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MTD 12A-979L402 lawn mower

MTD 12A-979L402 lawn mower Parts

Here are the diagrams and repair parts for MTD 12A-979L402 lawn mower, as well as links to manuals and error code tables, if available.

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Browse Parts for 12A-979L402 Walk-Behind Mowers

  • Lawn Mower Belt Keeper for MTD 12A-979L402 - Part 782-7598

    Chain/pulley/rear axle/bag diagram

    Lawn Mower Belt Keeper

    Part #782-7598
    This item is not returnable
    In Stock
    $46.31
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  • Ryobi Lawn & Garden Equipment Nut for MTD 12A-979L402 - Part 712-0324

    21" deck/handle/front axle cover diagram

    Ryobi Lawn & Garden Equipment Nut

    Part #712-0324
    This item is not returnable
    In Stock
    $5.61
    15% OFF Phone Price : $6.61Info Icon
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  • Lawn Tractor Screw, 1/4-20 X 5/8-in for MTD 12A-979L402 - Part 710-1652

    Chain/pulley/rear axle/bag diagram

    Lawn Tractor Screw, 1/4-20 X 5/8-in

    Part #710-1652
    This item is not returnable
    In Stock
    $6.26
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  • Lawn Mower Grass Bag Cover for MTD 12A-979L402 - Part 631-0071

    Chain/pulley/rear axle/bag diagram

    Lawn Mower Grass Bag Cover

    In Stock
    $133.40
    8% OFF Phone Price : $145.40Info Icon
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  • Torsion Spring for MTD 12A-979L402 - Part 732-0832

    Chain/pulley/rear axle/bag diagram

    Torsion Spring

    Part #732-0832
    This item is not returnable
    In Stock
    $27.29
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  • Foam Grip - for MTD 12A-979L402 - Part 720-0294A

    21" deck/handle/front axle cover diagram

    Grip

    Part #720-0294

    Replaced by #720-0294A

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    Manufacturer substitution
    This part replaces 720-0294. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $13.46
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  • Door for MTD 12A-979L402 - Part 731-1874A

    21" deck/handle/front axle cover diagram

    Door-chute T

    Part #731-1874

    Replaced by #731-1874A

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    Manufacturer substitution
    This part replaces 731-1874. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $50.22
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  • Kmart Lawn & Garden Equipment Wave Washer for MTD 12A-979L402 - Part 936-0504

    21" deck/handle/front axle cover diagram

    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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  • Mtd Lawn Mower Zone Control Cable for MTD 12A-979L402 - Part 946-0711B

    21" deck/handle/front axle cover diagram

    Drive Cable

    Part #746-0711A

    Replaced by #946-0711B

    Info Icon
    Manufacturer substitution
    This part replaces 746-0711A. Substitute parts can look different from the original.
    In Stock
    $25.01
    36% OFF Was : $38.90Info Icon
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  • Spacer Shield for MTD 12A-979L402 - Part 950-1056

    Chain/pulley/rear axle/bag diagram

    Spacer Shield

    Part #750-1056

    Replaced by #950-1056

    Info Icon
    Manufacturer substitution
    This part replaces 750-1056. Substitute parts can look different from the original.
    In Stock
    $13.03
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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.

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

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

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

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

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

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

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.

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.…

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.…

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…

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.

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…

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…

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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