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MTD
Gas Snowblower

Model # 31AE7H8G799 Official MTD snow thrower

Here are the diagrams and repair parts for Official MTD 31AE7H8G799 snow thrower, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 311 parts  |
Yard Machines Lawn Tractor Flange Nut (replaces 00012173, Wd-129-103) 712-04065
#28

Auger housing/spirals/impeller diagram

Yard machines lawn tractor flange nut (replaces 00012173, wd-129-103)

Part #712-04065

BEST SELLER
This item is not returnable
$5.27
| 
16% OFF Phone Price : $6.27
In Stock
Yard-man Snowblower Shear Bolt (replaces 910-0890a) 710-0890A
#42

Auger housing/spirals/impeller diagram

Yard-man snowblower shear bolt (replaces 910-0890a)

Part #710-0890A

This item is not returnable
$2.55
| 
28% OFF Phone Price : $3.55
In Stock
Lawn & Garden Equipment Hex Head Screw 710-0895
Lawn & garden equipment hex head screw

Part #710-0895

$8.20
| 
11% OFF Phone Price : $9.20
In Stock
Sears Snowblower Chute Flange Keeper Bracket (replaces 706-15718, 731-0851, 784-0851) 731-0851A
#74

Shift arm/handle/handle panel/chute diagram

Sears snowblower chute flange keeper bracket (replaces 706-15718, 731-0851, 784-0851)

Part #731-0851A

This item is not returnable
$5.37
| 
16% OFF Phone Price : $6.37
In Stock
Sears Lawn & Garden Equipment Plastic Plug 721-0325
#10

Gear assembly diagram

Sears lawn & garden equipment plastic plug

Part #721-0325

This item is not returnable
$6.75
| 
13% OFF Phone Price : $7.75
In Stock
Sears Lawn & Garden Equipment Flat Washer 736-0188
#39

Auger housing/spirals/impeller diagram

Sears lawn & garden equipment flat washer

Part #736-0188

This item is not returnable
$6.58
| 
13% OFF Phone Price : $7.58
In Stock
Yard-man Snowblower Belt Cover 731-1324
#2

Belt/belt cover/engine shroud diagram

Yard-man snowblower belt cover

Part #731-1324

This item is not returnable

Get free shipping with Automatic Reorder

$29.40
| 
17% OFF Phone Price : $35.40
In Stock
Lawn & Garden Equipment Carriage Bolt 710-04071
#79

Shift arm/handle/handle panel/chute diagram

Lawn & garden equipment carriage bolt

Part #710-04071

This item is not returnable
$6.87
| 
13% OFF Phone Price : $7.87
In Stock
Snowblower Flange Bearing 741-0662
#15

Gear assembly diagram

Snowblower flange bearing

Part #741-0662

This item is not returnable
$13.37
| 
13% OFF Phone Price : $15.37
In Stock
Ryobi Lawn & Garden Equipment Hex Nut (replaces 912-3010) 712-3010
#10

Shift arm/handle/handle panel/chute diagram

Ryobi lawn & garden equipment hex nut (replaces 912-3010)

Part #712-3010

$7.71
In Stock

Symptoms for gas snowblowers

Choose a symptom to see related snowblower repairs.

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How do I tune up my snowblower?

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

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Why won't my snowblower throw snow far enough?

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

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Why does my snowblower stop running after a few seconds?

Main causes: dirty carburetor, stale fuel...

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What should I do about a damaged snowblower tire?

Main causes: punctured tire, damaged rim...

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Why does my snowblower engine run rough?

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

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Why won't my snowblower start?

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

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Why doesn't my snowblower self propel?

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

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Why won't my snowblower chute turn?

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

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Why won't my snowblower clear snow well?

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

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Repair guides for gas snowblowers

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

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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....

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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....

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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....

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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.

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How to make your snowblower last longer

How to make your snowblower last longer

Learn the steps to take to adjust and maintain your snowblower so it lasts longer....

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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....

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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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