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Gas Walk-Behind Mower

Model # 917378780 Official Craftsman gas walk-behind lawn mower

Here are the diagrams and repair parts for Official Craftsman 917378780 gas walk-behind lawn mower, as well as links to manuals and error code tables, if available.

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Browse Parts for917378780 Walk-Behind Mowers

  • Hex Flange Lock Nut 145212
    #9

    Wheels/tires/bag 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

    Wheels/tires/bag 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
  • Dust Cover 180504
    #14

    Wheels/tires/bag diagram

    Dust cover

    Part #180504

    Replaced by #581840401

    ?
    Manufacturer substitution
    This part replaces 180504. Substitute parts can look different from the original.
    BEST SELLER
    $8.64
    10% OFF Phone Price : $9.64
    In Stock
  • Husqvarna Lawn Mower Drive Wheel, 8 X 2-in 180775
    #11

    Wheels/tires/bag diagram

    Husqvarna lawn mower drive wheel, 8 x 2-in

    Part #180775

    Replaced by #532180775

    ?
    Manufacturer substitution
    This part replaces 180775. Substitute parts can look different from the original.
    BEST SELLER
    $40.71
    13% OFF Phone Price : $46.71
    In Stock
  • Husqvarna Lawn Mower Height Adjuster Knob 701037
    #18

    Wheels/tires/bag diagram

    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
    $7.20
    12% OFF Phone Price : $8.20
    In Stock
  • Condrol.driv 179681
    #1

    Wheels/tires/bag diagram

    Condrol.driv

    Part #179681

    Replaced by #583134601

    ?
    Manufacturer substitution
    This part replaces 179681. Substitute parts can look different from the original.
    $28.87
    17% OFF Phone Price : $34.87
    In Stock
  • Lawn Mower Ground Drive Belt, 3/8 X 32-1/2-in 175436
    #5

    Wheels/tires/bag diagram

    Lawn mower ground drive belt, 3/8 x 32-1/2-in

    Part #175436

    Replaced by #532175436

    ?
    Manufacturer substitution
    This part replaces 175436. Substitute parts can look different from the original.

    Get free shipping with Automatic Reorder

    In Stock
  • Husqvarna Lawn & Garden Equipment Pan Head Screw 175262
    #26

    Wheels/tires/bag diagram

    Husqvarna lawn & garden equipment pan head screw

    Part #175262

    Replaced by #532175262

    ?
    Manufacturer substitution
    This part replaces 175262. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
  • Lawn Mower Tension Spring 137090
    #37

    Wheels/tires/bag diagram

    Lawn mower tension spring

    Part #137090

    Replaced by #532137090

    ?
    Manufacturer substitution
    This part replaces 137090. Substitute parts can look different from the original.
    In Stock
  • Lawn Mower Transmission Tension Spring Retainer 150495
    #6

    Wheels/tires/bag diagram

    Lawn mower transmission tension spring retainer

    Part #150495

    Replaced by #532150495

    ?
    Manufacturer substitution
    This part replaces 150495. Substitute parts can look different from the original.
    This item is not returnable
    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 drive cable

How to replace a lawn mower drive cable

The drive cable engages the transmission to spin the drive wheels and move the mower across the grass. Replace the drive…

Repair difficulty
Time required
 60 minutes or less
How to replace a lawn mower starter rope

How to replace a lawn mower starter rope

These step-by-step instructions show how to replace a broken starter pull rope on a walk-behind lawn mower.…

Repair difficulty
Time required
 30 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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