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Lawn-Boy 4502 lawn mower

Lawn-Boy 4502 lawn mower Parts

Here are the diagrams and repair parts for Lawn-Boy 4502 lawn mower, as well as links to manuals and error code tables, if available.

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Browse Parts for 4502 Walk-Behind Mowers

  • Toro Bolt for Lawn-Boy 4502 - Part 602984

    Drive group diagram

    Bolt

    Part #602984

    Replaced by #602984

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    Manufacturer substitution
    This part replaces 602984. Substitute parts can look different from the original.
    In Stock
    $55.23
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  • Toro Washer for Lawn-Boy 4502 - Part 608834

    Washer

    Part #608834

    Replaced by #608834

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    Manufacturer substitution
    This part replaces 608834. Substitute parts can look different from the original.
    In Stock
    $48.57
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  • Toro Lawn Mower Bolt for Lawn-Boy 4502 - Part 603441

    Bolt

    Part #603441

    Replaced by #603441

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    Manufacturer substitution
    This part replaces 603441. Substitute parts can look different from the original.
    In Stock
    $37.83
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  • Toro Lawn Mower Blade for Lawn-Boy 4502 - Part 521725

    Blade 20"

    Part #521725

    Replaced by #521725

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    Manufacturer substitution
    This part replaces 521725. Substitute parts can look different from the original.
    Get free shipping with Automatic Reorder
    In Stock
    $232.18
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  • Toro Lawn-boy Crankshaft for Lawn-Boy 4502 - Part 94-5713

    Engine group diagram

    Crankshaft

    Part #610747

    Replaced by #94-5713

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    Manufacturer substitution
    This part replaces 610747. Substitute parts can look different from the original.
    In Stock
    $407.66
    $12.00 OFF Phone Price : $419.66Info Icon
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  • Toro Seal for Lawn-Boy 4502 - Part 611396

    Engine group diagram

    Oil Seal

    Part #605020

    Replaced by #611396

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    Manufacturer substitution
    This part replaces 605020. Substitute parts can look different from the original.
    In Stock
    $37.61
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  • Toro Nut for Lawn-Boy 4502 - Part 602201

    Drive group diagram

    Nut

    Part #602201

    Replaced by #602201

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    Manufacturer substitution
    This part replaces 602201. Substitute parts can look different from the original.
    In Stock
    $27.99
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  • Toro Grommet for Lawn-Boy 4502 - Part 605120

    Engine group diagram

    Grommet

    Part #605120

    Replaced by #605120

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    Manufacturer substitution
    This part replaces 605120. Substitute parts can look different from the original.
    In Stock
    $32.03
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  • Toro Roll Pin for Lawn-Boy 4502 - Part 311866

    Drive group diagram

    Roll Pin

    Part #311866

    Replaced by #311866

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    Manufacturer substitution
    This part replaces 311866. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $6.51
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    Plus Item
  • Toro Lawn-boy Bearing for Lawn-Boy 4502 - Part 681831

    Engine group diagram

    Bearing

    Part #681831

    Replaced by #681831

    Info Icon
    Manufacturer substitution
    This part replaces 681831. Substitute parts can look different from the original.
    In Stock
    $94.19
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Most common symptoms to help you fix your walk-behind mowers

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

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Why does my lawn mower vibrate a lot?

Main causes: damaged cutting blade, loose cutting blade, damaged flywheel key, engine needs tune up…

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Why does my lawn mower stall?

Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent…

Read more

Why won't my lawn mower move?

Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel…

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Why won't my lawn mower start?

Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, ba…

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Why does my lawn mower run rough?

Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key…

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Why does my lawn mower cut unevenly?

Main causes: uneven wheel height settings, damaged wheel, dull or damaged cutting blade…

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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.

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How to replace a lawn mower front deck tray

How to replace a lawn mower front deck tray

Learn how to replace the front deck tray on your lawn mower if it's cracked or damaged.…

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Repair time and Difficulty

 60 minutes or less
How to replace a lawn mower transmission

How to replace a lawn mower transmission

Learn how to replace the transmission on your lawn mower if it's locked up or won't drive the wheels.…

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Repair time and Difficulty

 60 minutes or less
How to replace a lawn mower flywheel key on a flathead engine

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 re…

Read more

Repair time and Difficulty

 45 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.

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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…

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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…

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Types of walk-behind mower blades video

Types of walk-behind mower blades video

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

Read more

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