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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
Impeller
Part #684-04057AReplaced by #684-04057C-0637
Manufacturer substitutionThis part replaces 684-04057A. Substitute parts can look different from the original.
Oversize itemThis part exceeds standard shipping size or weight limits, so an additional oversize shipping charge will apply. Oversize shipping surcharges are not eligible for any discounts or promotions. It will be shown in your order total at checkout.In Stock$61.5938% OFF Was : $99.01
Qty
Chute
Part #731-06440Replaced by #731-06440A
Manufacturer substitutionThis part replaces 731-06440. Substitute parts can look different from the original.Oversize itemThis part exceeds standard shipping size or weight limits, so an additional oversize shipping charge will apply. Oversize shipping surcharges are not eligible for any discounts or promotions. It will be shown in your order total at checkout.In Stock$65.898% OFF Phone Price : $71.89QtyDrive system diagram
Return Brake
Part #732-0264Replaced by #932-0264
Manufacturer substitutionThis part replaces 732-0264. Substitute parts can look different from the original.This item is not returnableIn Stock$7.1212% OFF Phone Price : $8.12QtySpring
Part #732-04238Replaced by #732-04238B
Manufacturer substitutionThis part replaces 732-04238. Substitute parts can look different from the original.This item is not returnableIn Stock$9.999% OFF Phone Price : $10.99QtyDrive system diagram
Mtd Snowblower Engine Half Pulley
Part #756-04113Replaced by #756-06563
Manufacturer substitutionThis part replaces 756-04113. Substitute parts can look different from the original.In Stock$30.17QtyAuger & housing diagram
Worm Gear
Part #717-04449Replaced by #917-04861
Manufacturer substitutionThis part replaces 717-04449. Substitute parts can look different from the original.In Stock$54.1210% OFF Phone Price : $60.12QtyDrive system diagram
Friction Wheel
Part #684-04153Replaced by #684-04153C
Manufacturer substitutionThis part replaces 684-04153. Substitute parts can look different from the original.In Stock$114.1710% OFF Phone Price : $126.17QtyUpper Handle
Part #749-04190AReplaced by #749-04190A-0637
Manufacturer substitutionThis part replaces 749-04190A. Substitute parts can look different from the original.In Stock$69.618% OFF Phone Price : $75.61QtyK style panel diagram
Panel Handle
Part #631-04186Replaced by #931-05348A
Manufacturer substitutionThis part replaces 631-04186. Substitute parts can look different from the original.In Stock$132.52QtyKnob Wing Nut
Part #720-0284Replaced by #720-04072A
Manufacturer substitutionThis part replaces 720-0284. Substitute parts can look different from the original.In Stock$11.2315% OFF Phone Price : $13.23Qty
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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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