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MTD 31BM63LF704 snow thrower Parts
Here are the diagrams and repair parts for MTD 31BM63LF704 snow thrower, as well as links to manuals and error code tables, if available.
Owner’s manual
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Browse Parts for31BM63LF704 Snowblowers
Auger & housing diagram
Color Needed
Part #684-04265Replaced by #684-04265A-0662
Manufacturer substitutionThis part replaces 684-04265. Substitute parts can look different from the original.In Stock$338.72$12.00 OFF Phone Price : $350.72
Qty
Drive system diagram
Snowblower Wheel Axle Gear
Part #917-04230Replaced by #917-04230B
Manufacturer substitutionThis part replaces 917-04230. Substitute parts can look different from the original.In Stock$55.6940% OFF Was : $92.81QtyAuger & housing diagram
Snowblower Gearbox Assembly
Part #918-04170BReplaced by #918-04170C
Manufacturer substitutionThis part replaces 918-04170B. Substitute parts can look different from the original.In Stock$494.15QtyDrive system diagram
Auger Clutch Cable Guide Bracket
Part #790-00206AReplaced by #790-00206B
Manufacturer substitutionThis part replaces 790-00206A. Substitute parts can look different from the original.This item is not returnableIn Stock$13.9213% OFF Phone Price : $15.92QtyDrive 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 : $126.17QtyShift Lever
Part #790-00311AReplaced by #790-00311C-0637
Manufacturer substitutionThis part replaces 790-00311A. Substitute parts can look different from the original.In Stock$40.7413% OFF Phone Price : $46.74QtyExtended chute diagram
Crank
Part #747-05386Replaced by #747-05386A-0637
Manufacturer substitutionThis part replaces 747-05386. Substitute parts can look different from the original.In Stock$46.4011% OFF Phone Price : $52.40QtyE/f - style panel diagram
Panel Handle
Part #790-00209Replaced by #790-00209A
Manufacturer substitutionThis part replaces 790-00209. Substitute parts can look different from the original.In Stock$78.80QtyDrive system diagram
Mtd Snowblower Wheel Assembly
Part #634-04147A-0911Replaced by #634Z07717-0662
Manufacturer substitutionThis part replaces 634-04147A-0911. Substitute parts can look different from the original.In Stock$157.5931% OFF Was : $227.78QtyDrive system diagram
Bracket
Part #790-00208CReplaced by #790-00208D
Manufacturer substitutionThis part replaces 790-00208C. Substitute parts can look different from the original.This item is not returnableIn Stock$16.3711% OFF Phone Price : $18.37Qty
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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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