Mercruiser Alpha 1 generation 2 parts

Alpha 1 generation 2 bearing for driven gear
T.C.Electronics / Marine home page
1991 thru 1995 replacement lower unit
1991 and up replacement upper unit gearcase assembly
Aluminum propellers
Alpha generation 2 bell housing parts drawing
Alpha generation 2 upper gearcase parts photo and tech drawing
Alpha generation 2 lower gearcase parts photo and tech drawing
Anode lower gearcase
Anode upper gearcase
Bearings (lower)
Bearings (upper)
Bearing driven gear
Bearing drive gear
Bolt
Carrier assembly
Bearing cover 1-15/16"
Bearing cover 1-25/32"
Bearing retainer nut upper gearcase
Bearing (dr. shaft)
Bearing carrier (lower gearcase)
Bearing seal kits (lower)
Bearing carrier puller tool
Bell housing layout components Mercruiser / Bravo
Clutch dog
Clutch dog spring
Coupler (engine)
Cover nut (lower)
Drain screw
Drain screw (upper)
Drain screw gaskets (upper)
Drive shaft (upper gearcase)
Drive shaft (lower gearcase)
Exhaust bellow
Forward shim kit
Fuel filter water separator
Gimbal bearing
Gimbal housing component drawing
Gears / gear set (upper gearcase)
Gear sets with bearings and shims (lower)
Guide tube
Impeller
Impeller keys
Lock nuts (lower)
Locknut
Lock nut (upper)
Lock washers
Magnesium anodes
Oil seal yoke shaft
Pinion nut
Propeller shaft
Propeller hardware
Ring
Screw
Seal kit (upper)
Seal kit (lower)
Bell housing components
Shim kits
Transom plate / shift cable
Socket
Spacer
Spring kit
Tension washer
top-cover-bearing assembly
Transom service kit
Trim cylinder repair components layout
Tools
Trim cylinder repair parts
U-joint bellow
Water Hose
U-joint
Used parts upper gearcase
Used parts lower gearcase
Washer (upper)
Water pump
Yoke smaller type 1991 thru 1997
Yoke smaller type 1998 and up
Yoke longer type engine drive shaft
Oil pump (filling)
Mercruiser Alpha 1 ( one ) generation 2 ( II ) outdrive bearing for upper gearcase driven gear
  • OEM number 31-359900A1
  • GLM #21540 Alpha 1 Generation 2 bearing for driven gear
  • Sierra #18-1161
  • For gear ratios of 1.62, 1.81, 1.94 and 2.40
  • For other parts, see our upper gearcase drawing page
W 21540 Alpha 1 Gen. 2 bearing 1.65 1.84 1.98 gear ratio.jpg
# 21540 Alpha 1 Generation 2 bearing 1.65 1.84 and 1.98 gear ratio

# 21540 $34.29
OEM# 31-35990A1 983891
 

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