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MTD 11A-510N720 THRU 11A-518N720 lawn mower Parts

Here are the diagrams and repair parts for MTD 11A-510N720 THRU 11A-518N720 lawn mower, as well as links to manuals and error code tables, if available.

MTD 11A-510N720 THRU 11A-518N720 lawn mower
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Browse Parts for 11A-510N720 THRU 11A-518N720 Walk-Behind Mowers

  • Craftsman Troybilt Lawn Mower 21-in Deck Mulching Blade for MTD 11A-510N720 THRU 11A-518N720 - Part 942-0741A

    Replacement parts diagram

    Blade-21" Mu

    Part #742-0741

    Replaced by #942-0741A

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    Manufacturer substitution
    This part replaces 742-0741. Substitute parts can look different from the original.
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    $32.29
    16% OFF Phone Price : $38.29Info Icon
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  • Mtd Lawn Mower Blade Support for MTD 11A-510N720 THRU 11A-518N720 - Part 736-0524B-1

    Replacement parts diagram

    Bell Support

    Part #736-0524A

    Replaced by #736-0524B-1

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    Manufacturer substitution
    This part replaces 736-0524A. Substitute parts can look different from the original.
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    $8.27
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  • Lawn & Garden Equipment Hex Bolt for MTD 11A-510N720 THRU 11A-518N720 - Part 710-1257

    Replacement parts diagram

    Lawn & Garden Equipment Hex Bolt

    Part #710-1257
    This item is not returnable
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    $11.68
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  • Yard Machines Lawn & Garden Equipment Wing Nut for MTD 11A-510N720 THRU 11A-518N720 - Part 720-0279

    Replacement parts diagram

    Yard Machines Lawn & Garden Equipment Wing Nut

    Part #720-0279
    This item is not returnable
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    $8.13
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  • Lawn Mower Rear Skirt for MTD 11A-510N720 THRU 11A-518N720 - Part 731-04998

    Replacement parts diagram

    Flap

    Part #731-1236

    Replaced by #731-04998

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    Manufacturer substitution
    This part replaces 731-1236. Substitute parts can look different from the original.
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    $45.41
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  • Lawn Mower Lower Handle for MTD 11A-510N720 THRU 11A-518N720 - Part 749-0907B-0637

    Replacement parts diagram

    Handle

    Part #749-0907

    Replaced by #749-0907B-0637

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    This part replaces 749-0907. Substitute parts can look different from the original.
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    $76.98
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  • Lawn Tractor Cable Tie for MTD 11A-510N720 THRU 11A-518N720 - Part 726-0178

    Replacement parts diagram

    Cable Tie

    Part #726-0240

    Replaced by #726-0178

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    Manufacturer substitution
    This part replaces 726-0240. Substitute parts can look different from the original.
    This item is not returnable
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    $25.35
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  • Cotter Pin for MTD 11A-510N720 THRU 11A-518N720 - Part 714-0104

    Replacement parts diagram

    Cotter Pin

    Part #714-0104
    In Stock
    $29.61
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  • Troybilt Truss Mach for MTD 11A-510N720 THRU 11A-518N720 - Part 710-1220

    Replacement parts diagram

    Troybilt Truss Mach

    Part #710-1220
    This item is not returnable
    In Stock
    $8.31
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  • Bolt for MTD 11A-510N720 THRU 11A-518N720 - Part 738-0507B

    Bolt

    Part #738-0507B
    This item is not returnable
    In Stock
    $8.09
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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 run rough?

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

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…

Read more

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…

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…

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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.…

Read more

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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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

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