Automotive

Model # 3974 Official Craftsman winch

Here are the diagrams and repair parts for Official Craftsman 3974 winch, as well as links to manuals and error code tables, if available.

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Browse Parts for
3974 Winch
Washer 418223
#13

Unit diagram

Washer

Part #418223

The manufacturer no longer makes this part, and there's no substitute part

Spacer 362235
#3

Unit diagram

Spacer

Part #362235

The manufacturer no longer makes this part, and there's no substitute part

Cap Screw 414765
#7

Unit diagram

Cap screw

Part #414765

The manufacturer no longer makes this part, and there's no substitute part

Cap Screw 414316
#5

Unit diagram

Cap screw

Part #414316

The manufacturer no longer makes this part, and there's no substitute part

Nut 418069
#9

Unit diagram

Nut

Part #418069

The manufacturer no longer makes this part, and there's no substitute part

Lock Washer 418249
#14

Unit diagram

Lock washer

Part #418249

The manufacturer no longer makes this part, and there's no substitute part

Nut 418099
#10

Unit diagram

Nut

Part #418099

The manufacturer no longer makes this part, and there's no substitute part

Grommet 472017
#16

Unit diagram

Grommet

Part #472017

The manufacturer no longer makes this part, and there's no substitute part

Brkt Rh 312405
#1

Unit diagram

Brkt rh

Part #312405

The manufacturer no longer makes this part, and there's no substitute part

Nut 418035
#8

Unit diagram

Nut

Part #418035

The manufacturer no longer makes this part, and there's no substitute part

Symptoms for gas snowblowers

Choose a symptom to see related snowblower repairs.

Main causes: punctured tire, damaged rim…

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Main causes: dirty carburetor, clogged fuel filter, dirty spark plug, incorrect valve lash, leaky engine gaskets…

Main causes: stale gas, clogged carburetor, clogged or broken fuel line, dirty spark plug, bad rewind starter, incorrect…

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: clogged chute, damaged auger blades, broken shear pins, worn auger belt, damaged gear case, engine problems…

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…

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How to replace a snowblower chute control gearbox assembly

How to replace a snowblower chute control gearbox assembly

Replace the chute control gearbox on your snowblower if it's stripped or damaged.…

Repair difficulty
Time required
 15 minutes or less

Articles and videos for gas snowblowers

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Snowblower won't blow snow: troubleshooting chute and auger issues video

Snowblower won't blow snow: troubleshooting chute and auger issues video

Find out how to clear chute obstructions, replace shear pins and adjust or replace your auger engagement cable if your s…

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Snowblower won’t start – 4 easy DIY fixes

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Find the right carburetor assembly for a Craftsman snowblower, tiller or log splitter

Find the right carburetor assembly for a Craftsman snowblower, tiller or log splitter

This chart will help you find the right carburetor for your Craftsman snowblower, tiller or log splitter.…