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Murray
Gas Snowblower

Model # 621450X4E Official Murray snow thrower

Here are the diagrams and repair parts for Official Murray 621450X4E snow thrower, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 117 parts  |
Knob Kit 13527
Knob kit

Part #13527

Replaced by #1501260MA

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Manufacturer substitution
This part replaces 13527. Substitute parts can look different from the original.
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$10.93 | 
15% OFF Phone Price : $12.93
In Stock
Boot Spring 308146
#743

Handle assembly diagram

Boot spring

Part #308146

Replaced by #308146MA

?
Manufacturer substitution
This part replaces 308146. Substitute parts can look different from the original.
$10.97 | 
15% OFF Phone Price : $12.97
In Stock
Bearing 577023
#510

Auger housing diagram

Bearing

Part #577023

Replaced by #577023MA

?
Manufacturer substitution
This part replaces 577023. Substitute parts can look different from the original.
$9.59 | 
9% OFF Phone Price : $10.59
In Stock
Scraper 55323
#490

Auger housing diagram

Scraper

Part #55323

Replaced by #55323MA

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Manufacturer substitution
This part replaces 55323. Substitute parts can look different from the original.

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$47.89 | 
11% OFF Phone Price : $53.89
In Stock
Hose Clamp 47345
#114

Frame components assembly diagram

Hose clamp

Part #47345

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

Tire Rim 760713
#660

Wheels diagram

Tire rim

Part #760713

Replaced by #760714MA

?
Manufacturer substitution
This part replaces 760713. Substitute parts can look different from the original.
$25.80 | 
19% OFF Phone Price : $31.80
In Stock
Bolt, 5/16-1 340720
#871

Chute rod assembly diagram

Bolt, 5/16-1

Part #340720

Replaced by #703225

?
Manufacturer substitution
This part replaces 340720. Substitute parts can look different from the original.
This item is not returnable
$6.29 | 
14% OFF Phone Price : $7.29
In Stock
Snowblower Formed Washer 311936
#763

Handle assembly diagram

Snowblower formed washer

Part #311936

Replaced by #311936MA

?
Manufacturer substitution
This part replaces 311936. Substitute parts can look different from the original.
This item is not returnable
$12.71 | 
14% OFF Phone Price : $14.71
In Stock
Lock Nut 1498
Lock nut

Part #1498

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

Mp Hdl, Upr. 333919-853
#760

Handle assembly diagram

Mp hdl, upr.

Part #333919-853

Replaced by #1742109HYP

?
Manufacturer substitution
This part replaces 333919-853. Substitute parts can look different from the original.
$86.55 | 
6% OFF Phone Price : $92.55
In Stock

Symptoms for gas snowblowers

Choose a symptom to see related snowblower repairs.

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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 stop running after a few seconds?

Main causes: dirty carburetor, stale fuel…

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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 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 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 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 doesn't my snowblower auger turn?

Main causes: broken shear pins, worn or loose auger drive belt, auger drive cable failure, damaged auger, bad gear case…

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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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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 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.…

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.…

Read more
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.…

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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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