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MTD 31AM63EF729 snow thrower Parts
Here are the diagrams and repair parts for MTD 31AM63EF729 snow thrower, as well as links to manuals and error code tables, if available.
Owner’s manual
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Browse Parts for31AM63EF729 Snowblowers
Auger & housing diagram
Mtd Lawn & Garden Equipment Plastic Plug
Part #721-0325This item is not returnableIn Stock$8.0011% OFF Phone Price : $9.00
Qty
Mtd Snowblower Pivot Rod
Part #684-04250This item is not returnableIn Stock$23.4820% OFF Phone Price : $29.48QtyAuger & housing diagram
Gearbox
Part #618-04171AReplaced by #918-04171C
Manufacturer substitutionThis part replaces 618-04171A. Substitute parts can look different from the original.In Stock$374.61$12.00 OFF Phone Price : $386.61QtyAuger & housing diagram
Gearbox
Part #618-04172AReplaced by #918-04172C
Manufacturer substitutionThis part replaces 618-04172A. Substitute parts can look different from the original.In Stock$439.20$12.00 OFF Phone Price : $451.20QtyAuger & housing diagram
Snowblower Auger Shaft Bearing Housing
Part #790-00087AReplaced by #790-00087A-0637
Manufacturer substitutionThis part replaces 790-00087A. Substitute parts can look different from the original.This item is not returnableIn Stock$37.2114% OFF Phone Price : $43.21QtyDrive system diagram
Frame Cover
Part #790-00316Replaced by #790-00316-0637
Manufacturer substitutionThis part replaces 790-00316. Substitute parts can look different from the original.In Stock$69.638% OFF Phone Price : $75.63QtyDrive system diagram
Snowblower Belt Cover
Part #731-04792AReplaced by #631-05321
Manufacturer substitutionThis part replaces 731-04792A. Substitute parts can look different from the original.In Stock$38.1514% OFF Phone Price : $44.15QtyAuger & housing diagram
Gearbox
Part #618-04173AReplaced by #918-04173B
Manufacturer substitutionThis part replaces 618-04173A. Substitute parts can look different from the original.In Stock$284.95$12.00 OFF Phone Price : $296.95QtyMtd Snowblower Push Nut
In Stock$30.75QtyLawn & Garden Equipment Screw
In Stock$30.13Qty
RECOMMENDED MAINTENANCE PARTS AND ACCESSORIES
Snowblower Headlight Lens Decal
In Stock
$37.18
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Most common symptoms to help you fix your snowblowers
Choose a symptom to see related snowblower repairs.
Main causes: dirty carburetor, clogged fuel filter, dirty spark plug, incorrect valve lash, leaky engine gaskets...
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...
Main causes: dirty carburetor, stale fuel...
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: clogged chute, snow build-up in auger housing, broken auger shear pins, auger drive belt needs adjustment, ...
Main causes: snow build-up in chute, chute drive mechanism failure, bad chute control assembly...
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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