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Craftsman 131978421 22" power-propelled lawn mower

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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Browse Parts for 131978421 22" Power-Propelled Lawn Mower

  • E-ring for Craftsman 131978421 - Part STD581050

    E-ring

    Part #STD581050

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

  • Bracket for Craftsman 131978421 - Part 76442

    Mower deck diagram

    Bracket

    Part #76442

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

  • Nut for Craftsman 131978421 - Part 51433

    Mower deck diagram

    Nut

    Part #51433

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

  • Bolt for Craftsman 131978421 - Part STD522515

    Mower deck diagram

    Bolt

    Part #STD522515

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

  • Axle Arm Assembly for Craftsman 131978421 - Part 77858

    Mower deck diagram

    Axle Arm Assembly

    Part #77858

    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

  • 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

  • Spring for Craftsman 131978421 - Part 75391

    Mower deck diagram

    Spring

    Part #75391

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

  • Lf Whl Adj A for Craftsman 131978421 - Part 78683

    Mower deck diagram

    Lf Whl Adj A

    Part #78683

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

  • Retainer Rod for Craftsman 131978421 - Part 73686

    Mower deck diagram

    Retainer Rod

    Part #73686

    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…

Is it time to switch to an electric lawn mower?

Is it time to switch to an electric lawn mower?

See a comparison of cordless lawn mowers and gas mowers so you can decide which is best for you.…

Tapping into a new feature in the Search Bar on Sears PartsDirect

Tapping into a new feature in the Search Bar on Sears PartsDirect

Learn about a new feature added to the Search Bar on Sears PartsDirect…

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