Get free shipping on your order, with any water filter subscription. Find my filter

Open Hamburger Menu
Sears Parts Direct
Tips to find your model number

Craftsman 131881721 42" power-propelled heavy-duty lawn mower Parts

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.

Error Code Icon View engine
Craftsman 131881721 42" power-propelled heavy-duty lawn mower
By Schematic
By Part
SELECT DIAGRAM
?

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

Browse Parts for 131881721 42" Power-Propelled Heavy-Duty Lawn Mower

  • Craftsman Lawn Tractor Brake Pad for Craftsman 131881721 - Part 799021

    Transmission diagram

    Pad

    Part #790006

    Replaced by #799021

    Info Icon
    Manufacturer substitution
    This part replaces 790006. Substitute parts can look different from the original.
    In Stock
    $11.85
    14% OFF Phone Price : $13.85Info Icon
    Minus Item
    Qty
    Plus Item
  • Craftsman Lawn & Garden Equipment Washer for Craftsman 131881721 - Part 780072

    Transmission diagram

    Washer

    Part #780072

    Replaced by #780072

    Info Icon
    Manufacturer substitution
    This part replaces 780072. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $3.85
    21% OFF Phone Price : $4.85Info Icon
    Minus Item
    Qty
    Plus Item
  • Spacer for Craftsman 131881721 - Part 786068

    Transmission diagram

    Spacer

    Part #786068

    Replaced by #786068

    Info Icon
    Manufacturer substitution
    This part replaces 786068. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $6.71
    Minus Item
    Qty
    Plus Item
  • Retaining Ring for Craftsman 131881721 - Part 792072

    Transmission diagram

    Briggs And Stratton Piston Assembly-020

    Part #792072

    Replaced by #792072

    Info Icon
    Manufacturer substitution
    This part replaces 792072. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $4.40
    Minus Item
    Qty
    Plus Item
  • Lawn Tractor Transaxle Spur Gear, 25-tooth for Craftsman 131881721 - Part 778123A

    Transmission diagram

    Gear

    Part #778123

    Replaced by #778123A

    Info Icon
    Manufacturer substitution
    This part replaces 778123. Substitute parts can look different from the original.
    In Stock
    $40.40
    Minus Item
    Qty
    Plus Item
  • Gear for Craftsman 131881721 - Part 778129A

    Transmission diagram

    Gear

    Part #778129

    Replaced by #778129A

    Info Icon
    Manufacturer substitution
    This part replaces 778129. Substitute parts can look different from the original.
    In Stock
    $31.13
    Minus Item
    Qty
    Plus Item
  • Craftsman Push Nut for Craftsman 131881721 - Part 532110452

    Housing and blade spindle assembly diagram

    Push Nut

    Part #76257

    Replaced by #532110452

    Info Icon
    Manufacturer substitution
    This part replaces 76257. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $5.33
    16% OFF Phone Price : $6.33Info Icon
    Minus Item
    Qty
    Plus Item
  • Gear for Craftsman 131881721 - Part 778127A

    Transmission diagram

    Gear

    Part #778127

    Replaced by #778127A

    Info Icon
    Manufacturer substitution
    This part replaces 778127. Substitute parts can look different from the original.
    In Stock
    $45.13
    Minus Item
    Qty
    Plus Item
  • Gear for Craftsman 131881721 - Part 778125

    Transmission diagram

    Gear

    Part #778125

    Replaced by #778125

    Info Icon
    Manufacturer substitution
    This part replaces 778125. Substitute parts can look different from the original.
    In Stock
    $35.07
    Minus Item
    Qty
    Plus Item
  • Lawn Tractor Bolt for Craftsman 131881721 - Part 817580520

    Wire harness diagram

    Screw

    Part #78158

    Replaced by #817580520

    Info Icon
    Manufacturer substitution
    This part replaces 78158. Substitute parts can look different from the original.
    In Stock
    $6.52
    13% OFF Phone Price : $7.52Info Icon
    Minus Item
    Qty
    Plus Item

Most common symptoms to help you fix your walk-behind mowers

Main causes: damaged cutting blade, loose cutting blade, damaged flywheel key, engine needs tune up…

Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent…

Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel…

Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, ba…

Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key…

Main causes: uneven wheel height settings, damaged wheel, dull or damaged cutting blade…

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

The best time of day to mow grass (and when you should absolutely not)

The best time of day to mow grass (and when you should absolutely not)

Wondering when to mow your lawn for the best results? Timing matters more than you might think. Discover the best time o…

Top 10 electric lawn and garden tools

Top 10 electric lawn and garden tools

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

Types of walk-behind mower blades video

Types of walk-behind mower blades video

Learn about the different kinds of mower blades and how to maintain them.…

Parts & More

Bottom-Mount Refrigerator
Bread Machine
Chest Freezer
Dishwasher
Dryer
Front-Engine Lawn Tractor
Gas Range
Gas Wall Oven
Lawn Vacuum
Parts
Refrigerator
Side-By-Side Refrigerator
Stand Mixer
Top-Mount Refrigerator
Washer