Craftsman
Gas Walk-Behind Mower

Model #917384111 Craftsman 20" lawn mower

Here are the diagrams and repair parts for Craftsman 917384111 20" lawn mower, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

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

Save to my profile

    Showing 10 of 74 parts

    Screw

    #4

    Replacement parts Diagram

    Screw

    Part #78186

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

    Nut

    #31

    Replacement parts Diagram

    Nut

    Part #63601

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

    Lawn Mower Height Adjuster Lever Spacer

    #50

    Replacement parts Diagram

    Lawn mower height adjuster lever spacer

    Part #532401629
    ?
    Manufacturer substitution
    This part replaces 84920. Substitute parts can look different from the original.
    This part replaces 84920
    This item is not returnable
    $3.49

    In Stock

    Lawn Mower Cotter Pin

    #9

    Replacement parts Diagram

    Lawn mower cotter pin

    Part #532051793
    ?
    Manufacturer substitution
    This part replaces 51793. Substitute parts can look different from the original.
    This part replaces 51793
    This item is not returnable
    $5.69

    In Stock

    E-Ring

    #24

    Replacement parts Diagram

    E-ring

    Part #STD581025

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

    Lock Nut

    #5

    Replacement parts Diagram

    Lock nut

    Part #74189

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

    Snowblower Cotter Pin

    #45

    Replacement parts Diagram

    Snowblower cotter pin

    Part #532085179
    ?
    Manufacturer substitution
    This part replaces 85179. Substitute parts can look different from the original.
    This part replaces 85179
    This item is not returnable
    $4.79

    In Stock

    Lawn Tractor Decal

    #36

    Replacement parts Diagram

    Lawn tractor decal

    Part #539913010
    ?
    Manufacturer substitution
    This part replaces 85463. Substitute parts can look different from the original.
    This part replaces 85463
    This item is not returnable
    $3.51

    In Stock

    Lawn Tractor Hex Lock Nut

    #40

    Replacement parts Diagram

    Lawn tractor hex lock nut

    Part #596040501
    ?
    Manufacturer substitution
    This part replaces STD541431. Substitute parts can look different from the original.
    This part replaces STD541431
    This item is not returnable
    $2.16

    Back Order

    Screw

    #25

    Replacement parts Diagram

    Screw

    Part #STD512505

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

    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: uneven wheel height settings, damaged wheel, dull or damaged cutting blade
    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: engine needs tune up, dirty or clogged carburetor, damaged flywheel key
    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.

    How to replace a lawn mower flywheel key on an OHV engine

    The flywheel key couples the flywheel to the engine crankshaft. Replace the flywheel key if it's broken.

    Repair difficulty
    Time required
     60 minutes or less
    April 1, 2013
    By Lyle Weischwill
    How to replace a lawn mower wheel

    Learn how replace a damaged wheel on a walk-behind lawn mower—it's a quick, easy fix.

    Repair difficulty
    Time required
     15 minutes or less
    April 1, 2013
    By Lyle Weischwill
    How to replace a lawn mower safety switch

    The safety switch stops the engine when you release the lever on the handle. This repair guide explains how to replace it if it's not working correctly.

    Repair difficulty
    Time required
     30 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.

    October 1, 2019

    Types of walk-behind mower blades video

    By Sears PartsDirect staff

    Learn about the different kinds of mower blades and how to maintain them.