OMC Parts Drawing *Cobra *Mercruiser *Alpha SEI Outdrives
- Mercruiser Alpha 1 Gen 2 upper gearcase 1991 - 1997
Alpha One generation 2 upper gearcase years 1991 - 1997
Last updated on 9/26/2023
- GLM Aftermarket Alpha 1 Gen 2 upper gearcase exploded view breakdown drawing
- Compatible with all sterndrive models 1991-1997
- Gear sets, bearings, drive shaft and U-joints
- Mercruiser Alpha One Generation 2 OEM numbers for easy cross reference
Mercruiser Alpha 1 Gen 2 1991 - 1997
Photo
Description / OEM #
Price
(USD)
Price (Canadian)
29000 Driveshaft housing assembly
#1 Driveshaft housing assembly
1547-815930A7
$1105.95
$1459.95
80420 O-ring
#2 O-ring
25-32546
$4.95
$6.95
23260 Shim
#3 Shim for GLM Marine bearing number 21510 bearing.
15-45691A1
$8.95
$11.95
23261 Shim
#3 Shim for GLM Marine bearing number 21511 bearing.
15-32563A1
$5.95
$7.95
21510 Tapered roller bearing assembly
#4 Bearing assembly (O.D. 1-15/16) (1991-95)
31-61100A1
$28.95
$37.95
21511 Tapered roller bearing assembly
#4 Bearing assembly (O.D. 1-25/32) (1996-thru)
31-32575A1
$8.95
$11.95
11131 Mercruiser Alpha 1 Gen 2 Drive shaft
#5 Mercruiser Alpha 1 Gen 2 Drive shaft
45-55796-1
$106.95
$140.95
11210 Gear set
#6 Gear set (1.50/1.47 Ratio)(20-22)
43-18411A2
$444.95
$586.95
11220 Gear set
#6 Gear set (1.65/1.62 Ratio)(24-24)
43-45814A5
$394.95
$520.95
11230 Gear set
#6 Gear set (1.84/1.81 Ratio)(17-19)
43-75325A3
$320.95
$423.95
11240 Mercruiser Alpha 1 Gen 2 Gear set
#6 Gear set (2.40/1.98/1.94 Ratio)(20-24)
43-55778A3
$288.95
$380.95
21540 Roller bearing
#7 Roller bearing (1.62, 1.81, 1.94, 2.00, 2.40 Ratio)
31-35990A1
$30.95
$40.95
21560 Roller bearing
#7 Roller bearing (1.47 Ratio)
31-32573A1
$40.95
$53.95
23270 Shim
#8 Shim
15-36178A1
$9.95
$12.95
85011 Oil seal
#9 Oil seal
26-66302
$8.95
$11.95
28050 U-joint assembly
#10 U-joint assembly (1991-97)
814819A2
$392.95
$518.95
28070 U-joint assembly
#10 U-joint assembly (1998 & up)
25-25439
$501.95
$662.95
81180 O-ring
#11 O-ring
25-25439
$4.95
$6.95
82150 O-ring
#11 O-ring
25-35027
$4.95
$6.95
28315 Yoke - long
#12 Yoke – Long (Internal lock-ring style)
814819A3
$103.95
$136.95
28030 U-joint
#13 U-joint (Internal lock-ring style)
75832T1
$44.95
$58.95
28100 Socket
#14 Socket (Internal lock-ring style)
39383-1
$64.95
$85.95
28310 Yoke
#15 Yoke (1991-97)
46020-1
$60.95
$79.95
28350 Mercruiser Retainer
#16 Mercruiser Retainer
816811-2
$22.95
$29.95
28390 Ring
#17 Ring
35983
$11.95
$15.95
82380 O-ring
#18 O-ring
25-70937
$4.95
$6.95
28370 Alpha 1 Gen 2 Carrier assembly
#19 Alpha 1 Gen 2 Carrier assembly
66081A2
$36.95
$48.95
85030 Oil seal
#20 Oil seal
26-826894
$12.95
$16.95
21520 Mercruiser Roller bearing kit
#21 Mercruiser Roller bearing kit
31-35988A12
$149.95
$189.95
23280 Shim
#22 Shim
15-35980A1
$10.95
$13.95
28380 Spacer
#23 Spacer
15-71013
$4.95
$6.95
28330 Tension washer
24 Tension washer
12-45810
$4.95
$6.95
28360 Lock nut
#25 Lock Nut
11-22339
$4.95
$6.95
22420 Alpha 1 Gen 2 Screw kit
#26 Alpha 1 Gen 2 Screw kit
10-79953Q2
$4.95
$6.95
31170 Washer
#27 Washer
12-19183-2
$4.95
$6.95
28410 Locknut
#28 Locknut
11-817618
$4.95
$6.95
28420 Washer
#29 Washer
12-45176
$4.95
$6.95
28430 Bolt
#30 Bolt
10-816601
$4.95
$6.95
12930 Spring kit
#31 Spring kit
24-17997A1
$4.95
$6.95
12831 Grommet
#32 Grommet
26-88397
$4.95
$6.95
12829 Guide tube
#33 Guide tube
32-8602200
$9.95
$12.95
12711 Anode
#34 Anode
821629Q1
$27.95
$36.95
05009 Lockwasher
#35 Lockwasher
13-78968
$4.95
$6.95
22440 Screw
#36 Screw
10-28668
$4.95
$6.95
28300 Screw
#37 Screw
10-98794
$4.95
$6.95
12965 Plug
#38 Plug
861738
12966 Plug
#39 Plug
19-33297
$4.95
$6.95
28402 Mercruiser Alpha 1 Gen 2 Cover assembly
#40 Mercruiser Alpha 1 Gen 2 Cover assembly
828692A1
$190.95
$251.95
12663 Wear pad
#41 Wear pad – Port
814386
$4.95
$6.95
12664 Wear pad
#42 Wear pad – Starboard
814387
$4.95
$6.95
87501 Gearcase seal kit
#42 Gearcase seal kit
26-88397A1
$25.95
$33.95
39622 Mercruiser Mounting kit
#43 Mercruiser Mounting kit
27-94996T2
$9.95
$12.95