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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

  • 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
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  • 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
    $46.41
    24% OFF Was : $61.35Info Icon
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    Qty
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  • 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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    Qty
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  • Gear for Craftsman 131881721 - Part 778121

    Transmission diagram

    Gear

    Part #778121A

    Replaced by #778121

    Info Icon
    Manufacturer substitution
    This part replaces 778121A. Substitute parts can look different from the original.
    In Stock
    $39.87
    Minus Item
    Qty
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  • 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
  • Lawn Tractor Transaxle Output Shaft Flange Bushing for Craftsman 131881721 - Part 780105A

    Transmission diagram

    Bushing

    Part #780105

    Replaced by #780105A

    Info Icon
    Manufacturer substitution
    This part replaces 780105. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $9.79
    9% OFF Phone Price : $10.79Info Icon
    Minus Item
    Qty
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  • 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
  • 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
  • Tiller Idler Pulley for Craftsman 131881721 - Part 532104679

    Idler Pulley

    Part #67400

    Replaced by #532104679

    Info Icon
    Manufacturer substitution
    This part replaces 67400. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $29.44
    17% OFF Phone Price : $35.44Info 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

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

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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…

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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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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

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

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Types of walk-behind mower blades video

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

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