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  |

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
In Stock
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.
In Stock
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.
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

Lawn Mower Transmission Case Plug 86447
#13

Gearcase diagram

Lawn mower transmission case plug

Part #86447

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

Shaft Kit 79946
#9

Gearcase diagram

Shaft kit

Part #79946

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

Grease 750355
#16

Gearcase diagram

Grease

Part #750355

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

Tag 88449
#23

Gearcase diagram

Tag

Part #88449

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

Most common symptoms to help you fix your washers

Choose a symptom to see related washer repairs.

Main causes: clogged drain hose, house drain clogged, bad drain pump, water-level pressure switch failure, bad control b…

Main causes: worn agitator dogs, bad clutch, broken motor coupler, shifter assembly failure, broken door lock, suspensio…

Main causes: bad lid switch or door lock, bad timer or electronic control board, wiring failure, bad water inlet valve a…

Main causes: broken lid switch or lid lock, bad pressure switch, broken shifter assembly, faulty control system…

Main causes: unbalanced load, loose spanner nut, worn drive block, broken shock absorber or suspension spring, debris in…

Main causes: no water supply, bad water valves, water-level pressure switch failure, control system failure, bad door lo…

Main causes: lack of electrical power, wiring failure, bad power cord, electronic control board failure, bad user interf…

Main causes: leaky water inlet valve, faulty water-level pressure switch, bad electronic control board…

Main causes: water heater failure, bad water temperature switch, faulty control board, bad water valve, faulty water tem…

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