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Craftsman 91781921 18" snow blower Parts
Here are the diagrams and repair parts for Craftsman 91781921 18" snow blower, as well as links to manuals and error code tables, if available.
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Browse Parts for 91781921 18" Snow Blower
Main frame diagram
Washer
Part #3340H
The manufacturer no longer makes this part, and there's no substitute part
Main frame diagram
Machine Screw
Part #04630408
The manufacturer no longer makes this part, and there's no substitute part
Main frame diagram
Hub Washer
Part #616A33
The manufacturer no longer makes this part, and there's no substitute part
Main frame diagram
Chain Guard
Part #4092H
The manufacturer no longer makes this part, and there's no substitute part
Drive assembly diagram
Chain
Part #616A57
The manufacturer no longer makes this part, and there's no substitute part
Main frame diagram
Bolt
Part #04760508
The manufacturer no longer makes this part, and there's no substitute part
Main frame diagram
Washer
Part #5013H
The manufacturer no longer makes this part, and there's no substitute part
Drive assembly diagram
Shifter
Part #4584H
The manufacturer no longer makes this part, and there's no substitute part
Main frame diagram
Spacer
Part #4574H
The manufacturer no longer makes this part, and there's no substitute part
Main frame diagram
Clutch Spring
Part #3624H
The manufacturer no longer makes this part, and there's no substitute part
Most common symptoms to help you fix your snowblowers
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…
Effective articles & videos to help repair your snowblowers
If you're looking for the age of you Craftsman snowblower, our guide will help.…
Proper drive control cable tension is key to smooth snowblower operation, and you can learn how to test and adjust it yo…
Avoid costly snowblower repairs this season. Watch how to lubricate the drive hex shaft to prevent friction, improve tra…
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