Murray
Gas Snowblower

Model #621450X4B Murray snow thrower

Here are the diagrams and repair parts for Murray 621450X4B snow thrower, as well as links to manuals and error code tables, if available.


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Showing 10 of 133 parts

Lawn & Garden Equipment Engine Fuel Filter

#117

Frame components Diagram

Lawn & garden equipment engine fuel filter

Part #394358S
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Manufacturer substitution
This part replaces 56679. Substitute parts can look different from the original.
This part replaces 56679
This item is not returnable
$4.60

In Stock

Snowblower Wing Bolt

#604

Chute assembly Diagram

Snowblower wing bolt

Part #1501260MA
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Manufacturer substitution
This part replaces 57171. Substitute parts can look different from the original.
This part replaces 57171
$8.70

In Stock

Snowblower Flange Bearing

#510

Auger housing assembly Diagram

Snowblower flange bearing

Part #577023MA
?
Manufacturer substitution
This part replaces 577023. Substitute parts can look different from the original.
This part replaces 577023
This item is not returnable
$3.93 | 
24% OFF MSRP:$5.20

In Stock

Snowblower Flat Washer

#651

Wheel assembly Diagram

Snowblower flat washer

Part #583409MA
?
Manufacturer substitution
This part replaces 583409. Substitute parts can look different from the original.
This part replaces 583409
This item is not returnable
$2.73 | 
37% OFF MSRP:$4.30

In Stock

Lawn & Garden Equipment Lock Nut

#47

Engine assembly Diagram

Lawn & garden equipment lock nut

Part #41529MA
?
Manufacturer substitution
This part replaces 590. Substitute parts can look different from the original.
This part replaces 590
This item is not returnable
$2.85 | 
25% OFF MSRP:$3.80

In Stock

Warning Hex Decal

#826

Decal assembly Diagram

Warning hex decal

Part #69880MA
?
Manufacturer substitution
This part replaces 69880. Substitute parts can look different from the original.
This part replaces 69880
$14.95

In Stock

Snowblower Auger

#520-2

Auger housing assembly Diagram

Snowblower auger

Part #302565MA
?
Manufacturer substitution
This part replaces 302565. Substitute parts can look different from the original.
This part replaces 302565
$21.46 | 
21% OFF MSRP:$27.00

In Stock

Snowblower Auger Clutch Cable Spring

#744

Handle assembly Diagram

Snowblower auger clutch cable spring

Part #313471MA
?
Manufacturer substitution
This part replaces 313471. Substitute parts can look different from the original.
This part replaces 313471
This item is not returnable
$3.33 | 
23% OFF MSRP:$4.30

In Stock

Snowblower Wheel Axle

#650

Wheel assembly Diagram

Snowblower wheel axle

Part #313678MA
?
Manufacturer substitution
This part replaces 313678. Substitute parts can look different from the original.
This part replaces 313678
$20.02 | 
13% OFF MSRP:$23.00

In Stock

Hex Lock Nut, 1-pack

#147

Top cover assembly Diagram

Hex lock nut, 1-pack

Part #STD541425
?
Manufacturer substitution
This part replaces 271172. Substitute parts can look different from the original.
This part replaces 271172
This item is not returnable
$2.15

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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, clogged fuel filter, dirty spark plug, incorrect valve lash, leaky engine gaskets
Things to do: replace the spark plug, change the oil, rebuild the carburetor, adjust valve lash, adjust or replace the belts
Main causes: loose drive clutch cable, damaged drive clutch cable, worn friction disc, scraper blade scraping the ground, engine problems
Main causes: clogged chute, damaged auger blades, broken shear pins, worn auger belt, damaged gear case, engine problems
Main causes: clogged chute, snow build-up in auger housing, broken auger shear pins, auger drive belt needs adjustment, auger cable problems
Main causes: stale gas, clogged carburetor, clogged or broken fuel line, dirty spark plug, bad rewind starter, incorrect valve lash
Main causes: dirty carburetor, stale fuel
Main causes: snow build-up in chute, chute drive mechanism failure, bad chute control assembly

Repair guides for gas snowblowers

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

December 1, 2015
By Lyle Weischwill
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
December 1, 2015
By Lyle Weischwill
How to rebuild a snowblower carburetor

Rebuild the carburetor on your snowblower if the engine isn't getting fuel.

Repair difficulty
Time required
 45 minutes or less
How to replace a snowblower 4-way chute control assembly

Replace the 4-way chute control assembly on your snowblower if it’s damaged.

Repair difficulty
Time required
 30 minutes or less

Articles and videos for gas snowblowers

Use the advice and tips in these articles and videos to get the most out of your snowblower.

November 1, 2014

How to adjust a snowblower auger control video

By Sears PartsDirect staff

This video shows how to adjust a snowblower's auger control.

November 1, 2014

How to adjust a snowblower drive control video

By Sears PartsDirect staff

Learn how to tighten a snowblower drive control if the drive slips or doesn't engage, and how to loosen it if the snowblower creeps when you disengage the drive.

November 1, 2014

How to adjust a snowblower chute control rod video

By Sears PartsDirect staff

See how to replace the chute control rod on a snowblower.