Craftsman
Gas Snowblower

Model # 917881150 Official Craftsman snow thrower

Here are the diagrams and repair parts for Official Craftsman 917881150 snow thrower, as well as links to manuals and error code tables, if available.

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

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Model diagram and schematic

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ALL PARTS
Showing 10 of 407 parts  |

Lawn & Garden Equipment Lock Nut 73800400
Lawn & garden equipment lock nut

Part #73800400

Replaced by #582478602

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Manufacturer substitution
This part replaces 73800400. Substitute parts can look different from the original.
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$2.64
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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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$37.98
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Nut.flange.5 155377
Nut.flange.5

Part #155377

Replaced by #596039201

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Manufacturer substitution
This part replaces 155377. Substitute parts can look different from the original.
This item is not returnable
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
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Gearbox 178878
#57

Auger housing/impeller assembly diagram

Gearbox

Part #178878

Replaced by #598831601

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Manufacturer substitution
This part replaces 178878. Substitute parts can look different from the original.
$190.44
6% OFF Phone Price : $202.44
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Discharge Base 175322
#13

Auger housing/impeller assembly diagram

Discharge base

Part #175322

Replaced by #585056901

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Manufacturer substitution
This part replaces 175322. Substitute parts can look different from the original.
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$13.31
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Lock Washer 10040500
Lock washer

Part #10040500

Replaced by #596238801

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Manufacturer substitution
This part replaces 10040500. Substitute parts can look different from the original.
This item is not returnable
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Traction Spring 180926
#25

Handles diagram

Traction spring

Part #180926

Replaced by #532180926

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Manufacturer substitution
This part replaces 180926. Substitute parts can look different from the original.
This item is not returnable
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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
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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
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Symptoms for gas snowblowers

Choose a symptom to see related snowblower repairs.

Main causes: punctured tire, damaged rim…

Main causes: dirty carburetor, stale fuel…

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…

Repair guides for gas snowblowers

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

How to replace a snowblower fuel filter

How to replace a snowblower fuel filter

Replace the fuel filter on your snowblower if it's clogged or damaged.…

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.…

Repair difficulty
Time required
 15 minutes or less
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

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.

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.…

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.…

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.…