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Craftsman
Gas Snowblower

Model # 917881151 Official Craftsman snow thrower

Here are the diagrams and repair parts for Official Craftsman 917881151 snow thrower, as well as links to manuals and error code tables, if available.

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  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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For DIY troubleshooting advice and repair guides, visit our repair help section.

Owner’s manual
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Model diagram and schematic

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ALL PARTS
Showing 10 of 407 parts  |
Lock Nut 73800500
Lock nut

Part #73800500

Replaced by #596040501

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Manufacturer substitution
This part replaces 73800500. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$5.11
In Stock
Lock Nut 73800600
#4

Control panel/discharge chute diagram

Lock nut

Part #73800600

Replaced by #596322601

?
Manufacturer substitution
This part replaces 73800600. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$5.11
In Stock
Impeller V-belt 184496
#15

Chassis/engine/pulleys diagram

Impeller v-belt

Part #184496

Replaced by #532408007

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Manufacturer substitution
This part replaces 184496. Substitute parts can look different from the original.
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$39.88 | 
13% OFF Phone Price : $45.88
In Stock
Snowblower Auger Worm Gear 174659
#45

Auger housing/impeller assembly diagram

Snowblower auger worm gear

Part #174659

Replaced by #598831601

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Manufacturer substitution
This part replaces 174659. Substitute parts can look different from the original.
$190.44 | 
6% OFF Phone Price : $202.44
In Stock
Gearbox 178878
#57

Auger housing/impeller assembly diagram

Gearbox

Part #178878

Replaced by #598831601

?
Manufacturer substitution
This part replaces 178878. Substitute parts can look different from the original.
$190.44 | 
6% OFF Phone Price : $202.44
In Stock
Cable Lever 178659
#6

Control panel/discharge chute diagram

Cable lever

Part #178659

Replaced by #532428272

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Manufacturer substitution
This part replaces 178659. Substitute parts can look different from the original.
$111.41 | 
10% OFF Phone Price : $123.41
In Stock
Snowblower Hex Screw 74780426
#49

Auger housing/impeller assembly diagram

Snowblower hex screw

Part #74780426

Replaced by #596322101

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Manufacturer substitution
This part replaces 74780426. Substitute parts can look different from the original.
This item is not returnable
$5.11
In Stock
Control Assembly 178674
#3

Control panel/discharge chute diagram

Control assembly

Part #178674

Replaced by #587030801

?
Manufacturer substitution
This part replaces 178674. Substitute parts can look different from the original.
$70.25 | 
8% OFF Phone Price : $76.25
In Stock
Snowblower Extension Spring 178828
#14

Chassis/engine/pulleys diagram

Snowblower extension spring

Part #178828

Replaced by #532178828

?
Manufacturer substitution
This part replaces 178828. Substitute parts can look different from the original.
This item is not returnable
$6.64 | 
13% OFF Phone Price : $7.64
In Stock
Pulley 180523
#20

Chassis/engine/pulleys diagram

Pulley

Part #180523

Replaced by #594095301

?
Manufacturer substitution
This part replaces 180523. Substitute parts can look different from the original.
This item is not returnable
$17.11
In Stock

Symptoms for gas snowblowers

Choose a symptom to see related snowblower repairs.

View all

How do I tune up my snowblower?

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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Why won't my snowblower throw snow far enough?

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

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Why does my snowblower stop running after a few seconds?

Main causes: dirty carburetor, stale fuel…

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What should I do about a damaged snowblower tire?

Main causes: punctured tire, damaged rim…

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Why does my snowblower engine run rough?

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

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Why won't my snowblower start?

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

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Why doesn't my snowblower self propel?

Main causes: loose drive clutch cable, damaged drive clutch cable, worn friction disc, scraper blade scraping the ground…

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Why won't my snowblower chute turn?

Main causes: snow build-up in chute, chute drive mechanism failure, bad chute control assembly…

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Why won't my snowblower clear snow well?

Main causes: clogged chute, snow build-up in auger housing, broken auger shear pins, auger drive belt needs adjustment, …

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Repair guides for gas snowblowers

These step-by-step repair guides will help you safely fix what’s broken on your snowblower.

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How to adjust snowblower engine valve lash

How to adjust snowblower engine valve lash

Adjust the engine valve lash on your snowblower to keep the engine starting and running smoothly.…

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Repair difficulty
Time required
 15 minutes or less
How to adjust snowblower skid shoes

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.…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a snowblower shave plate

How to replace a snowblower shave plate

Follow the 7 easy steps in this repair guide/video to replace a worn out shave plate on your snowblower.…

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Repair difficulty
Time required
 15 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.

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How to make your snowblower last longer

How to make your snowblower last longer

Learn the steps to take to adjust and maintain your snowblower so it lasts longer.…

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Introducing new technical repair content that we’re developing for the Sears Technical Institute

Introducing new technical repair content that we’re developing for the Sears Technical Institute

Learn about Sears Technical Institute and the advanced technical content being developed for aspiring appliance techs.…

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Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

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