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Craftsman
Gas Snowblower

Model # 536886121 Official Craftsman snow thrower

Here are the diagrams and repair parts for Official Craftsman 536886121 snow thrower, as well as links to manuals and error code tables, if available.

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Owner’s manual
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Model diagram and schematic

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Showing 10 of 392 parts  |
Snowblower Drive Belt 579932
#9

Engine components diagram

Snowblower drive belt

Part #579932

Replaced by #1733324SM

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Manufacturer substitution
This part replaces 579932. Substitute parts can look different from the original.
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$25.00 | 
19% OFF Phone Price : $31.00
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Snowblower Chute Retainer Ring, Outer 585193
#23

Discharge chute diagram

Snowblower chute retainer ring, outer

Part #585193

Replaced by #585193MA

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Manufacturer substitution
This part replaces 585193. Substitute parts can look different from the original.
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$33.50 | 
15% OFF Phone Price : $39.50
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Snowblower Chute Retainer Ring, Inner 337227
#22

Discharge chute diagram

Snowblower chute retainer ring, inner

Part #337227

Replaced by #337227MA

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Manufacturer substitution
This part replaces 337227. Substitute parts can look different from the original.
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$25.11 | 
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Worm Gear 51405
#12

Gear case diagram

Worm gear

Part #51405

Replaced by #51405MA

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Manufacturer substitution
This part replaces 51405. Substitute parts can look different from the original.
$77.52 | 
7% OFF Phone Price : $83.52
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Lock Nut 1502
Lock nut

Part #1502

Replaced by #703251

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Manufacturer substitution
This part replaces 1502. Substitute parts can look different from the original.
$8.07 | 
11% OFF Phone Price : $9.07
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Gasket 51279
#11

Gear case diagram

Gasket

Part #51279

Replaced by #51279MA

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Manufacturer substitution
This part replaces 51279. Substitute parts can look different from the original.
$21.49 | 
22% OFF Phone Price : $27.49
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Retaining Ring 239
#11

Wheel assembly diagram

Retaining ring

Part #239

Replaced by #1657528SM

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Manufacturer substitution
This part replaces 239. Substitute parts can look different from the original.
$6.89 | 
13% OFF Phone Price : $7.89
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Pulley 313843
#17

Frame components diagram

Pulley

Part #313843

Replaced by #1502120MA

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Manufacturer substitution
This part replaces 313843. Substitute parts can look different from the original.
$34.31 | 
15% OFF Phone Price : $40.31
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Block 304552
#14

Chute control rod diagram

Block

Part #304552

Replaced by #578063MA

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Manufacturer substitution
This part replaces 304552. Substitute parts can look different from the original.
This item is not returnable
$9.39 | 
10% OFF Phone Price : $10.39
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Nut 71038
Nut

Part #71038

Replaced by #703902

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Manufacturer substitution
This part replaces 71038. Substitute parts can look different from the original.
This item is not returnable
$5.56 | 
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Symptoms for gas snowblowers

Choose a symptom to see related snowblower repairs.

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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.…

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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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