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Craftsman
Lawn & Garden

Model # 91788387 Official Craftsman gearcase

Here are the diagrams and repair parts for Official Craftsman 91788387 gearcase, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 22 parts  |
Lawn & Garden Equipment Bearing 77881
#7

Gearcase diagram

Lawn & garden equipment bearing

Part #77881

Replaced by #532077881

?
Manufacturer substitution
This part replaces 77881. Substitute parts can look different from the original.
$33.31
In Stock
Husqvarna Lawn & Garden Equipment Washer (replaces 532057079, 5320570-79) 57079
#10

Gearcase diagram

Husqvarna lawn & garden equipment washer (replaces 532057079, 5320570-79)

Part #57079

Replaced by #532057079

?
Manufacturer substitution
This part replaces 57079. Substitute parts can look different from the original.
This item is not returnable
$3.40
In Stock
Lock Nut 53838
#1

Gearcase diagram

Lock nut

Part #53838

The manufacturer no longer makes this part, and there's no substitute part

Lawn Tractor Transaxle Wheel Axle Oil Seal 57072
#4

Gearcase diagram

Lawn tractor transaxle wheel axle oil seal

Part #57072

Replaced by #532057072

?
Manufacturer substitution
This part replaces 57072. Substitute parts can look different from the original.
$8.54
In Stock
Clutch Jaw 75424
#15

Gearcase diagram

Clutch jaw

Part #75424

The manufacturer no longer makes this part, and there's no substitute part

Adjustment Bracket 85178
#2

Gearcase diagram

Adjustment bracket

Part #85178

The manufacturer no longer makes this part, and there's no substitute part

Drive Lock Pin 87822
#12

Gearcase diagram

Drive lock pin

Part #87822

The manufacturer no longer makes this part, and there's no substitute part

E-ring STD581050
#17

Gearcase diagram

E-ring

Part #STD581050

The manufacturer no longer makes this part, and there's no substitute part

Square Key 83684
Square key

Part #83684

The manufacturer no longer makes this part, and there's no substitute part

Bolt STD522512
#22

Gearcase diagram

Bolt

Part #STD522512

The manufacturer no longer makes this part, and there's no substitute part

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