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Gas Snowblower

Model # 31A-32AD729 Official MTD snow thrower

Here are the diagrams and repair parts for Official MTD 31A-32AD729 snow thrower, as well as links to manuals and error code tables, if available.

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Browse Parts for31A-32AD729 Snowblowers

  • Mtd Lawn & Garden Equipment Cotter Pin, 1/4- To 5/16-in 714-04040
    Mtd lawn & garden equipment cotter pin, 1/4- to 5/16-in

    Part #714-04040

    BEST SELLER
    This item is not returnable
    $2.81
    19% OFF Phone Price : $3.49
    In Stock
  • Craftsman Snowblower Shear Pin 738-04124A
    #42

    Auger/housing/discharge chute diagram

    Craftsman snowblower shear pin

    Part #738-04124A

    BEST SELLER
    This item is not returnable
    $2.79
    23% OFF Phone Price : $3.63
    In Stock
  • Yard Machines Lawn & Garden Equipment Lock Nut, 5/16-18 712-04063
    #20

    Auger/housing/discharge chute diagram

    Yard machines lawn & garden equipment lock nut, 5/16-18

    Part #712-04063

    BEST SELLER
    This item is not returnable
    $4.40
    22% OFF Phone Price : $5.67
    In Stock
  • Mtd Toro Lawn & Garden Equipment Carriage Bolt 710-0451
    #3

    Auger/housing/discharge chute diagram

    Mtd toro lawn & garden equipment carriage bolt

    Part #710-0451

    BEST SELLER
    This item is not returnable
    $5.42
    20% OFF Phone Price : $6.76
    In Stock
  • Mtd Lawn And Garden Equipment Nut 712-04064
    Mtd lawn and garden equipment nut

    Part #712-04064

    BEST SELLER
    This item is not returnable
    $4.49
    22% OFF Phone Price : $5.76
    In Stock
  • Bearing 741-0919
    #32

    Auger/housing/discharge chute diagram

    Bearing

    Part #741-0919

    Replaced by #741P0919B

    ?
    Manufacturer substitution
    This part replaces 741-0919. Substitute parts can look different from the original.
    In Stock
  • Lawn Tractor Self-tapping Screw, 5/16-18 X 3/4-in 710-04484
    Lawn tractor self-tapping screw, 5/16-18 x 3/4-in

    Part #710-04484

    BEST SELLER
    This item is not returnable
    $4.93
    20% OFF Phone Price : $6.20
    In Stock
  • Sears Lawn Tractor Screw 710-0627
    #34

    Handle/frame/drive system diagram

    Sears lawn tractor screw

    Part #710-0627

    $6.47
    17% OFF Phone Price : $7.76
    In Stock
  • Lawn Tractor Screw, 1/4-20 X 5/8-in 710-1652
    #16

    Handle/frame/drive system diagram

    Lawn tractor screw, 1/4-20 x 5/8-in

    Part #710-1652

    This item is not returnable
    $5.44
    19% OFF Phone Price : $6.69
    In Stock
  • Yard Machines Lawn & Garden Equipment Bell Washer 736-0242
    #35

    Handle/frame/drive system diagram

    Yard machines lawn & garden equipment bell washer

    Part #736-0242

    $6.58
    16% OFF Phone Price : $7.86
    In Stock

Symptoms for gas snowblowers

Choose a symptom to see related snowblower repairs.

Main causes: punctured tire, damaged rim…

Main causes: dirty carburetor, stale fuel…

Main causes: dirty carburetor, clogged fuel filter, dirty spark plug, incorrect valve lash, leaky engine gaskets…

Main causes: stale gas, clogged carburetor, clogged or broken fuel line, dirty spark plug, bad rewind starter, incorrect…

Main causes: snow build-up in chute, chute drive mechanism failure, bad chute control assembly…

Main causes: loose drive clutch cable, damaged drive clutch cable, worn friction disc, scraper blade scraping the ground…

Main causes: clogged chute, damaged auger blades, broken shear pins, worn auger belt, damaged gear case, engine problems…

Main causes: broken shear pins, worn or loose auger drive belt, auger drive cable failure, damaged auger, bad gear case…

Things to do: replace the spark plug, change the oil, rebuild the carburetor, adjust valve lash, adjust or replace the b…

Repair guides for gas snowblowers

These step-by-step repair guides will help you safely fix what’s broken on your snowblower.

How to replace a snowblower fuel filter

How to replace a snowblower fuel filter

Replace the fuel filter on your snowblower if it's clogged or damaged.…

Repair difficulty
Time required
 15 minutes or less
How to replace a snowblower shave plate

How to replace a snowblower shave plate

Follow the 7 easy steps in this repair guide/video to replace a worn out shave plate on your snowblower.…

Repair difficulty
Time required
 15 minutes or less
How to replace a snowblower chute control gearbox assembly

How to replace a snowblower chute control gearbox assembly

Replace the chute control gearbox on your snowblower if it's stripped or damaged.…

Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your snowblowers

Use the advice and tips in these articles and videos to get the most out of your snowblower.

Snowblower won’t start – 4 easy DIY fixes

Snowblower won’t start – 4 easy DIY fixes

Find easy DIY tips to fix your snowblower when it won't start…

Introducing new technical repair content that we’re developing for the Sears Technical Institute

Introducing new technical repair content that we’re developing for the Sears Technical Institute

Learn about Sears Technical Institute and the advanced technical content being developed for aspiring appliance techs.…

Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

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