Craftsman
Walk-Behind Mower

Model # 131881721 Official Craftsman 42" power-propelled heavy-duty lawn mower

Here are the diagrams and repair parts for Official Craftsman 131881721 42" power-propelled heavy-duty lawn mower, 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 431 parts  |

Lawn & Garden Equipment Washer 52784
#41

Shroud and fuel tank assembly diagram

Lawn & garden equipment washer

Part #52784

Replaced by #819061216

?
Manufacturer substitution
This part replaces 52784. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$5.31
16% OFF Phone Price : $6.31
In Stock
Pin 786026
#26

Transmission diagram

Pin

Part #786026

Replaced by #786026B

?
Manufacturer substitution
This part replaces 786026. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$4.60
18% OFF Phone Price : $5.60
In Stock
Holder 790005
#23

Transmission diagram

Holder

Part #790005

Replaced by #790025

?
Manufacturer substitution
This part replaces 790005. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$18.30
10% OFF Phone Price : $20.30
In Stock
Push Nut 76257
#26

Housing and blade spindle assembly diagram

Push nut

Part #76257

Replaced by #532110452

?
Manufacturer substitution
This part replaces 76257. Substitute parts can look different from the original.
This item is not returnable
$3.98
88% OFF Was : $33.51
In Stock
Spring 792079
#42

Transmission diagram

Spring

Part #792079

Replaced by #792079

?
Manufacturer substitution
This part replaces 792079. Substitute parts can look different from the original.
This item is not returnable
$3.40
23% OFF Phone Price : $4.40
In Stock
Bolt 59476
#7

Housing and blade spindle assembly diagram

Bolt

Part #59476

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

Hose Clamp 73381
#6

Shroud and fuel tank assembly diagram

Hose clamp

Part #73381

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

Nut 792075
#38

Transmission diagram

Nut

Part #792075

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

Ring 792001
#44

Transmission diagram

Ring

Part #792001

Replaced by #792001

?
Manufacturer substitution
This part replaces 792001. Substitute parts can look different from the original.
This item is not returnable
In Stock
Lock Nut 54922
Lock nut

Part #54922

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

Effective articles & videos to help repair your walk-behind mowers

How to enjoy all the online benefits we offer on our Sears PartsDirect website

How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

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.…