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Gas Walk-Behind Mower

Model # 917378550 Official Craftsman gas walk-behind lawn mower

Here are the diagrams and repair parts for Official Craftsman 917378550 gas walk-behind lawn mower, as well as links to manuals and error code tables, if available.

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Browse Parts for917378550 Walk-Behind Mowers

  • Lock Nut 83923
    #26

    Engine/handle/housing diagram

    Lock nut

    Part #83923

    Replaced by #532409149

    ?
    Manufacturer substitution
    This part replaces 83923. Substitute parts can look different from the original.
    BEST SELLER
    This item is not returnable
    $2.49
    29% OFF Phone Price : $3.49
    In Stock
  • Hex Flange Lock Nut 145212
    #9

    Gear case/tires/wheels diagram

    Hex flange lock nut

    Part #145212

    Replaced by #532409149

    ?
    Manufacturer substitution
    This part replaces 145212. Substitute parts can look different from the original.
    BEST SELLER
    This item is not returnable
    $2.49
    29% OFF Phone Price : $3.49
    In Stock
  • Pipe Fitting 132010
    #31

    Gear case/tires/wheels diagram

    Pipe fitting

    Part #132010

    Replaced by #532409149

    ?
    Manufacturer substitution
    This part replaces 132010. Substitute parts can look different from the original.
    BEST SELLER
    This item is not returnable
    $2.49
    29% OFF Phone Price : $3.49
    In Stock
  • Handle Knob 136376
    #6

    Engine/handle/housing diagram

    Handle knob

    Part #136376

    Replaced by #532185577

    ?
    Manufacturer substitution
    This part replaces 136376. Substitute parts can look different from the original.
    BEST SELLER
    $11.88
    14% OFF Phone Price : $13.88
    In Stock
  • Dust Cover 180504
    #14

    Gear case/tires/wheels diagram

    Dust cover

    Part #180504

    Replaced by #581840401

    ?
    Manufacturer substitution
    This part replaces 180504. Substitute parts can look different from the original.
    BEST SELLER
    $8.90
    10% OFF Phone Price : $9.90
    In Stock
  • Handle Bolt 131959
    #5

    Engine/handle/housing diagram

    Handle bolt

    Part #131959

    Replaced by #532191574

    ?
    Manufacturer substitution
    This part replaces 131959. Substitute parts can look different from the original.
    BEST SELLER
    $8.64
    10% OFF Phone Price : $9.64
    In Stock
  • Husqvarna Lawn Mower 21-in Deck 3-in-1 Blade 189028
    #47

    Engine/handle/housing diagram

    Husqvarna lawn mower 21-in deck 3-in-1 blade

    Part #189028

    Replaced by #532189028

    ?
    Manufacturer substitution
    This part replaces 189028. Substitute parts can look different from the original.
    BEST SELLER

    Get free shipping with Automatic Reorder

    In Stock
  • Cable.mzr.60 182755
    #4

    Engine/handle/housing diagram

    Cable.mzr.60

    Part #182755

    Replaced by #532183567

    ?
    Manufacturer substitution
    This part replaces 182755. Substitute parts can look different from the original.
    BEST SELLER
    $25.98
    19% OFF Phone Price : $31.98
    In Stock
  • Husqvarna Lawn Mower Height Adjuster Knob 701037
    Husqvarna lawn mower height adjuster knob

    Part #701037

    Replaced by #532701037

    ?
    Manufacturer substitution
    This part replaces 701037. Substitute parts can look different from the original.
    BEST SELLER
    $7.47
    12% OFF Phone Price : $8.47
    In Stock
  • Lawn Mower Wheel Assembly 180767
    #11

    Gear case/tires/wheels diagram

    Lawn mower wheel assembly

    Part #180767

    Replaced by #532180775

    ?
    Manufacturer substitution
    This part replaces 180767. Substitute parts can look different from the original.
    BEST SELLER
    $40.11
    13% OFF Phone Price : $46.11
    In Stock

Symptoms for gas walk-behind mowers

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

Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel…

Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key…

Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent…

Main causes: damaged cutting blade, loose cutting blade, damaged flywheel key, engine needs tune up…

Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, ba…

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 spark plug

How to replace a lawn mower spark plug

Take a few minutes to replace the spark plug during your lawn mower's annual tune-up or if the spark plug is burnt or cr…

Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower blade

How to replace a lawn mower blade

Check your lawn mower blade regularly and replaced it if it's bent or damaged. …

Repair difficulty
Time required
 15 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 difficulty
Time required
 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…

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…

How to enjoy all the online benefits we offer on our Sears PartsDirect website

How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

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