Craftsman
Gas Walk-Behind Mower

Model #917378300 Craftsman lawn mower

Here are the diagrams and repair parts for Craftsman 917378300 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.

Owner’s manual

    Showing 10 of 97 parts

    Lawn Mower 22-in Deck 3-in-1 Blade

    #47

    Engine/housing/handle Diagram

    Lawn mower 22-in deck 3-in-1 blade

    Part #421825

    Get free shipping with Automatic Reorder

    $17.99 | 
    10% OFF 
    MSRP: $20.00

    In Stock

    Lawn Mower E-Ring

    #28

    Drive control/wheels Diagram

    Lawn mower e-ring

    Part #12000058
    This item is not returnable
    $2.69 | 
    13% OFF 
    MSRP: $3.10

    In Stock

    Lawn Mower Discharge Chute Door Spring, Right

    #24

    Engine/housing/handle Diagram

    Lawn mower discharge chute door spring, right

    Part #419948
    This item is not returnable
    $5.79

    In Stock

    Lawn Mower Zone Control Cable

    #9

    Drive control/wheels Diagram

    $20.99 | 
    30% OFF 
    MSRP: $30.00

    In Stock

    Lawn Mower Rear Skirt Mounting Bracket

    #85

    Engine/housing/handle Diagram

    Lawn mower rear skirt mounting bracket

    Part #429801X004
    This item is not returnable
    $4.19

    In Stock

    Lawn Mower Carriage Bolt

    #28

    Engine/housing/handle Diagram

    Lawn mower carriage bolt

    Part #586212501
    This item is not returnable
    $3.69

    In Stock

    Lawn Mower Hex Nut, #10-24

    #38

    Drive control/wheels Diagram

    Lawn mower hex nut, #10-24

    Part #191730
    This item is not returnable
    $3.49 | 
    17% OFF 
    MSRP: $4.20

    In Stock

    Lawn Mower Recoil Starter Rope Guide

    #19

    Engine/housing/handle Diagram

    Lawn mower recoil starter rope guide

    Part #581902101
    This item is not returnable
    $3.49

    In Stock

    Lawn & Garden Equipment Bolt

    #41

    Engine/housing/handle Diagram

    Lawn & garden equipment bolt

    Part #150406
    This item is not returnable
    $6.79

    In Stock

    Lawn Mower Cable Clamp

    #96

    Engine/housing/handle Diagram

    Lawn mower cable clamp

    Part #197991
    This item is not returnable
    $3.59 | 
    15% OFF 
    MSRP: $4.20

    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: 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