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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.

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Craftsman 131881721 42" power-propelled heavy-duty lawn mower
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Browse Parts for 131881721 42" Power-Propelled Heavy-Duty Lawn Mower

  • Craftsman Lawn & Garden Equipment Washer for Craftsman 131881721 - Part 780072

    Transmission diagram

    Washer

    Part #780072

    Replaced by #780072

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    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
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  • 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
  • Lawn Tractor Transaxle Bevel Gear for Craftsman 131881721 - Part 778113A

    Transmission diagram

    Pinion

    Part #778113

    Replaced by #778113A

    Info Icon
    Manufacturer substitution
    This part replaces 778113. Substitute parts can look different from the original.
    In Stock
    $32.45
    16% OFF Phone Price : $38.45Info Icon
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  • Gear Kit for Craftsman 131881721 - Part 778109A

    Transmission diagram

    Gear

    Part #778109

    Replaced by #778109A

    Info Icon
    Manufacturer substitution
    This part replaces 778109. Substitute parts can look different from the original.
    In Stock
    $78.38
    Minus Item
    Qty
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  • 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
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  • Gear for Craftsman 131881721 - Part 778128A

    Transmission diagram

    Gear

    Part #778128

    Replaced by #778128A

    Info Icon
    Manufacturer substitution
    This part replaces 778128. Substitute parts can look different from the original.
    In Stock
    $33.93
    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
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  • Husqvarna Lawn & Garden Equipment Washer for Craftsman 131881721 - Part 596134901

    Shroud and fuel tank assembly diagram

    Washer

    Part #61537

    Replaced by #596134901

    Info Icon
    Manufacturer substitution
    This part replaces 61537. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $4.86
    17% OFF Phone Price : $5.86Info Icon
    Minus Item
    Qty
    Plus Item
  • Lawn Tractor Tire, Front for Craftsman 131881721 - Part 532123410

    Decal control panel diagram

    Tire

    Part #70302

    Replaced by #532123410

    Info Icon
    Manufacturer substitution
    This part replaces 70302. Substitute parts can look different from the original.
    In Stock
    $22.05
    64% OFF Was : $61.35Info Icon
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  • Flat Washer for Craftsman 131881721 - Part STD551025

    Washer

    Part #63128

    Replaced by #STD551025

    Info Icon
    Manufacturer substitution
    This part replaces 63128. Substitute parts can look different from the original.
    In Stock
    $36.61
    Minus Item
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    Plus Item

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

View all

Why does my lawn mower vibrate a lot?

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

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Why does my lawn mower stall?

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

Read more

Why won't my lawn mower move?

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

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Why won't my lawn mower start?

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

Read more

Why does my lawn mower run rough?

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

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Why does my lawn mower cut unevenly?

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

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

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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…

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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…

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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.…

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