Alpha 1 stern drive parts / Outdrive drawings

Alpha One bell housing parts & drawing

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Aluminum propellers
Alpha 1 parts exploded upper gearcase drawing
Upper gearcase faster loading tech drawing
Alpha 1 parts exploded lower gearcase drawing
Lower unit gearcase complete
1984 thru 1990 replacement lower unit gearcase
1984 thru 1990 replacement upper unit gearcase assembly
Outdrive repair cost
Alpha bell housing parts & drawing
Alpha shift cable and transom parts
Alpha 1 Gimbal housing drawing
Alpha One used parts
Anode
Bearings (upper gearcase)
Bearing retainer nut
Bearing retainer tool
Ball bearing used in lower gearcase
Bearing seals gears lower gearcase
Bearings seals & shims for lower gearcase
Bearing carrier seal upper gearcase
Bearing carrier lower gearcase
Bushing
Carrier assembly
Cover nut
Clip
Clutch dog
Cluch dog spring
Cover assembly
Cross Pin
Drain screw
Drive shaft (upper gearcase)
Drive shaft pinion bearing
Drive shafts
Exhaust bellow
Forward & pinion gears
Forward gear shims
Gasket for wear plate
Gasket for water pocket
Gasket (lower)
Gears bearings shims seals upper gearcase
Gimbal bearing
Impeller
Keys
Insert (port)
Insert (starboard)
Lock nut
Lockwasher
Lock nut (upper)
Lower gear housing (empty)
Magnesium anodess
Nut assembly
Oil pump for lower unit
Oil seal (lower)
Oil seal water pump
Oil seal for yoke
O-ring (lower)
O-ring (lower)
Outdrive gasket kit
Pinion nut
Plug
Pipe plug
Propeller Hardware
Propeller or prop shaft
Prop Nut
Retainer nut
Retainer (lower)
Ring (upper)
Roller bearing from lower gearcase
Reverse gear
Screw wear plate cover
Screw for top cover
Seal kit upper gearcase
Seal kit lower gearcase
Seal (lower)
Shims (upper)
Shift cable assemblies
Shift shaft
Shift Spool
Shims lower gearcase
Shims (forward gear)
Shims upper gearcase
Shift crank
Screw water pocket
Socket
Spacer for bearing
Tools
Trim cylinders with parts layout
Trim cylinder hoses & drawing
Transom service kit
Tapered bearings for lower gearcase
Trim Cylinder hose drawing
Trim cylinder parts hoses drawing
Tab washer
Tab Washer
Thrust Hub
Thrust Ring
Trim cylinder application chart
Trim cylinder components
Tube guide
Used Alpha One upper units
Upper gearcase housing (empty)
U-joint
U-joint bellow
Washer (lower)
Water pocket cover kit
Water pump
Water pump housing
Water pump base
Water pump tube
Washer tension for drive gear
Washer set
Washer gaskets
Wear plate (lower)
Welch plug
Yoke (drive shaft)
Yoke (short shaft)
Alpha 1 shift cable assembly
Drive shaft adaptor
Drive gear shimming tool
Shift bushing
Washer set (lower)
Washer clip (lower)
Seal for oil passage
GLM Marine aftermarket Mercruiser Alpha One bell housing parts. Printer friendly tech drawings.

  • Stern drive exhaust / U-joint bellow kits
  • Bushings, shift arms, gaskets, oil seals and clamps
  • Bell housing gasket and o-ring kits
  • Water hoses, clamps and o-rings
  • Mercruiser Alpha one stern drive transom service kits
O Mercruiser Alpha One bell housing layout.jpg
Mercruiser Alpha One bell housing layout

Click below for larger picture
Ref.
#
Item description
 
21951 Mercruiser transom service kit s
21951 Mercruiser transom service kit s
A
 # 21951
Alpha one serial number 6225577 and up for units 1983 thru 1990 with straight exhaust bellow transom service kit
  • 89050 U-Joint bellow
  • 89150 exhaust tube
  • 89080 shift bellow
  • 39622 gasket kit
  • 21900 gimbal bearing
  • 47110 water hose 3/4"
  • 47120 water hose 5/8"

   $173.79

21950 Alpha One transom service kit s
21950 Alpha One transom service kit
B
# 21950
Alpha One outdrives serial number # 6225577 and up transom service kit with exhaust bellow 1983 thru 1990

   $162.79

89050 U Joint Bellow s
89050 U Joint Bellow
1
# 89050
U-Joint bellow kit for R / MR
OEM # 60932A4

   $47.79

89180 u-joint bellow s
89180 u-joint bellow
1A

# 89180
U-joint bellow for Alpha Generation 2 with clamps OEM # 816431A1

   $69.79

89100-Mercruiser-Exhaust-Bellow-s.jpg
89100 Mercruiser Exhaust Bellow
2
# 89100 Exhaust bellow kit OEM # 18654A1

   $28.79

21140 shift arm
21140 shift arm
3
#21140
Shift arm
OEM# 45518A3

   $20.79

21750 set screw
21750 set screw
4
#21750
Set screw
OEM# 10-45590

  $4.79

30040 gasket
30040 gasket
5
#30040
Gasket (3 units)
OEM# 12-39116

  $4.79

87561 bushing seal kit
87561 bushing seal kit
6A
#87561
Bushing kit for R / MR / Alpha One Generation ll
serial # F094774 and bellow
OEM# 23-805041A2

  $27.79

87562 shift shaft bushing
87562 shift shaft bushing
6B
#87562
Bushing kit for Alpha One Generation ll
serial # F094775 and up
OEM# 23-806036A1

  $12.79

85581 oil seal
85581 oil seal
7
#85581
Oil seal
OEM# 26-816464-1

  $7.79

21420 upper shift shaft
21420 upper shift shaft
8
#21420
Upper shift shaft
OEM# 45589A3

  $48.79

21421 intermediate shift shaft
21421 intermediate shift shaft
9
#21421
Inter.shift shaft
OEM# 62104-1

  $35.79

21422 washer
21422 washer
10
#21422
Washer
OEM# 12-32666

  $4.79

22100 cotter pins
22100 cotter pins
11
#22100
Cotter pin (10 units)
OEM# 18-32665

  $17.79

 
12A
#89181
Sleeve for Alpha 1 Gen ll
OEM# 816607

  $13.79

89141 bravo sleeve all
89141 bravo sleeve all units
12B
#89141
Sleeve for all Bravo
OEM# 86814

  $14.79

 
13
#82200
O-Ring (5 units)
OEM# 25-33504

  $9.79

 
14
#31160
Gasket (5 units)
OEM# 27-35982

  $13.79

39622 MR Alpha one Alpha one generation II
39622 MR, Alpha one and Alpha one generation II
15A
# 39622 Bell housing gasket kit for Alpha Gen 2 OEM # 27-94996A2

  $6.79

39590 Bell housing gasket kit s
39590 Bell housing gasket kit
15B
#39590
Bell housing gasket kit for # 1
OEM# 27-64818A4

  $5.79

01070 hose clamp
01070 hose clamp
16
#01070
Clamp 
OEM# 54-815504348

  $9.79

 
17
#01100
Clamp 
OEM# 54-815504372

  $6.79

 
18
#89440
Grounding clip
OEM# 54-86049

  $4.79

47110 Water Hose .750
47110 Water Hose .750
19A
# 47110 
 Water hose  3/4 " ID use with
 R / MR / Alpha / Generation II
OEM# 32-41725-33

  $8.79

47120 Water Hose .625
47120 Water hose .625 or 5/8" ID
19B
#47120
Water hose 5/8" ID
use with 120 to 260 / R / MR
OEM# 32-32461

  $8.79

01073 hose clamp
01073 hose clamp
20
#01073
Clamp
OEM# 54-81554412

  $4.79

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