Craftsman
Walk-Behind Mower

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

Here are the diagrams and repair parts for 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.

Showing 10 of 431 parts

Lawn Tractor Push Nut (replaces 532110452, 5321104-52, 532-110452, 532110552, 539107626, 5846R)#26

Housing and blade spindle assembly Diagram

Push nut

Part #76257
Replaced by #110452X
?
Manufacturer substitution
This part replaces 76257. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
In Stock
$4.44 | 
18% OFF 
Phone Price: $5.44
Lawn Tractor Brake Pad (replaces 740107, 790006A, TC-799021A)#24

Transmission Diagram

Pad

Part #790006
Replaced by #799021
?
Manufacturer substitution
This part replaces 790006. Substitute parts can look different from the original.
BEST SELLER
In Stock
$10.62 | 
16% OFF 
Phone Price: $12.62
Lawn & Garden Equipment Washer (replaces 19121414, 539990692, 819121414)#49

Shroud and fuel tank assembly Diagram

Washer

Part #61537
Replaced by #596134901
?
Manufacturer substitution
This part replaces 61537. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
Back Order
$2.19 | 
31% OFF 
Phone Price: $3.19
Lawn Tractor Brake Pad Plate (replaces TC-790007)#25

Transmission Diagram

Plate

Part #790007
Replaced by #790007
?
Manufacturer substitution
This part replaces 790007. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
In Stock
$5.29 | 
16% OFF 
Phone Price: $6.29
Lawn Tractor Brake Pad Holder (replaces TC-790025)#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
In Stock
$16.19 | 
11% OFF 
Phone Price: $18.19
Lawn & Garden Equipment Transmission Dowel Pin#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
In Stock
$4.14 | 
19% OFF 
Phone Price: $5.14
Lawn Tractor Tire Valve Stem Cap (replaces 21303, 24350, 532059192, 9427576)#28

Decal control panel Diagram

Back Order
$2.68 | 
36% OFF 
MSRP: $4.20
Lawn & Garden Equipment Washer#29

Transmission Diagram

Washer

Part #780072
Replaced by #780072
?
Manufacturer substitution
This part replaces 780072. Substitute parts can look different from the original.
This item is not returnable
In Stock
$2.49 | 
29% OFF 
Phone Price: $3.49
Tiller Drive Belt#46

Housing and blade spindle assembly Diagram

V-belt

Part #76274
Replaced by #532138399
?
Manufacturer substitution
This part replaces 76274. Substitute parts can look different from the original.

Get free shipping with Automatic Reorder

In Stock
$27.55 | 
27% OFF 
MSRP: $38.00

Articles and videos common to all walk-behind mowers

February 11, 2023

Top 10 electric lawn and garden tools for 2023

By Lyle Weischwill

Learn about the top 10 must-have electric lawn & garden tools for 2023

August 30, 2022

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

By Lyle Weischwill

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

August 11, 2022

Tapping into a new feature in the Search Bar on Sears PartsDirect

By Lyle Weischwill

Learn about a new feature added to the Search Bar on Sears PartsDirect