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Craftsman 131978421 22" power-propelled lawn mower Parts

Here are the diagrams and repair parts for Craftsman 131978421 22" power-propelled lawn mower, as well as links to manuals and error code tables, if available.

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Craftsman 131978421 22" power-propelled lawn mower
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Browse Parts for 131978421 22" Power-Propelled Lawn Mower

  • Walk-behind Lawn Mower Engine for Craftsman 131978421 - Part 82404

    Mower deck diagram

    Walk-behind Lawn Mower Engine

    Part #82404

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

  • Disc Grade Assembly for Craftsman 131978421 - Part 79735

    Mower deck diagram

    Disc Grade Assembly

    Part #79735

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

  • Lock Nut, #10-24 for Craftsman 131978421 - Part STD541410

    Mower deck diagram

    Lock Nut, #10-24

    Part #STD541410

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

  • Cup Washer for Craftsman 131978421 - Part 54867

    Mower deck diagram

    Cup Washer

    Part #54867

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

  • Lock Nut for Craftsman 131978421 - Part 74400

    Mower deck diagram

    Lock Nut

    Part #74400

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

  • Axle Arm Assembly for Craftsman 131978421 - Part 69474

    Mower deck diagram

    Axle Arm Assembly

    Part #69474

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

  • Drift Lock Pin for Craftsman 131978421 - Part 53912

    Gear case assembly diagram

    Drift Lock Pin

    Part #53912

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

  • Spring for Craftsman 131978421 - Part 77862

    Mower deck diagram

    Spring

    Part #77862

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

  • Model Plate for Craftsman 131978421 - Part 82047

    Mower deck diagram

    Model Plate

    Part #82047

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

  • Spacer for Craftsman 131978421 - Part 75753

    Mower deck diagram

    Spacer

    Part #75753

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

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.…

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