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

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

  • Craftsman Lawn & Garden Equipment Transmission Dowel Pin for Craftsman 131881721 - Part 786026B

    Transmission diagram

    Pin

    Part #786026

    Replaced by #786026B

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    Manufacturer substitution
    This part replaces 786026. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $5.37
    16% OFF Phone Price : $6.37Info Icon
    Minus Item
    Qty
    Plus Item
  • Lawn & Garden Equipment Transmission Shift Key for Craftsman 131881721 - Part 792089B

    Transmission diagram

    Key

    Part #792089A

    Replaced by #792089B

    Info Icon
    Manufacturer substitution
    This part replaces 792089A. Substitute parts can look different from the original.
    In Stock
    $34.03
    15% OFF Phone Price : $40.03Info Icon
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    Qty
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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
    Qty
    Plus Item
  • Craftsman Lawn Tractor Spring for Craftsman 131881721 - Part 792079

    Transmission diagram

    Spring

    Part #792079

    Replaced by #792079

    Info Icon
    Manufacturer substitution
    This part replaces 792079. 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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    Qty
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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
  • 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
    Plus Item
  • Craftsman Lawn Tractor Quad Ring for Craftsman 131881721 - Part 792001

    Transmission diagram

    Ring

    Part #792001

    Replaced by #792001

    Info Icon
    Manufacturer substitution
    This part replaces 792001. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $4.37
    Minus Item
    Qty
    Plus Item
  • Gear for Craftsman 131881721 - Part 778122A

    Transmission diagram

    Gear

    Part #778122

    Replaced by #778122A

    Info Icon
    Manufacturer substitution
    This part replaces 778122. Substitute parts can look different from the original.
    In Stock
    $33.04
    Minus Item
    Qty
    Plus Item
  • Wizard Lawn Tractor Tire Valve Stem for Craftsman 131881721 - Part 65139

    Decal control panel diagram

    Wizard Lawn Tractor Tire Valve Stem

    Part #65139

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

  • Bolt for Craftsman 131881721 - Part 55918

    Bolt

    Part #55918

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

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…

Read more

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…

Read more

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…

Read more

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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