Mercruiser Alpha 1 parts with upper gearcase drawing

GLM Marine aftermarket Mercruiser Alpha One upper gearcase stern drive parts. Printer friendly comprehensive exploded outdrive tech drawings.

All GLM products are completely compatible and interchangeable with Mercruiser Alpha One parts
GLM has committed to producing high quality and cost effective aftermarket Alpha One for the past two decades
If help is required, contact our service tech for advice troubleshooting your Alpha One stern drive unit at (416) 751-7326

GLM marine aftermarket Mercruiser parts

Mercruiser Alpha One upper gearcase

Picture

#

Description

Add to cart

87500 Seal kit parts

A

# 87500 GLM Marine aftermarket Mercruiser parts seal kit for use with Alpha one upper gearcase units.

$26.09

T 19000 Upper gearcase.jpg

19000 Upper gearcase

1a

# 19000 Empty drive shaft housing OEM # 1547-9412A18

$589.29

1c

# 19100 Alpha one upper gear case assembly 20-22 gears

1.5 ratio assembly (new)

OEM # 1547-9412A20

$1095.09

upper gear case assembly 20-22

1d

# 19100 Used Alpha one upper gear case assembly 20-22 gears 1.5 ratio assembly

28400 Cover bearing assembly

2

# 28400 Top cover assembly

OEM # 94998A4 Top comes with bearing # 21511,

shim kit # 23261 and 4 bolts

$83.89

80420 Alpha 1 o-ring

3a

# 80420 Top cover O-rings (1 included in seal kit)

$4.89

23260 Shim kit

4a

# 23260 Shim kit for (# 21510 bearing) OEM # 15-45691A1

$5.89

23261 Shim kit

4b

# 23261 Shims for (# 21511 bearing) OEM # 15-32563A1

$4.89

Note 2 bearing sizes that can fit top cover

21510 Bearing for 1 - 15/16

5

# 21510 Bearing assembly O.D. 1-15/16" OEM # 31-61100A1

$27.09

Note 2 bearing sizes that can fit top cover

21511 Bearing cover 1 - 25/32

5

# 21511 Roller bearing assembly O.D. 1-25/32"
OEM # 31-32575A1

$17.09

11130 Alpha 1 upper drive shaft

6

# 11130 Upper drive shaft

OEM# 45-55796

$75.89

7

# 81190 Drive shaft o-ring (5 units) (Included in seal kit)

$9.89

11210 Alpha One gear set V8 22/20 gear ratio

8a

# 11210 V8 heavy duty 20/22 gear set (1.50 / 1.47 Ratio) with HD bearing # 21560 included OEM # 43-18411A2

$260.09

11220 Gear set 24/24 1970 -1997 6 cyl.

8b

# 11220 6 Cyl. inline gear set (1.65 or 1.62 Ratio) 24-24 years 1970 to 1997 OEM # 43-45814A5

$216.09

11230 Gear set ratio 17/19 V6 470-485

8c

# 11230 V6 and 470/485 model gear set (1.84 or 1.81 Ratio) 17-19 OEM # 43-75325A3

$212.09

11240 Gear set 20/24 ratio 1.98 4 cylinder

8d

# 11240 4 Cylinder inline 20/24 gear set (1.98 or 1.94 Ratio) OEM # 43-55778A3

$209.09

21560 Bearing for 1.50 gear ratio

9a

# 21560 Roller bearing assembly(1.50 ratio)

OEM# 31-32573A1

$31.89

21540 Bearing 1.65 1.84 1.98 gear ratio

9b

# 21540 Roller bearing (1.65, 1.84, 1.98 Ratio)

OEM# 31-35990A1

$34.09

9c

# 21550 Roller bearing (1.32 Ratio) OEM # 31-66818A1

$66.89

23270 Driven gear bearing shim

10

# 23270 Shims OEM # 15-36178A1

$5.89

11

# 85020 Oil seal

(Included in seal kit)

$11.89

12

# 85060 Oil seal

(Included in seal kit)

$9.89

13

# 81180 O-rings for long yoke (5 units) (Included in seal kit)

$4.89

14

# 28050 U-joint assembly

OEM# 814819A2

$405.89

28315 Drive shaft yoke

15

# 28315 Long yoke

OEM # 814819A3

MR and Alpha one outdrive

$100.89

28030 U joint

16a

# 28030 Heavy duty rockwell U-Joint OEM # 75832T-1

$45.89

28100 socket

17

# 28100 Socket for yoke

$42.09

28310 Yoke shaft

18

# 28310 Yoke

OEM# 46020-1

$58.89

28350 Bearing retainer nut

19

# 28350 Retainer OEM # 816811-1

$18.89

28390 Ring

20

# 28390 Upper gearcase ring

$8.89

21

# 82380 O-ring

(Included in seal kit)

28370 Bearing carrier assembly

22

# 28370 Bearing carrier assembly OEM # 66081A2

$37.89

TM 85030 Alpha 1 oil seal

85030 Oil seal

23

# 85030 Oil seal - yoke

$15.89

21520 Bearing set

24a

# 21520 Roller bearing (All Ratio except 1.32) OEM # 31-35988A2

$107.89

23280 Shim kit

25

# 23280 Double bearing shims (6 units) OEM # 15-35980A1

$7.89

28380 Spacer

26

# 28380 Spacer OEM # 15-71013

2 units

$5.89

28330 Tension washer

27

# 28330 Tension washer OEM # 12-45810

$4.89

28360 Nut

28

# 28360 Lock nut

OEM# 11-22339

$4.89

29

# 21731 Magnetic drain screw

$5.89

30

# 31170 Washer

(Included in seal kit)

28300 screw

31

# 28300 Cover screw OEM # 10-98794

$4.89

21890 Plug

32

# 21890 Plug OEM # 19-47579

$4.89

21170 lock nuts

33

# 21170 Lock nuts (5 units) OEM # 11-13439-1

$9.89

31150 gasket

34

# 31150 Gasket (5 units) for water cover pocket (Included in seal kit)

$9.89

22440 Screw

35

# 22440 water pocket screw OEM # 10-28668

$4.89

12200 Water pump passage kit

36

# 12200 Water pocket cover kit OEM # 42724A3

$21.89

21423 Bushing

37

# 21423 Bushing

OEM# 23-32632

$14.89

38

Grommet

12202 Water pump tube

39

# 12202 Water pump tube OEM # 32-54236

$7.89

22031 Welch plug 1.250 inch

40

# 22031 Welch plug (1-1/4"O.D.) OEM # 19-42682

$4.89

22032 Pipe plug

41

# 22032 Pipe plug OEM # 22-42861-1 plug

$4.89

41

# 39622 Bell housing gasket kit OEM # 27-94996Q2

$7.89