Gas Snowblower

Model # 31AH95SI799 Official MTD snow thrower

Here are the diagrams and repair parts for Official MTD 31AH95SI799 snow thrower, as well as links to manuals and error code tables, if available.

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Browse Parts for
31AH95SI799 Snowblowers
Yard Machines Lawn Tractor Flange Nut (replaces 00012173, Wd-129-103) 712-04065
Yard machines lawn tractor flange nut (replaces 00012173, wd-129-103)

Part #712-04065

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$5.27
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Snowblower Steering Control Trigger 731-06113
#29

Lower chute/handles diagram

Snowblower steering control trigger

Part #731-06113

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$6.53
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Lawn Tractor Screw (replaces 01000628, 01000865, 1186307, 1186308, 791-180288, 791-683298, 910-0599) 710-0599
#13

Engine/transmission diagram

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

Part #710-0599

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$4.91
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Toro Lawn Tractor Ground Drive Idler Pulley (replaces 756-0981b) 756-04224
#102

Engine/transmission diagram

Toro lawn tractor ground drive idler pulley (replaces 756-0981b)

Part #756-04224

$24.96
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Lawn & Garden Equipment Lock Washer 936-0119
#91

Engine/transmission diagram

Lawn & garden equipment lock washer

Part #936-0119

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$6.05
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Lawn Tractor Tire Valve Stem (replaces 136291, 1718086, 734-0255) 934-0255
#109C

Engine/transmission diagram

Lawn tractor tire valve stem (replaces 136291, 1718086, 734-0255)

Part #934-0255

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$6.76
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Lawn & Garden Equipment Screw, 3/8-16 X 1-3/4-in 710-0347
#86

Engine/transmission diagram

Lawn & garden equipment screw, 3/8-16 x 1-3/4-in

Part #710-0347

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$7.69
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Lawn & Garden Equipment Hex Cap Screw 710-0751
#14

Engine/transmission diagram

Lawn & garden equipment hex cap screw

Part #710-0751

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$5.12
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Snowblower Shoulder Screw 738-04348
#73

Lower chute/handles diagram

Snowblower shoulder screw

Part #738-04348

This item is not returnable
$5.53
15% OFF Phone Price : $6.53
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Snowblower Wheel Axle Gear Key 914-0126
#54

Auger & housing/gear box diagram

Snowblower wheel axle gear key

Part #914-0126

Replaced by #714-0126

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Manufacturer substitution
This part replaces 914-0126. Substitute parts can look different from the original.
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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

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