Craftsman
Snowblower

Model # 91781900 Official Craftsman 15" snow thrower

Here are the diagrams and repair parts for Official Craftsman 91781900 15" snow thrower, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 39 parts  |

Lock Washer 10040500
#6

Replacement parts diagram

Lock washer

Part #10040500

Replaced by #596238801

?
Manufacturer substitution
This part replaces 10040500. Substitute parts can look different from the original.
This item is not returnable
In Stock
Nut 319H
#13

Replacement parts diagram

Nut

Part #319H

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

Hex Bolt 04760412
#29

Replacement parts diagram

Hex bolt

Part #04760412

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

Nut 347H
#11

Replacement parts diagram

Nut

Part #347H

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

Washer 19070818
#9

Replacement parts diagram

Washer

Part #19070818

Replaced by #819070818

?
Manufacturer substitution
This part replaces 19070818. Substitute parts can look different from the original.
In Stock
Washer 10040400
#35

Replacement parts diagram

Washer

Part #10040400

Replaced by #596029801

?
Manufacturer substitution
This part replaces 10040400. Substitute parts can look different from the original.
This item is not returnable
In Stock
Cap Screw 17390512
#14

Replacement parts diagram

Cap screw

Part #17390512

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

Washer 09111613
#16

Replacement parts diagram

Washer

Part #09111613

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

Washer 19111116
#36

Replacement parts diagram

Washer

Part #19111116

Replaced by #596204101

?
Manufacturer substitution
This part replaces 19111116. Substitute parts can look different from the original.
This item is not returnable
In Stock
Drive Sprocket 4276H
#31

Replacement parts diagram

Drive sprocket

Part #4276H

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

Effective articles & videos to help repair your snowblowers

How to make your snowblower last longer

How to make your snowblower last longer

Learn the steps to take to adjust and maintain your snowblower so it lasts longer.…

Introducing new technical repair content that we’re developing for the Sears Technical Institute

Introducing new technical repair content that we’re developing for the Sears Technical Institute

Learn about Sears Technical Institute and the advanced technical content being developed for aspiring appliance techs.…

Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…