Craftsman
Gas Walk-Behind Mower

Model #917378694 Official Craftsman gas walk-behind lawn mower

Here are the diagrams and repair parts for Craftsman 917378694 gas walk-behind lawn mower, as well as links to manuals and error code tables, if available.

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For DIY troubleshooting advice and repair guides, visit our repair help section.

    Showing 10 of 130 parts

    Lawn Mower Lock Nut, 3/8-in#45

    22" rotary lawn mower Diagram

    Lock nut

    Part #83923
    Replaced by #532409149
    ?
    Manufacturer substitution
    This part replaces 83923. Substitute parts can look different from the original.
    BEST SELLER
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    In Stock
    $2.81 | 
    28% OFF 
    Phone Price: $3.90
    Lawn Mower 22-in Deck Mulching Blade#56

    22" rotary lawn mower Diagram

    Lawn mower 22-in deck mulching blade

    Part #850973
    Replaced by #532406713
    ?
    Manufacturer substitution
    This part replaces 850973. Substitute parts can look different from the original.
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    Get free shipping with Automatic Reorder

    In Stock
    $13.19 | 
    34% OFF 
    MSRP: $20.00
    Lawn & Garden Equipment Hex Head Bolt, 3/8-24 x 1-1/8-in#53

    22" rotary lawn mower Diagram

    Lawn & garden equipment screw

    Part #851084
    Replaced by #532435345
    ?
    Manufacturer substitution
    This part replaces 851084. Substitute parts can look different from the original.
    BEST SELLER
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    In Stock
    $3.49 | 
    22% OFF 
    Phone Price: $4.49
    Lawn Mower Blade Adapter#57

    22" rotary lawn mower Diagram

    Lawn mower blade adapter

    Part #851514
    Replaced by #581547901
    ?
    Manufacturer substitution
    This part replaces 851514. Substitute parts can look different from the original.
    BEST SELLER
    In Stock
    $14.39 | 
    12% OFF 
    Phone Price: $16.39
    Lawn & Garden Equipment Washer#37

    22" rotary lawn mower Diagram

    Lawn & garden equipment washer

    Part #88348
    BEST SELLER
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    In Stock
    $4.19 | 
    19% OFF 
    Phone Price: $5.19
    Lawn Mower Height Adjuster Lever Spacer#36

    22" rotary lawn mower Diagram

    Spacer

    Part #84920
    Replaced by #532401629
    ?
    Manufacturer substitution
    This part replaces 84920. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $3.09 | 
    24% OFF 
    Phone Price: $4.09
    Lawn & Garden Equipment Shoulder Bolt#42

    22" rotary lawn mower Diagram

    Shoulder bolt

    Part #84921
    Replaced by #532174719
    ?
    Manufacturer substitution
    This part replaces 84921. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $4.19
    Lawn & Garden Equipment Washer#10

    Gear case assembly Diagram

    Lawn & garden equipment washer

    Part #57079
    This item is not returnable
    In Stock
    $3.09 | 
    24% OFF 
    Phone Price: $4.09
    Lawn & Garden Equipment Washer#55

    22" rotary lawn mower Diagram

    Lawn & garden equipment washer

    Part #851074
    This item is not returnable
    In Stock
    $2.79 | 
    26% OFF 
    Phone Price: $3.79
    Lawn & Garden Equipment Bolt#52

    22" rotary lawn mower Diagram

    Screw

    Part #850998
    Replaced by #150406
    ?
    Manufacturer substitution
    This part replaces 850998. Substitute parts can look different from the original.
    This item is not returnable
    Back Order
    $4.89 | 
    17% OFF 
    Phone Price: $5.89

    Symptoms for gas walk-behind mowers

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

    Main causes: uneven wheel height settings, damaged wheel, dull or damaged cutting blade
    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: engine needs tune up, dirty or clogged carburetor, damaged flywheel key
    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, bad ignition coil

    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.

    March 1, 2016
    By Lyle Weischwill
    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 ignition coil on an OHV engine

    Replace the ignition coil if it isn't sending electric current to the spark plug when you pull the recoil starter rope.

    Repair difficulty
    Time required
     30 minutes or less
    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 replace this tiny but essential part.

    Repair difficulty
    Time required
     45 minutes or less

    Articles and videos common to all walk-behind mowers

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

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