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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

  • Retaining Ring for Craftsman 131881721 - Part 792072

    Transmission diagram

    Briggs And Stratton Piston Assembly-020

    Part #792072

    Replaced by #792072

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    Manufacturer substitution
    This part replaces 792072. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $4.40
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  • Craftsman Lawn And Garden Equipment Screw for Craftsman 131881721 - Part 792078

    Transmission diagram

    Screw

    Part #792078

    Replaced by #792078

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    Manufacturer substitution
    This part replaces 792078. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $4.37
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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
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  • Lawn Tractor Transaxle Shift Fork for Craftsman 131881721 - Part 784267

    Transmission diagram

    Rod Assembly

    Part #784267

    Replaced by #784267

    Info Icon
    Manufacturer substitution
    This part replaces 784267. Substitute parts can look different from the original.
    In Stock
    $70.22
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  • Lawn Tractor Transaxle Spur Gear, 20-tooth for Craftsman 131881721 - Part 778126A

    Transmission diagram

    Gear

    Part #778126

    Replaced by #778126A

    Info Icon
    Manufacturer substitution
    This part replaces 778126. Substitute parts can look different from the original.
    In Stock
    $40.73
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    Qty
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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
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  • Tiller Idler Pulley for Craftsman 131881721 - Part 532104679

    Idler Pulley

    Part #67400

    Replaced by #532104679

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    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
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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
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  • Lawn & Garden Equipment Washer for Craftsman 131881721 - Part 780109

    Transmission diagram

    Washer

    Part #780109

    Replaced by #780109

    Info Icon
    Manufacturer substitution
    This part replaces 780109. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $4.60
    Minus Item
    Qty
    Plus Item
  • Lawn & Garden Equipment Collar for Craftsman 131881721 - Part 784266

    Transmission diagram

    Shift Collar

    Part #784266

    Replaced by #784266

    Info Icon
    Manufacturer substitution
    This part replaces 784266. Substitute parts can look different from the original.
    In Stock
    $12.71
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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…

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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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