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MTD 31BH55TH799 snow thrower Parts
Here are the diagrams and repair parts for MTD 31BH55TH799 snow thrower, as well as links to manuals and error code tables, if available.
Owner’s manual
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Browse Parts for 31BH55TH799 Snowblowers
Auger housing/spiral assembly diagram
Snowblower Impeller
Part #684-04057B-0637Replaced by #684-04057C-0637
Manufacturer substitutionThis part replaces 684-04057B-0637. Substitute parts can look different from the original.In Stock$67.9031% OFF Was : $99.01
Qty
Chute assembly/gearbox diagram
Snowblower Chute Deflector
Part #731-04427AReplaced by #731-04427B
Manufacturer substitutionThis part replaces 731-04427A. Substitute parts can look different from the original.In Stock$23.71QtyHandles/pulleys/belts diagram
Snowblower Belt Cover
Part #731-06401Replaced by #753-09065
Manufacturer substitutionThis part replaces 731-06401. Substitute parts can look different from the original.In Stock$41.3113% OFF Phone Price : $47.31QtyAuger housing/spiral assembly diagram
Housing, 1" Hex Bearing
Part #790-0534-0637
The manufacturer no longer makes this part, and there's no substitute part
Chute assembly/gearbox diagram
Chute Support Bracket
Part #684-04310A-637
The manufacturer no longer makes this part, and there's no substitute part
Auger housing/spiral assembly diagram
Housing Assy, Auger 30"
Part #684-04267-0681
The manufacturer no longer makes this part, and there's no substitute part
Auger housing/spiral assembly diagram
Key, Hi-pro 3/16 X 5/8
Part #917-0161
The manufacturer no longer makes this part, and there's no substitute part
Decals diagram
Decal
Part #777D21154
The manufacturer no longer makes this part, and there's no substitute part
Decals diagram
Snowblower Decal
Part #777I22363
The manufacturer no longer makes this part, and there's no substitute part
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Snowblower 4-way Chute Decal
Part #777I25002
This item is not returnable
In Stock
$6.83
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Snowblower Headlight Lens Decal
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$16.71
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Snowblower Auger Housing Safety Decal
Part #777S32636
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Most common symptoms to help you fix your snowblowers
Choose a symptom to see related snowblower repairs.
Main causes: clogged chute, damaged auger blades, broken shear pins, worn auger belt, damaged gear case, engine problems…
Things to do: replace the spark plug, change the oil, rebuild the carburetor, adjust valve lash, adjust or replace the b…
Main causes: dirty carburetor, stale fuel…
Main causes: clogged chute, snow build-up in auger housing, broken auger shear pins, auger drive belt needs adjustment, …
Main causes: broken shear pins, worn or loose auger drive belt, auger drive cable failure, damaged auger, bad gear case…
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: dirty carburetor, clogged fuel filter, dirty spark plug, incorrect valve lash, leaky engine gaskets…
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 skid shoes
To prevent snowblower auger and shave plate damage, adjust the skid shoes regularly to keep the shave plate ¼-inch high.…
Repair time and Difficulty
15 minutes or less
How to rebuild a snowblower carburetor
Rebuild the carburetor on your snowblower if the engine isn't getting fuel.…
Repair time and Difficulty
45 minutes or less
How to replace a snowblower 4-way chute control assembly
Replace the 4-way chute control assembly on your snowblower if it’s damaged.…
Repair time and Difficulty
30 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.
Find easy DIY tips to fix your snowblower when it won't start…
Learn about Sears Technical Institute and the advanced technical content being developed for aspiring appliance techs.…
Get answers to frequently asked questions about Sears and Sears PartsDirect.…
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