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MTD 37278 lawn mower Parts

Here are the diagrams and repair parts for MTD 37278 lawn mower, as well as links to manuals and error code tables, if available.

MTD 37278 lawn mower
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Browse Parts for 37278 Walk-Behind Mowers

  • Kmart Lawn & Garden Equipment Wave Washer for MTD 37278 - Part 936-0504

    Wave Washer

    Part #736-0504

    Replaced by #936-0504

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    Manufacturer substitution
    This part replaces 736-0504. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $8.20
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  • Lawn Mower 21-in Deck Mulching Blade for MTD 37278 - Part 942-0721

    Lawn Mower Blade

    Part #742-0721

    Replaced by #942-0721

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    Manufacturer substitution
    This part replaces 742-0721. Substitute parts can look different from the original.
    In Stock
    $43.56
    12% OFF Phone Price : $49.56Info Icon
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  • Lawn Mower Handle Knob for MTD 37278 - Part 920-0276

    Handle Knob

    Part #720-0276

    Replaced by #920-0276

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    Manufacturer substitution
    This part replaces 720-0276. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $6.77
    13% OFF Phone Price : $7.77Info Icon
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  • Lawn & Garden Equipment Spacer Washer for MTD 37278 - Part 936-0501

    Spacer Washer

    Part #736-0501

    Replaced by #936-0501

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    Manufacturer substitution
    This part replaces 736-0501. Substitute parts can look different from the original.
    In Stock
    $12.54
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  • Yard Machines Lawn Mower Handle Foam Grip for MTD 37278 - Part 720-0295

    Grip

    Part #720-0226

    Replaced by #720-0295

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    Manufacturer substitution
    This part replaces 720-0226. Substitute parts can look different from the original.
    In Stock
    $96.37
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  • Screw Shield for MTD 37278 - Part 938-0704

    Screw Shield

    Part #738-0704

    Replaced by #938-0704

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    Manufacturer substitution
    This part replaces 738-0704. Substitute parts can look different from the original.
    In Stock
    $23.27
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  • Ball Bearing for MTD 37278 - Part 941-0484

    Ball Bearing

    Part #741-0484

    Replaced by #941-0484

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    Manufacturer substitution
    This part replaces 741-0484. Substitute parts can look different from the original.
    In Stock
    $11.51
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  • Hex Screw for MTD 37278 - Part 910-0429

    Screw

    Part #710-0429

    Replaced by #910-0429

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    Manufacturer substitution
    This part replaces 710-0429. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $6.71
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  • Lawn & Garden Equipment Washer for MTD 37278 - Part 936-0108

    Flat Washer

    Part #736-0108

    Replaced by #936-0108

    Info Icon
    Manufacturer substitution
    This part replaces 736-0108. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $34.41
    Minus Item
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    Plus Item
  • Craftsman Lawn Mower Height Adjuster Knob for MTD 37278 - Part 731-13116-1

    Knob

    Part #720-0190

    Replaced by #731-13116-1

    Info Icon
    Manufacturer substitution
    This part replaces 720-0190. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $44.09
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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.

View all

Why does my lawn mower vibrate a lot?

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

Read more

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…

Read more

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…

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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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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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