-2359 - Nut Kit [ More info ]
$5.19 $2.97 |
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#20 | 15-57007A 1 | SHIM, DRIVESHAFT BEARING (AR required per assembly) |
#21 | 31-53079A 1 | BEARING ASSEMBLY, Tapered Roller, DRIVESHAFT (1 required per assembly) |
31-53079A 1 - Tapered Roller Bearing - Dirve Shaft [ More info ] |
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#22 | 27-856704 | GASKET, WATER PUMP TO GEAR HOUSING (1 required per assembly) |
27-8M0214962 - GASKET @5 [ More info ] Unavailable |
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#23 | 25-33145 | O-RING, (1.984 x .139), WATER PUMP (1 required per assembly) |
25-33145 - O-ring, (1.984 X .139) [ More info ] Unavailable |
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258M0214923 - O RING Note: Must be ordered in multiples of 5 [ More info ] |
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18-7162-9 - (PK5) O-Ring 25-33145 [ More info ]
$14.99 $14.26 |
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#24 | 46-57234A 1 | BASE ASSEMBLY, Water Pump (1 required per assembly) |
#25 | 26-89238 | SEAL, Oil, WATER PUMP (1 required per assembly) |
#26 | 26-16977 | SEAL, Oil, WATER PUMP (1 required per assembly) |
18-2026 - Seal, 321453 [ More info ]
$15.99 $15.95 |
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#27 | 17-35973 | PIN, Dowel, WATER PUMP (2 required per assembly) |
#28 | 27-85608 1 | GASKET, LOWER - WATER PUMP (1 required per assembly) (Component of Lower Seal Kit 26-33144A2) |
27-85608 1 - Gasket - Priced Individually [ More info ] Unavailable |
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27-8M0090319 - Water Pump Gasket - Priced Individually [ More info ] |
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18-2914-9 - Gasket 27-85608 2-Pack [ More info ]
$5.99 $5.33 |
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#29 | 32435 | FACE PLATE (1 required per assembly) |
32435 - Face Plate - Priced Individually [ More info ] Unavailable |
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32435 1 - Face Plate [ More info ] Unavailable |
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#30 | 27-858524 | GASKET, UPPER - WATER PUMP (1 required per assembly) |
#31 | 46-96148T 1 | BODY ASSEMBLY, Water Pump (1 required per assembly) |
#32 | 48752T | INSERT, WATER PUMP (1 required per assembly) |
48752T - Water Pump Insert - Priced Individually [ More info ] |
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18-3114 - SS Cup, 48752 [ More info ]
$3.19 $2.86 |
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#33 | 26-38970 | SEAL, RUBBER - WATER INLET TUBE (1 required per assembly) |
#34 | 47-89984T 4 | IMPELLER, WATER PUMP (1 required per assembly) |
#35 | 28-56654 | KEY, IMPELLER DRIVE (1 required per assembly) |
28-56654 - Drive Key - Priced Individually [ More info ] Unavailable |
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28-8M0214992 - KEY @5 [ More info ] Unavailable |
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#36 | 10-30720 | SCREW, (.250-20 x 2.25), WATER PUMP TO GEAR HOUSING (1 required per assembly) |
#37 | 12-36001 | WASHER, WATER PUMP SCREW (1 required per assembly) |
#38 | 11-826708 9 | NUT, (.250-28), WATER PUMP STUDS (2 required per assembly) |
18-3722-9 - Lock Nut, 121731, 11-35888, Pack of 5 [ More info ]
$11.99 $6.88 |
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#39 | 11-45592 | NUT, (.312-24), WATER PUMP STUDS (1 required per assembly) |
#40 | 12-29245 | WASHER, (.281 x .500 x .060) Stainless Steel, WATER PUMP STUD (3 required per assembly) |
12-8M0204649 - WASHER Note: Priced Individually [ More info ] |
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#41 | 25-30271 | RING, Rubber, DRIVESHAFT (1 required per assembly) |
25-30271 - Ring - Priced Individually [ More info ] Unavailable |
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#42 | 23-29804T | SLEEVE, GUIDE - WATER INLET TUBE (1 required per assembly) |
#43 | 77481 1 | SHIFT SHAFT, LOWER (1 required per assembly) |
#44 | 53-29641 | E RING, SHIFT SHAFT (1 required per assembly) |
18-4295-9 - Clip, 53-29461, 2PK [ More info ]
$2.59 $2.17 |
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#45 | 12-27880 | WASHER, LOWER SHIFT SHAFT AND CRANK (1 required per assembly) |
12-27880 - Washer, Lower Shift Shaft And Crank [ More info ] |
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#46 | 25-25439 | O-RING, (.862 x .103), SHIFT SHAFT BUSHING (1 required per assembly) |
#47 | 23-30617A 2 | BUSHING ASSEMBLY, SHIFT SHAFT (1 required per assembly) |
#48 | 26-89236 1 | SEAL, Oil, SHIFT SHAFT BUSHING (1 required per assembly) |
#49 | 12-31266 | WASHER, RUBBER - SHIFT SHAFT BUSHING (1 required per assembly) |
#50 | 12-29395 | WASHER, (.390 x 1.00 x .06), SHIFT SHAFT (1 required per assembly) |
#51 | 10-79953Q 2 | SCREW KIT, (.375-16 x .250) Drain (1 required per assembly) |
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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#52 | 12-19183 2 | WASHER, FILL/DRAIN SCREW (1 required per assembly) |
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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