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MTD 12A-449T402 lawn mower

MTD 12A-449T402 lawn mower Parts

Here are the diagrams and repair parts for MTD 12A-449T402 lawn mower, as well as links to manuals and error code tables, if available.

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Browse Parts for 12A-449T402 Walk-Behind Mowers

  • Screw Shield for MTD 12A-449T402 - Part 738-1002

    Idler/wheel diagram

    Screw Shield

    Part #738-1002

    The manufacturer no longer makes this part, and there's no substitute part

  • Thrust Washer for MTD 12A-449T402 - Part 736-0569

    Idler/wheel diagram

    Thrust Washer

    Part #736-0569

    The manufacturer no longer makes this part, and there's no substitute part

  • Height Adjustment Plate for MTD 12A-449T402 - Part 782-0511A

    Idler/wheel diagram

    Height Adjustment Plate

    Part #782-0511A

    The manufacturer no longer makes this part, and there's no substitute part

  • Idler Bracket for MTD 12A-449T402 - Part 682-0030

    Idler/wheel diagram

    Idler Bracket

    Part #682-0030

    The manufacturer no longer makes this part, and there's no substitute part

  • Brkt Asm-han for MTD 12A-449T402 - Part 682-0516A

    Drive/housing/handle diagram

    Brkt Asm-han

    Part #682-0516A

    The manufacturer no longer makes this part, and there's no substitute part

  • Lawn Mower Transmission Input Shaft for MTD 12A-449T402 - Part 717-1492

    Idler/wheel diagram

    Lawn Mower Transmission Input Shaft

    Part #717-1492

    The manufacturer no longer makes this part, and there's no substitute part

  • Lawn Mower Pivot Bar for MTD 12A-449T402 - Part 14765

    Drive/housing/handle diagram

    Lawn Mower Pivot Bar

    Part #14765

    The manufacturer no longer makes this part, and there's no substitute part

  • Flat Washer for MTD 12A-449T402 - Part 736-0570

    Idler/wheel diagram

    Flat Washer

    Part #736-0570

    The manufacturer no longer makes this part, and there's no substitute part

  • Compression Spring for MTD 12A-449T402 - Part 732-1171

    Drive/housing/handle diagram

    Compression Spring

    Part #732-1171

    The manufacturer no longer makes this part, and there's no substitute part

  • Housing Assembly for MTD 12A-449T402 - Part 618-0299A

    Idler/wheel diagram

    Housing Assembly

    Part #618-0299A

    The manufacturer no longer makes this part, and there's no substitute part

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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