Gas Snowblower

Model # 31AM2N1B704 Official MTD snow thrower

Here are the diagrams and repair parts for Official MTD 31AM2N1B704 snow thrower, as well as links to manuals and error code tables, if available.

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Browse Parts for
31AM2N1B704 Snowblowers
Lawn Tractor Screw (replaces 01000628, 01000865, 1186307, 1186308, 791-180288, 791-683298, 910-0599) 710-0599
#3

Drive system/auger diagram

Lawn tractor screw (replaces 01000628, 01000865, 1186307, 1186308, 791-180288, 791-683298, 910-0599)

Part #710-0599

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This item is not returnable
$4.91
17% OFF Phone Price : $5.91
In Stock
Yard Machines Lawn Mower Handle Knob (replaces 01000382, 113589, 720-04072, 720-04125) 720-04072A
Yard machines lawn mower handle knob (replaces 01000382, 113589, 720-04072, 720-04125)

Part #720-04072A

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$9.33
10% OFF Phone Price : $10.33
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Lawn & Garden Equipment Lock Washer 936-0119
#12

Drive system/auger diagram

Lawn & garden equipment lock washer

Part #936-0119

This item is not returnable
$6.05
14% OFF Phone Price : $7.05
In Stock
Aircap Lawn Tractor Screw (replaces 150011, 910-0134) 710-0134
#24

Shroud/chute/handle/auger housing diagram

Aircap lawn tractor screw (replaces 150011, 910-0134)

Part #710-0134

This item is not returnable
$6.55
13% OFF Phone Price : $7.55
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Lawn Tractor Hex Bolt 710-3008
#25

Shroud/chute/handle/auger housing diagram

Lawn tractor hex bolt

Part #710-3008

This item is not returnable
$4.62
18% OFF Phone Price : $5.62
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Snowblower Chute Deflector 731-04426A
#12

Shroud/chute/handle/auger housing diagram

Snowblower chute deflector

Part #731-04426A

Replaced by #731-04426C

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Manufacturer substitution
This part replaces 731-04426A. Substitute parts can look different from the original.
$26.20
19% OFF Phone Price : $32.20
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Sears Lawn Mower Roller Wheel 756-0625
#32

Drive system/auger diagram

Sears lawn mower roller wheel

Part #756-0625

This item is not returnable
$12.00
14% OFF Phone Price : $14.00
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Lawn & Garden Equipment Cable Tie 725-0157
#17

Shroud/chute/handle/auger housing diagram

Lawn & garden equipment cable tie

Part #725-0157

Replaced by #726-0178

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Manufacturer substitution
This part replaces 725-0157. Substitute parts can look different from the original.
This item is not returnable
In Stock
Troybilt Snowblower Auger Paddle (replaces 73504032) 735-04032
#39

Drive system/auger diagram

Troybilt snowblower auger paddle (replaces 73504032)

Part #735-04032

$24.10
20% OFF Phone Price : $30.10
In Stock
Aircap Snowblower Scraper Blade (replaces 14240, 706-14240, 731-0722, 731-0778, 731-0812, 7311033) 731-1033
#22

Shroud/chute/handle/auger housing diagram

Aircap snowblower scraper blade (replaces 14240, 706-14240, 731-0722, 731-0778, 731-0812, 7311033)

Part #731-1033

$58.26
9% OFF Phone Price : $64.26
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Symptoms for gas snowblowers

Choose a symptom to see related snowblower repairs.

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

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

Main causes: dirty carburetor, stale fuel…

Main causes: punctured tire, damaged rim…

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

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

Main causes: clogged chute, snow build-up in auger housing, broken auger shear pins, auger drive belt needs adjustment, …

Repair guides for gas snowblowers

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

How to adjust snowblower engine valve lash

How to adjust snowblower engine valve lash

Adjust the engine valve lash on your snowblower to keep the engine starting and running smoothly.…

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 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

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

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