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Craftsman 917378740 gas walk-behind lawn mower

Craftsman 917378740 gas walk-behind lawn mower Parts

Here are the diagrams and repair parts for Craftsman 917378740 gas walk-behind lawn mower, as well as links to manuals and error code tables, if available.

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Browse Parts for 917378740 Walk-Behind Mowers

  • Hairpin Cotter for Craftsman 917378740 - Part 532051793

    Main frame diagram

    Hairpin

    Part #51793

    Replaced by #532051793

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    Manufacturer substitution
    This part replaces 51793. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $9.79
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  • Lawn & Garden Equipment Engine O-ring Kit for Craftsman 917378740 - Part 532428450

    Main frame diagram

    Wave Washer

    Part #57143

    Replaced by #532428450

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    This part replaces 57143. Substitute parts can look different from the original.
    In Stock
    $25.60
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  • Husqvarna Lawn Mower Height Adjuster Knob for Craftsman 917378740 - Part 532087877

    Walk-behind Lawn Mower Selector Knob

    Part #87877

    Replaced by #532087877

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    This part replaces 87877. Substitute parts can look different from the original.
    This item is not returnable
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    $6.52
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  • Kit Adjuster Asm.438448.oring for Craftsman 917378740 - Part 583531001

    Drive assembly diagram

    Spring

    Part #751810

    Replaced by #583531001

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    This part replaces 751810. Substitute parts can look different from the original.
    In Stock
    $84.38
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  • Husqvarna Lawn Tractor Nut for Craftsman 917378740 - Part 596322601

    Lock Nut

    Part #751592

    Replaced by #596322601

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    Manufacturer substitution
    This part replaces 751592. Substitute parts can look different from the original.
    This item is not returnable
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    $5.87
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  • Washer.engine.bzp for Craftsman 917378740 - Part 532125078

    Main frame diagram

    Washer

    Part #851201X004

    Replaced by #532125078

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    Manufacturer substitution
    This part replaces 851201X004. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $9.26
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  • Lawn & Garden Equipment Shoulder Bolt for Craftsman 917378740 - Part 532174719

    Main frame diagram

    Shoulder Bolt

    Part #84921

    Replaced by #532174719

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    This part replaces 84921. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $35.54
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  • Baffle for Craftsman 917378740 - Part 87587X479

    Main frame diagram

    Baffle

    Part #87587X479

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

  • Screw for Craftsman 917378740 - Part 86082

    Main frame diagram

    Screw

    Part #86082

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

  • Bracket Support for Craftsman 917378740 - Part 750386X417

    Main frame diagram

    Bracket Support

    Part #750386X417

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

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

Choose a symptom to see related walk-behind mower repairs.

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…

Repair guides for gas walk-behind mowers

These step-by-step repair guides will help you safely fix what’s broken on your walk-behind lawn mower.

How to replace a lawn mower front deck tray

How to replace a lawn mower front deck tray

Learn how to replace the front deck tray on your lawn mower if it's cracked or damaged.…

Repair time and Difficulty

 60 minutes or less
How to replace a lawn mower transmission

How to replace a lawn mower transmission

Learn how to replace the transmission on your lawn mower if it's locked up or won't drive the wheels.…

Repair time and Difficulty

 60 minutes or less
How to replace a lawn mower flywheel key on a flathead engine

How to replace a lawn mower flywheel key on a flathead engine

When you hit a hard object with your mower, the flywheel can shear to protect more expensive components. Learn how to re…

Repair time and Difficulty

 45 minutes or less

Effective articles & videos to help repair your walk-behind mowers

Use the advice and tips in these articles and videos to get the most out of your walk-behind lawn mower.

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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