Gas Snowblower

Model # 31AM5CSF799 Official MTD snow thrower

Here are the diagrams and repair parts for Official MTD 31AM5CSF799 snow thrower, as well as links to manuals and error code tables, if available.

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31AM5CSF799 Snowblowers
Lawn & Garden Equipment Cotter Pin, 1/4- To 5/16-in 714-04040
Lawn & garden equipment cotter pin, 1/4- to 5/16-in

Part #714-04040

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This item is not returnable
$2.82
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Mtd Snowblower Auger Clutch Cable (replaces 946-04230a) 946-04230B
#17

Auger & housing/gearbox diagram

Mtd snowblower auger clutch cable (replaces 946-04230a)

Part #946-04230B

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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
#20

Upper handle/handle panel diagram

Snowblower steering control trigger

Part #731-06113

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Lawn & Garden Equipment Belt 954-04260
#56

Upper handle/handle panel diagram

Lawn & garden equipment belt

Part #954-04260

Replaced by #490-501-Y005

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Manufacturer substitution
This part replaces 954-04260. Substitute parts can look different from the original.
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Snowblower Scraper Blade 790-00121-4044
#35

Auger & housing/gearbox diagram

Snowblower scraper blade

Part #790-00121-4044

Replaced by #790-00121-0637

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Manufacturer substitution
This part replaces 790-00121-4044. Substitute parts can look different from the original.
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Snowblower Speed Selector Cable (replaces 746-04396, 746-04396a) 946-04396A
#29

Upper handle/handle panel diagram

Snowblower speed selector cable (replaces 746-04396, 746-04396a)

Part #946-04396A

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Lawn Tractor Screw (replaces 01000628, 01000865, 1186307, 1186308, 791-180288, 791-683298, 910-0599) 710-0599
#8

Chutes/worm gearbox diagram

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

Part #710-0599

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Snowblower Wing Knob 920-0284
#17

Chutes/worm gearbox diagram

Snowblower wing knob

Part #920-0284

Replaced by #720-04072A

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Manufacturer substitution
This part replaces 920-0284. Substitute parts can look different from the original.
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$9.33
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Snowblower Drive Cable 946-05067
#3

Drive shaft/wheels diagram

Snowblower drive cable

Part #946-05067

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15% OFF Phone Price : $39.77
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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.…

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Top questions about Sears and Sears PartsDirect

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