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Lawn-Boy 10202-3900001 AND UP lawn mower Parts

Here are the diagrams and repair parts for Lawn-Boy 10202-3900001 AND UP lawn mower, as well as links to manuals and error code tables, if available.

Lawn-Boy 10202-3900001 AND UP lawn mower
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Browse Parts for 10202-3900001 AND UP Walk-Behind Mowers

  • Toro Ht Adj Arm R for Lawn-Boy 10202-3900001 AND UP - Part 92-7746

    Rear axle assembly diagram

    Ht Adj Arm

    Part #684616

    Replaced by #92-7746

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    Manufacturer substitution
    This part replaces 684616. Substitute parts can look different from the original.
    In Stock
    $123.58
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  • Toro Lawn Mower Washer Clutch for Lawn-Boy 10202-3900001 AND UP - Part 65-4760

    Rear axle assembly diagram

    Washer

    Part #65-4760

    Replaced by #65-4760

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    Manufacturer substitution
    This part replaces 65-4760. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $27.95
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  • Toro Shaft-int for Lawn-Boy 10202-3900001 AND UP - Part 614696

    Gear case assembly diagram

    Shaft Int

    Part #614696

    Replaced by #614696

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    Manufacturer substitution
    This part replaces 614696. Substitute parts can look different from the original.
    In Stock
    $218.09
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  • Toro Lawn-boy Spring Arm for Lawn-Boy 10202-3900001 AND UP - Part 92-1005

    Deck & wheel assembly (hand push) diagram

    Spring Arm

    Part #92-1005

    Replaced by #92-1005

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    Manufacturer substitution
    This part replaces 92-1005. Substitute parts can look different from the original.
    In Stock
    $36.24
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  • Toro Actuator Plate for Lawn-Boy 10202-3900001 AND UP - Part 92-1052

    Deck & wheel assembly (self propelled) diagram

    Actuator Plate

    Part #92-1052

    Replaced by #92-1052

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    Manufacturer substitution
    This part replaces 92-1052. Substitute parts can look different from the original.
    In Stock
    $26.51
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  • Toro Lawn Mower 21-in Deck Mulching Blade for Lawn-Boy 10202-3900001 AND UP - Part 612543-03

    4 cycle engine, fuel tank & blade assembly diagram

    Belt, 21-in

    Part #612543

    Replaced by #612543-03

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    Manufacturer substitution
    This part replaces 612543. Substitute parts can look different from the original.
    Get free shipping with Automatic Reorder
    In Stock
    $49.60
    11% OFF Phone Price : $55.60Info Icon
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  • Toro Lawn Mower Gear Pinion for Lawn-Boy 10202-3900001 AND UP - Part 65-4750

    Rear axle assembly diagram

    Gear

    Part #65-4750

    Replaced by #65-4750

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    Manufacturer substitution
    This part replaces 65-4750. Substitute parts can look different from the original.
    In Stock
    $43.42
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  • Toro Lock Nut for Lawn-Boy 10202-3900001 AND UP - Part 602315

    Rear axle assembly diagram

    Lock Nut

    Part #602315

    Replaced by #602315

    Info Icon
    Manufacturer substitution
    This part replaces 602315. Substitute parts can look different from the original.
    In Stock
    $33.10
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  • Toro Ring Tsolat for Lawn-Boy 10202-3900001 AND UP - Part 614443

    Rear axle assembly diagram

    Ring Tsolat

    Part #614443

    Replaced by #614443

    Info Icon
    Manufacturer substitution
    This part replaces 614443. Substitute parts can look different from the original.
    In Stock
    $100.33
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  • Toro Gear Cover for Lawn-Boy 10202-3900001 AND UP - Part 614668-03

    Gear case assembly diagram

    Gear Cover

    Part #614668

    Replaced by #614668-03

    Info Icon
    Manufacturer substitution
    This part replaces 614668. Substitute parts can look different from the original.
    In Stock
    $41.27
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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…

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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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Is it time to switch to an electric lawn mower?

Is it time to switch to an electric lawn mower?

See a comparison of cordless lawn mowers and gas mowers so you can decide which is best for you.…

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Tapping into a new feature in the Search Bar on Sears PartsDirect

Tapping into a new feature in the Search Bar on Sears PartsDirect

Learn about a new feature added to the Search Bar on Sears PartsDirect…

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