Craftsman
Snowblower

Model # 91781920 Official Craftsman 18" snow blower

Here are the diagrams and repair parts for Official Craftsman 91781920 18" snow blower, 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 104 parts  |

Spring 4613H
#42

Replacement parts diagram

Spring

Part #4613H

Replaced by #532003146

?
Manufacturer substitution
This part replaces 4613H. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$3.98
20% OFF Phone Price : $4.98
In Stock
Lock Washer 10040500
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
Lock Washer 10071000
#39A

Replacement parts diagram

Lock washer

Part #10071000

Replaced by #810071000

?
Manufacturer substitution
This part replaces 10071000. Substitute parts can look different from the original.
This item is not returnable
In Stock
Washer 17/64 19091216
#40

Replacement parts diagram

Washer 17/64

Part #19091216

Replaced by #596204201

?
Manufacturer substitution
This part replaces 19091216. Substitute parts can look different from the original.
This item is not returnable
In Stock
Washer 10040400
#6

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
Washer 19131316
#18

Replacement parts diagram

Washer

Part #19131316

Replaced by #819131316

?
Manufacturer substitution
This part replaces 19131316. Substitute parts can look different from the original.
This item is not returnable
In Stock
Washer 19111116
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 With Bearings 616A63
#30

Drive assembly diagram

Drive sprocket with bearings

Part #616A63

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

Deflector (hood) 4590H
#1

Replacement parts diagram

Deflector (hood)

Part #4590H

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

Sup W/brng 616A66
#11

Drive assembly diagram

Sup w/brng

Part #616A66

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.…