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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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Showing 10 of 117 parts  |
Filter 56679
#117

Frame components assembly diagram

Filter

Part #56679

Replaced by #394358S

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Manufacturer substitution
This part replaces 56679. Substitute parts can look different from the original.
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This item is not returnable
$6.47 | 
13% OFF Phone Price : $7.47
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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.
$10.93 | 
15% OFF Phone Price : $12.93
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Boot Spring 308146
#743

Handle assembly diagram

Boot spring

Part #308146

Replaced by #308146MA

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Manufacturer substitution
This part replaces 308146. Substitute parts can look different from the original.
$10.97 | 
15% OFF Phone Price : $12.97
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Nut, 1/4-20 782585
Nut, 1/4-20

Part #782585

Replaced by #703251

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Manufacturer substitution
This part replaces 782585. Substitute parts can look different from the original.
$8.07 | 
11% OFF Phone Price : $9.07
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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
Extension Cord 56023
#930

Electric starter diagram

Extension cord

Part #56023

Replaced by #56023MA

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Manufacturer substitution
This part replaces 56023. Substitute parts can look different from the original.
$37.83 | 
14% OFF Phone Price : $43.83
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Bolt, 5/16-1 340720
#871

Chute rod assembly diagram

Bolt, 5/16-1

Part #340720

Replaced by #703225

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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
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Snowblower Formed Washer 311936
#763

Handle assembly diagram

Snowblower formed washer

Part #311936

Replaced by #311936MA

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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
Blade 302565
#520-02

Auger housing diagram

Blade

Part #302565

Replaced by #302565MA

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Manufacturer substitution
This part replaces 302565. Substitute parts can look different from the original.

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$30.58 | 
16% OFF Phone Price : $36.58
In Stock
Mp Hdl, Upr. 333919-853
#760

Handle assembly diagram

Mp hdl, upr.

Part #333919-853

Replaced by #1742109HYP

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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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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 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 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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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 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 start?

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

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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 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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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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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 replace a snowblower auger drive cable

How to replace a snowblower auger drive cable

A loose or snapped auger drive cable can prevent the auger from rotating. Follow this step-by-step guide to replace the …

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a snowblower friction disc

How to replace a snowblower friction disc

The friction disc is one of the components of the drive system. If it's worn or damaged, the snowblower won't self-prope…

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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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