Mercruiser Alpha 1 Gen 2 outdrive parts *Upper Lower gearcase

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Mercruiser Alpha 1 Gen 2 upper gearcase 1991 - 1997

Alpha One generation 2 upper gearcase years 1991 - 1997

  • 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 One Gen 2 upper 1991-1997
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
80420 O-ring

#2 O-ring

25-32546

$4.95

$6.95

23260 Shim
23260 Shim
#3 Shim for GLM Marine bearing number 21510 bearing.

15-45691A1

$8.95

$11.95

23261 Shim
23261 Shim
#3 Shim for GLM Marine bearing number 21511 bearing.

15-32563A1

$5.95

$7.95

21510 Tapered roller bearing assembly
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
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
11131 Mercruiser Alpha 1 Gen 2 Drive shaft

#5 Mercruiser Alpha 1 Gen 2 Drive shaft

45-55796-1

$106.95

$140.95

11210 Heavy duty gear set
11210 Gear set

#6 Gear set (1.50/1.47 Ratio)(20-22)

43-18411A2

$444.95

$586.95

11220 Gear set
11220 Gear set

#6 Gear set (1.65/1.62 Ratio)(24-24)

43-45814A5

$394.95

$520.95

11230 Gear set
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
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
21540 Roller bearing

#7 Roller bearing (1.62, 1.81, 1.94, 2.40 Ratio)

31-359900A1

$30.95

$40.95

21560 Roller bearing
21560 Roller bearing

#7 Roller bearing (1.47 Ratio)

31-32573A1

$40.95

$53.95

23270 Shim
23270 Shim

#8 Shim

15-36178A1

$9.95

$12.95

85011 Oil seal
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
81180 O-ring
#11 O-ring

25-35027

$4.95

$6.95

82150 O-ring
82150 O-ring
#11 O-ring

814819A3

$4.95

$6.95

28315 Yoke assembly
28315 Yoke - long
#12 Yoke - Long (Internal lock-ring style)

75832T1

$103.95

$136.95

28030 U-joint
28030 U-joint
#13 U-joint (Internal lock-ring style)

805536A2

$44.95

$58.95

28100 Socket
28100 Socket
#14 Socket (Internal lock-ring style)

39383-1

$64.95

$85.95

28310 Yoke
28310 Yoke
#15 Yoke (1991-97)

46020-1

$60.95

$79.95

28350 Mercruiser Retainer
28350 Mercruiser Retainer
#16 Mercruiser Retainer

81611-2

$22.95

$29.95

28390 Ring
28390 Ring
#17 Ring

35983

$11.95

$15.95

82380 O-ring
82380 O-ring
#18 O-ring

25-70937

$4.95

$6.95

28370 Alpha 1 Gen 2 Carrier Assembly
28370 Alpha 1 Gen 2 Carrier assembly
#19 Alpha 1 Gen 2 Carrier assembly

66081A2

$36.95

$48.95

85030 Oil seal
85030 Oil seal
#20 Oil seal

26-826894

$12.95

$16.95

21520 Mercruiser Roller bearing kit
21520 Mercruiser Roller bearing kit
#21 Mercruiser Roller bearing kit

31-35988A12

$117.95

$155.95

23280 Shim
23280 Shim
#22 Shim

15-35980A1

$10.95

$13.95

28380 Spacer
28380 Spacer
#23 Spacer

15-71013

$4.95

$6.95

28330 Tension washer
28330 Tension washer
#24 Tension washer

12-45810

$4.95

$6.95

28360 Lock nut
28360 Lock nut
#25 Lock Nut

11-22339

$4.95

$6.95

22420 Alpha 1 Gen 2 Screw kit
22420 Alpha 1 Gen 2 Screw kit
#26 Alpha 1 Gen 2 Screw kit

10-79953Q2

$4.95

$6.95

31170 Washer
31170 Washer

#27 Washer

12-19183-2

$4.95

$6.95

28410 Locknut
28410 Locknut

#28 Locknut

11-817618

$4.95

$6.95

28420 Washer
28420 Washer

#29 Washer

12-45176

$4.95

$6.95

28430 Bolt

#30 Bolt

10-816601

$4.95

$6.95

12930 Spring kit
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
12829 Guide tube

#33 Guide tube

32-860220

$9.95

$12.95

12711 Anode
12711 Anode

#34 Anode

821629Q1

$27.95

$36.95

05009 Lockwasher
05009 Lockwasher

#35 Lockwasher

13-78968

$4.95

$6.95

22440 Screw
22440 Screw

#36 Screw

10-28668

$4.95

$6.95

28300 Screw
28300 Screw

#37 Screw

10-98794

$4.95

$6.95

12965 Plug

#38 Plug

861738

   
12966 Plug

#39 Plug

19-32297

$4.95

$6.95

28402 Mercruiser alpha 1 gen Cover assembly

28402 Mercruiser Alpha 1 Gen 2 Cover assembly

#40 Mercruiser Alpha 1 Gen 2 Cover assembly

828692Q1

$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
87501 Gearcase seal kit

#42 Gearcase seal kit

26-88397A1

$25.95

$33.95

39622 Mercruiser Mounting kit
39622 Mercruiser Mounting kit

#43 Mercruiser Mounting kit

27-94996T2

$9.95

$12.95