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Craftsman
Engine & Drivetrain

Model # 13177921 Official Craftsman gearcase

Here are the diagrams and repair parts for Official Craftsman 13177921 gearcase, as well as links to manuals and error code tables, if available.

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Error Codes

Model diagram and schematic

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ALL PARTS
Showing 10 of 24 parts  |
Lawn & Garden Equipment Bearing 77881
#7

Gear case assembly 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
Lawn Tractor Transaxle Wheel Axle Oil Seal 57072
#6

Gear case assembly 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
Key 74969
#19

Gear case assembly diagram

Key

Part #74969

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

Seal 81337
#2

Gear case assembly diagram

Seal

Part #81337

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

Worm 76344
#24

Gear case assembly diagram

Worm

Part #76344

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

Bracket 75830
#20

Gear case assembly diagram

Bracket

Part #75830

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

Worm Shaft 76345
#22

Gear case assembly diagram

Worm shaft

Part #76345

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

Bracket 77039
#10

Gear case assembly diagram

Bracket

Part #77039

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

Gear 75423
#14

Gear case assembly diagram

Gear

Part #75423

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

E-ring STD581050
#16

Gear case assembly diagram

E-ring

Part #STD581050

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

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