Snapper
Gas Walk-Behind Mower

Model #7800831 Snapper lawn mower

Here are the diagrams and repair parts for Snapper 7800831 lawn mower, as well as links to manuals and error code tables, if available.

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    Showing 10 of 99 parts

    Lawn & Garden Equipment Capped Screw

    #14

    Engine Diagram

    Lawn & garden equipment capped screw

    Part #703999
    ?
    Manufacturer substitution
    This part replaces 7090167. Substitute parts can look different from the original.
    This part replaces 7090167
    This item is not returnable
    $3.15

    In Stock

    Adaptor  Was

    #2

    Engine Diagram

    Adaptor was

    Part #7103804YP
    ?
    Manufacturer substitution
    This part replaces 7103804. Substitute parts can look different from the original.
    This part replaces 7103804
    This item is not returnable
    $4.56 | 
    33% OFF MSRP:$6.80

    In Stock

    Lawn Mower Height Adjuster Assembly, Left

    #21

    Wheel/4 point hoc/high-wheel Diagram

    Lawn mower height adjuster assembly, left

    Part #7600105YP
    ?
    Manufacturer substitution
    This part replaces 7600105. Substitute parts can look different from the original.
    This part replaces 7600105
    $71.78

    In Stock

    Lawn Mower Drive Control Assembly

    #3

    Handle & controls Diagram

    Lawn mower drive control assembly

    Part #7103677YP
    ?
    Manufacturer substitution
    This part replaces 7502147. Substitute parts can look different from the original.
    This part replaces 7502147
    $71.71

    In Stock

    Hex Flange Bolt

    #21

    Deck-front wheel drive/hi-wheel Diagram

    Hex flange bolt

    Part #7090699YP
    ?
    Manufacturer substitution
    This part replaces 7090699. Substitute parts can look different from the original.
    This part replaces 7090699
    This item is not returnable
    $2.72 | 
    26% OFF MSRP:$3.70

    In Stock

    Lawn Mower Height Adjuster, Right

    #22

    Wheel/4 point hoc/high-wheel Diagram

    Lawn mower height adjuster, right

    Part #7600104YP
    ?
    Manufacturer substitution
    This part replaces 7600104. Substitute parts can look different from the original.
    This part replaces 7600104
    $71.78

    In Stock

    Wire Tie 11

    #12

    Handle & controls Diagram

    Wire tie 11

    Part #7024649YP
    ?
    Manufacturer substitution
    This part replaces 7024649. Substitute parts can look different from the original.
    This part replaces 7024649
    This item is not returnable
    $5.50

    In Stock

    Lawn & Garden Equipment Self Screw

    #20

    Deck-front wheel drive/hi-wheel Diagram

    Lawn & garden equipment self screw

    Part #7091075SM
    ?
    Manufacturer substitution
    This part replaces 7091075. Substitute parts can look different from the original.
    This part replaces 7091075
    This item is not returnable
    $4.25

    In Stock

    Lawn & Garden Equipment Washer

    #7

    Wheel/4 point hoc/high-wheel Diagram

    Lawn & garden equipment washer

    Part #703591
    ?
    Manufacturer substitution
    This part replaces 7091331. Substitute parts can look different from the original.
    This part replaces 7091331
    This item is not returnable
    $3.98 | 
    15% OFF MSRP:$4.70

    In Stock

    Lawn Mower Wheel

    #4

    Wheel/4 point hoc/high-wheel Diagram

    Lawn mower wheel

    Part #7105710YP
    ?
    Manufacturer substitution
    This part replaces 7104181. Substitute parts can look different from the original.
    This part replaces 7104181
    $59.05 | 
    25% OFF MSRP:$79.00

    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
    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.