Alpha 1 stern drive parts / Outdrive drawings

Mercruiser Alpha 1 repair tools

T.C.Electronics / Marine home page
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 repair tools for Mercruiser Alpha 1 stern drive

  • Bearing race seal driver
  • Bearing carrier tools
  • Prop shaft adaptor
  • Retainer wrench
  • Pinion nut adaptor
  • Driven and drive gear shimming tool
  • Pinion gear shimming tool
  • Bearing installation tool
  • Lower unit oil pump
  • Puller rod
  • Drive shaft tools and adaptors
  • Shift shaft bushing tool
  • Shift cable bushing
  • Prop wrench kits
  • Engine alignment tool
  • For other tools, see our MerCruiser repair tools page

T 90095 Alpha 1 bearing carrier puller.jpg
90095 Alpha 1 bearing carrier puller
T 90095 Alpha 1 bearing carrier puller 2.jpg
90095 Alpha 1 bearing carrier puller 2
GLM Marine aftermarket parts prop and bearing carrier puller. This tool is used for the Mercruiser Alpha 1 stern drive old and new style bearing carriers and most prop. Minimum capacity is 5 tons.

#90095 Bearing carrier puller
$75.79

T YF 6312 Alpha 1 outdrive bearing race seal driver.jpg
6312 Alpha 1 outdrive bearing race seal driver
Bearing race and seal driver set, makes it easier to insert bearing race and seals without damaging race and surrounding housing. This set includes 9 drivers to fit most standard bearings and comes in a moulded storage case.

YF 6312 Outdrive seal driver
$79.79

T 90190 Alpha One tool carrier retainer wrench.jpg
90190 Alpha One tool carrier retainer wrench
GLM Marine bearing carrier retainer wrench, removes and installs bearing carrier retainer nuts on the Mercrusier Alpha 1 stern drive. OEM# 91-61069T

#90190 Carrier retainer wrench $76.79

T 90230 Alpha 1 prop shaft adaptor.jpg
Alpha 1 prop shaft adaptor
tool, provides a wrench surface to turn the propeller shaft on MC-1/MR/Alpha 1/Alpha 1 Generation 2 units.

# 90230 Prop shaft adaptor $31.79

T 90065 Alpha 1 Propeller wrench kit.jpg
90065 Alpha 1 Propeller wrench kit
Prop wrench kit. 1-1/16" with prop nut and 2 tab washers. Works with Mercruiser/Alpha 1/Alpha 1 Generation 2, Mercury, Mariner. Force V4 & V6.
OEM Mercury: 91-82818871 Honda: 89-89206-ZW7-000AH

#90065 Prop wrench kit $12.79

T 90100 Alpha 1 bearing retainer wrench.jpg
90100 Alpha 1 bearing retainer wrench
Bearing retainer wrench, installs and removes drive shaft bearing retainer on the MC-1/MR/Alpha 1/Alpha 1 Generation 2 drives. OEM# 91-17256

#90100 Bearing retainer wrench $67.79

T 90210 Alpha 1 drive shaft pinion nut adaptor.jpg
90210 Alpha 1 drive shaft pinion nut adaptor
T 90210 pinion nut adaptor kit 2.jpg
90210 Pinion nut adaptor kit 2
T 90210 Alpha 1 pinion nut holder.jpg
90210 Alpha 1 pinion nut holder
Holds pinion nut when removing the pinion gear and drive shaft on the Mercruiser Alpha 1 stern drive.
OEM # 91-61067A3
Note above kit includes
# 90220 drive shaft adaptor.

#90210 Pinion nut adaptor kit $147.79

T 90180 drive gear shimming tool.jpg
90180 drive gear shimming tool
Driven gear shimming tool. Used to measure the upper driven gear clearance on MC-1/R/MR/Alpha 1/Alpha 1 Generation 2 stern drives. OEM# 91-60526T

#90180 Driven gear shimming tool
 
$86.79

T 90160 Alpha 1 pinion gear shimming tool.jpg
90160 Alpha 1 pinion gear shimming tool
Pinion gear shimming tool. Measures the pinion height of MC-1/MR/Alpha 1/Alpha 1 Generation 2 stern drives. OEM# 91-56048T

#90160 Pinion gear shimming tool
$167.79

T 90260 Alpha 1 bearing installation tool.jpg
90260 Alpha 1 bearing installation tool
GLM Marine parts pinion bearing installation tool. New tool design provides a more precise fit to the pinion bearing (paper cone must be removed) to avoid crooked seating of the bearing that can cause gears to break or make noise. Outer diameter of top part of the tool is 1.1250" with a tolerance of +/-0.0010. OEM# 91-38628T

#90260 Pinion bearing installation tool $21.79

T Alpha 1 lower unit oil pump.jpg
Alpha 1 lower unit oil pump
Lower unit oil pump for quart bottle, with 4cc pump and 3/8" - 16 swivel metal marine fitting. Flexible hose for hard to reach plugs, and adaptor that fits Mercruiser, Alpha 1, Alpha 1 Generation 2, OMC, Evinrude / Johnson, OMC and Volvo stern drive units.

#401-11245-1 Oil pump
$9.79

W 90280 Alpha 1 puller rod.jpg
90280 Alpha 1 puller rod
Puller rod. Used with #90260 pinion bearing installation tool and #90270 driver head tools to install and remove pinion bearing. OEM# 91-31229

#90280 Puller rod
$15.79

W QM50A 5 minute epoxy.jpg
QM50A 5 minute epoxy
   
T 90220 Alpha 1 drive shaft adaptor.jpg
90220 Alpha 1 drive shaft adaptor
Drive shaft adaptor, provides a wrench surface to turn the drive shaft on MC-1/R/MR/Alpha 1/Alpha 1 Generation 2 stern drive units. OEM# 91-56775T

#90220 Drive shaft adaptor $27.79

T 90170 Alpha 1 drive gear shimming tool.jpg
90170 Alpha 1 drive gear shimming tool
Drive gear shimming tool. Measures upper drive gear clearance on MC-1/R/MR/Alpha 1/Alpha 1 Generation 2 upper units. OEM# 91-60523

#90170 Drive gear shimming tool $55.79

T 90240 Alpha 1 retainer wrench.jpg
90240 Alpha 1 retainer wrench
Drive shaft bearing retainer wrench, removes and installs threaded bearing retainer on MR/Alpha 1/Alpha 1 Generation 2 stern drives. OEM# 91-43506

#90240 Drive shaft bearing retainer wrench
$32.79

T 90140 Alpha 1 shift shaft bushing tool.jpg
90140 Alpha 1 shift shaft bushing tool
Shift shaft bushing tool removes and installs the shift shaft bushing in the MC-1/R/MR/Alpha 1/Alpha 1 Generation 2 gear case. OEM# 91-31107T

#90140 Shift shaft bushing tool
$17.79

T 90200 Alpha 1 hinge pin tool.jpg
90200 Alpha 1 hinge pin tool
Hinge pin tool. Used to remove and install hinge pins from Mercruiser stern drives. OEM# 91-78310

# 90200 Hinge pin tool
$16.79

T 90295 Alpha 1 removal installation tool.jpg
90295 Alpha 1 removal installation tool
Pinion bearing removal and installation tool assembly. This assembly installs and removes the pinion bearing on MC-1/R/MR/Alpha 1/Alpha 1 Generation 2 stern drive units. Assembly includes: #90260 pinion bearing installation tool, #90270 driver head,  #90280 puller rod and #90290 spacer.

#90295 Pinion bearing tool assembly
$66.79

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