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Gas Snowblower

Model # 31AH55LH704 Official MTD snow thrower

Here are the diagrams and repair parts for Official MTD 31AH55LH704 snow thrower, as well as links to manuals and error code tables, if available.

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Browse Parts for31AH55LH704 Snowblowers

  • Craftsman Snowblower Shear Pin 738-04124A
    #17

    Auger & auger housing diagram

    Craftsman snowblower shear pin

    Part #738-04124A

    BEST SELLER
    This item is not returnable
    $2.63
    28% OFF Phone Price : $3.63
    In Stock
  • Lawn & Garden Equipment Hex Flange Nut 712-0417A
    #44

    Drive system diagram

    Lawn & garden equipment hex flange nut

    Part #712-0417A

    BEST SELLER
    $8.24
    11% OFF Phone Price : $9.24
    Back Order
  • Yard Machines Lawn & Garden Equipment Lock Nut, 5/16-18 712-04063
    Yard machines lawn & garden equipment lock nut, 5/16-18

    Part #712-04063

    BEST SELLER
    This item is not returnable
    $4.67
    18% OFF Phone Price : $5.67
    Back Order
  • Mtd Toro Lawn & Garden Equipment Carriage Bolt 710-0451
    #5A

    Auger & auger housing diagram

    Mtd toro lawn & garden equipment carriage bolt

    Part #710-0451

    BEST SELLER
    This item is not returnable
    $5.76
    15% OFF Phone Price : $6.76
    In Stock
  • Mtd Yard Machines Lawn Tractor Flange Nut 712-04065
    Mtd yard machines lawn tractor flange nut

    Part #712-04065

    BEST SELLER
    This item is not returnable
    $5.50
    15% OFF Phone Price : $6.50
    In Stock
  • Mtd Snowblower Speed Selector Cable 946-04396A
    #32

    L & q style handle & frame diagram

    Mtd snowblower speed selector cable

    Part #946-04396A

    BEST SELLER
    $29.40
    17% OFF Phone Price : $35.40
    In Stock
  • Mtd Snowblower Ground Drive Belt, 3/8 X 36-1/8-in 954-04201A
    #63

    Drive system diagram

    Mtd snowblower ground drive belt, 3/8 x 36-1/8-in

    Part #954-04201A

    BEST SELLER

    Get free shipping with Automatic Reorder

    $23.24
    21% OFF Phone Price : $29.24
    In Stock
  • Snowblower Wing Knob 920-0284
    Snowblower wing knob

    Part #920-0284

    Replaced by #720-04072A

    ?
    Manufacturer substitution
    This part replaces 920-0284. Substitute parts can look different from the original.
    BEST SELLER
    $9.91
    9% OFF Phone Price : $10.91
    In Stock
  • Yard-man Snowblower Spring 732-04460
    #11

    Auger & auger housing diagram

    Yard-man snowblower spring

    Part #732-04460

    BEST SELLER
    $7.64
    12% OFF Phone Price : $8.64
    In Stock
  • Worm Gear 917-0528A
    #45

    Auger & auger housing diagram

    Worm gear

    Part #917-0528A

    Replaced by #917-04861

    ?
    Manufacturer substitution
    This part replaces 917-0528A. Substitute parts can look different from the original.
    BEST SELLER
    $49.24
    11% OFF Phone Price : $55.24
    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 adjust snowblower skid shoes

How to adjust snowblower skid shoes

To prevent snowblower auger and shave plate damage, adjust the skid shoes regularly to keep the shave plate ¼-inch high.…

Repair difficulty
Time required
 15 minutes or less
How to rebuild a snowblower carburetor

How to rebuild a snowblower carburetor

Rebuild the carburetor on your snowblower if the engine isn't getting fuel.…

Repair difficulty
Time required
 45 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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