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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 Washer Blade for Lawn-Boy 4502 - Part 605058

    Washer

    Part #605058

    Replaced by #605058

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    Manufacturer substitution
    This part replaces 605058. Substitute parts can look different from the original.
    In Stock
    $34.61
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  • Toro Wrist Pin for Lawn-Boy 4502 - Part 94-5774

    Engine group diagram

    Wrist Pin

    Part #606608

    Replaced by #94-5774

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    Manufacturer substitution
    This part replaces 606608. Substitute parts can look different from the original.
    In Stock
    $46.00
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    Qty
    Plus Item
  • Toro Nut for Lawn-Boy 4502 - Part 608311

    Nut

    Part #608311

    Replaced by #608311

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    Manufacturer substitution
    This part replaces 608311. Substitute parts can look different from the original.
    In Stock
    $29.88
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  • Toro Adjusting Sc for Lawn-Boy 4502 - Part 609686

    Engine group diagram

    Adjusting Sc

    Part #609686

    Replaced by #609686

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    Manufacturer substitution
    This part replaces 609686. Substitute parts can look different from the original.
    In Stock
    $46.00
    Minus Item
    Qty
    Plus Item
  • Toro Idler Pulley for Lawn-Boy 4502 - Part 607978

    Drive group diagram

    Idler Pulley

    Part #607978

    Replaced by #607978

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    Manufacturer substitution
    This part replaces 607978. Substitute parts can look different from the original.
    In Stock
    $98.50
    Minus Item
    Qty
    Plus Item
  • Toro Float Valve for Lawn-Boy 4502 - Part 92-9697

    Engine group diagram

    Clip

    Part #603145

    Replaced by #92-9697

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    Manufacturer substitution
    This part replaces 603145. Substitute parts can look different from the original.
    In Stock
    $96.35
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    Qty
    Plus Item
  • Toro Adjustment Collar for Lawn-Boy 4502 - Part 610834

    Engine group diagram

    Adjusting Collar

    Part #610834

    Replaced by #610834

    Info Icon
    Manufacturer substitution
    This part replaces 610834. Substitute parts can look different from the original.
    In Stock
    $31.81
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    Plus Item
  • Toro Gasket for Lawn-Boy 4502 - Part 607213

    Engine group diagram

    Gasket

    Part #607213

    Replaced by #607213

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    Manufacturer substitution
    This part replaces 607213. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $3.86
    Minus Item
    Qty
    Plus Item
  • Toro Washer for Lawn-Boy 4502 - Part 603620

    Washer

    Part #603620

    Replaced by #603620

    Info Icon
    Manufacturer substitution
    This part replaces 603620. Substitute parts can look different from the original.
    In Stock
    $35.03
    Minus Item
    Qty
    Plus Item
  • Toro Screen for Lawn-Boy 4502 - Part 610745

    Engine group diagram

    Screen

    Part #610745

    Replaced by #610745

    Info Icon
    Manufacturer substitution
    This part replaces 610745. Substitute parts can look different from the original.
    In Stock
    $14.66
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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 run rough?

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

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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 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 cut unevenly?

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

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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…

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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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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.…

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