Parts for MerCruiser Alpha One (Gen. II) 1998 & Up Gear Housing (Driveshaft) (Counter Rotation)
Reference numbers in this diagram can be found in a light blue row below — scroll down to order.
# | 26-816575A 3 | SEAL KIT, Gear Housing (AR required per assembly) |
# | 817275A 4 | REBUILD KIT, Water Pump (AR required per assembly) |
817275A 4 - Water Pump Rebuild Kit [ More info ] Unavailable |
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817275Q 4 - Water Pump Rebuild Kit [ More info ] Unavailable |
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18-3147 - Water Pump Kit 817275T4 and 817275Q4 [ More info ] |
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# | 1623-815822A47 | GEAR HOUSING ASSEMBLY, Counter Rotation (COMPLETE) (1 required per assembly) (1.47:1 - 1.62:1 - 1.81:1 - 1.94:1 RATIO) |
1623-815822A47 - Gear Housing Assembly [ More info ] Unavailable |
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90-118-02 - SE116 Lower Unit Mercruiser Alpha One Gen II, Counter Rotation, See Detail Page [ More info ] |
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90-116-02 - SE116 Lower Unit Mercruiser Alpha One Gen II, Std Rotation, See Detail Page [ More info ] |
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# | 26-88397A 1 | SEAL KIT, Driveshaft Housing (AR required per assembly) |
# | 1623-815822A52 | GEAR HOUSING ASSEMBLY, Counter Rotation (COMPLETE) (1 required per assembly) (2.00:1 RATIO) |
1623-815822A52 - Gear Housing Assembly [ More info ] Unavailable |
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#1 | 1623-815822A36 | GEAR HOUSING ASSEMBLY (1 required per assembly) |
#2 | 821526 | FILLER BLOCK (1 required per assembly) |
821526 - Filler Block [ More info ] Unavailable |
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#3 | 17-37972 1 | PIN (1 required per assembly) |
#4 | 16-57984 | STUD, (.437-14/.437-20 x 2.380) (1 required per assembly) |
#4 | 10-806327 | SCREW, (.437-14 x 1.750) (1 required per assembly) |
10-806327 - Screw [ More info ] Unavailable |
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#5 | 22-67892A 1 | FITTING KIT, Magnetic, Plug Fill/Drain (1 required per assembly) |
22-67892A 1 - Drain Plug [ More info ] Unavailable |
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22-67892A05 - Drain Plug Kit [ More info ] Unavailable |
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22-67892A06 - Drain Plug Kit [ More info ] Unavailable |
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22-8M0058389 - Screw Kit - Priced Individually [ More info ] |
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#6 | 12-19183 | WASHER, Fiber (1 required per assembly) |
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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#7 | 26-45577 1 | SEAL (1 required per assembly) |
#8 | 17-43044 | PIN, Dowel - Without Hole (.375 x .625) (2 required per assembly) |
#9 | 31-42647A 1 | BEARING ASSEMBLY, Roller (1 required per assembly) |
#10 | 11-817618 | NUT, (.437-20) (1 required per assembly) |
11-817618 - Nut (7/16-20) [ More info ] Unavailable |
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11-859135 - Nut (7/16-20), Priced Individually [ More info ] |
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#11 | 45-853648 | DRIVESHAFT (1 required per assembly) (1.47:1 AND 1.62:1 RATIO) |
45-853648 - Drive Shaft [ More info ] Unavailable |
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#11 | 45-853647 | DRIVESHAFT (1 required per assembly) (1.81:1 - 1.94:1 AND 2.00:1 RATIO) |
45-853647 - Drive Shaft [ More info ] Unavailable |
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#12 | 15-42637A 1 | SHIM SET (AR required per assembly) |
#13 | 31-33138A 1 | BEARING ASSEMBLY, Tappered Roller (1 required per assembly) |
#14 | 853651 | RETAINER (1 required per assembly) |
#15 | NSS | NOT SOLD SEPARATE, GEAR-Pinion (1 required per assembly) (SEE FORWARD GEAR ASSEMBLY) |
NSS - NOT SOLD SEPARATE [ More info ] Unavailable |
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#16 | 12-92721 | WASHER (1 required per assembly) |
18-2359 - Nut Kit [ More info ]
$5.19 $2.97 |
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#17 | 11-35921 | NUT, (.625-18) (1 required per assembly) |
#18 | 817276 1 | FACEPLATE (1 required per assembly) |
817276 1 - Water Pump Face Plate [ More info ] Unavailable |
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#19 | 821759A 4 | CARRIER ASSEMBLY (1 required per assembly) |
821759A 4 - Carrier Assembly [ More info ] Unavailable |
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807929A 1 - Carrier Assembly [ More info ] Unavailable |
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#20 | 26-66302 | SEAL, Oil (2 required per assembly) SN# 0M400411 & Below |
26-8M0214939 - SEAL @3 [ More info ] Unavailable |
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#20 | 26-864319 | SEAL, Oil (1 required per assembly) SN# 0M400412 & Up |
#21 | 25-90011 | O-RING, (2.175 x .175) (1 required per assembly) |
25-896523 - O-ring, (2.175 X .103) [ More info ] Unavailable |
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#22 | 817275A 1 | PUMP ASSEMBLY, Water (1 required per assembly) |
18-3571 - Water Pump Kit 817275A1 , See Notes on Detail Page [ More info ] |
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#23 | 27-43033 1 | GASKET (1 required per assembly) |
#24 | 27-817277 | GASKET (1 required per assembly) |
27-817277 - Impeller Housing Gasket [ More info ] Unavailable |
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#25 | 26-816575A 2 | SEAL KIT (1 required per assembly) |
#26 | 10-816928 | SCREW, (M6 x 16) (4 required per assembly) |
#27 | 47-43026 2 | IMPELLER (1 required per assembly) |
47-43026 2 - Water Pump Impeller [ More info ] Unavailable |
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#28 | 28-43037 | KEY (1 required per assembly) |
28-43037 - Key [ More info ] Unavailable |
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#29 | 816597A 1 | COUPLING ASSEMBLY (1 required per assembly) |
#30 | 25-21836 | O-RING, (.796 x .139) (2 required per assembly) |
#31 | 23-816583 | SLEEVE (1 required per assembly) |
#32 | 815919A 1 | SHIFT SHAFT, Lower (1 required per assembly) |
815919A 1 - Shaft Kit - Shift [ More info ] Unavailable |
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#33 | 53-29641 | E RING (1 required per assembly) |
18-4295-9 - Clip, 53-29461, 2PK [ More info ]
$2.59 $2.17 |
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#34 | 12-77674 | WASHER (1 required per assembly) |
18-2316-9 - Washer, 12-77674, 5PK [ More info ]
$4.69 $3.94 |
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#35 | 23-815921A13 | BUSHING ASSEMBLY (1 required per assembly) |
23-815921A13 - BUSHING ASSY [ More info ] Unavailable |
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#36 | 26-89236 | SEAL, Oil (1 required per assembly) |
#37 | 25-36318 | O-RING, (.799) (2 required per assembly) |
25-8M0214927 - O RING @5 [ More info ] Unavailable |
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18-7440-1-9 - O-Ring (PK2) [ More info ]
$3.99 $3.37 |
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#38 | 25-62702 | O-RING, (.301 x .070) (1 required per assembly) |
25-62702 - O-ring, (.301 X .070) [ More info ] Unavailable |
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