Murray
Gas Snowblower

Model #620301X4B Official Murray snow thrower

Here are the diagrams and repair parts for Murray 620301X4B 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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For DIY troubleshooting advice and repair guides, visit our repair help section.

Owner’s manual

    Showing 10 of 116 parts

    Snowblower Chute and Deflector#590

    Discharge chute Diagram

    Chute

    Part #334234
    Replaced by #762222MA
    ?
    Manufacturer substitution
    This part replaces 334234. Substitute parts can look different from the original.
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    $49.99 | 
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    MSRP: $63.00
    Snowblower Chute and Deflector#600

    Discharge chute Diagram

    Deflector

    Part #325847
    Replaced by #762222MA
    ?
    Manufacturer substitution
    This part replaces 325847. Substitute parts can look different from the original.
    BEST SELLER
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    $49.99 | 
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    MSRP: $63.00
    Lawn & Garden Equipment Engine Fuel Line#113

    Frame components Diagram

    Gas line

    Part #327290
    Replaced by #791766
    ?
    Manufacturer substitution
    This part replaces 327290. Substitute parts can look different from the original.
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    Snowblower Nut#489

    Auger housing Diagram

    1/4-20 hex n

    Part #780029
    Replaced by #703232
    ?
    Manufacturer substitution
    This part replaces 780029. Substitute parts can look different from the original.
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    MSRP: $7.50
    Snowblower Wing Bolt

    See All Related Diagrams

    Knob

    Part #57171
    Replaced by #1501260MA
    ?
    Manufacturer substitution
    This part replaces 57171. Substitute parts can look different from the original.
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    Snowblower Nut#483

    Auger housing Diagram

    Lock nut

    Part #73826
    Replaced by #703251
    ?
    Manufacturer substitution
    This part replaces 73826. Substitute parts can look different from the original.
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    Snowblower Nut

    See All Related Diagrams

    Nut, 1/4-20

    Part #782585
    Replaced by #703251
    ?
    Manufacturer substitution
    This part replaces 782585. Substitute parts can look different from the original.
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    Snowblower Drive Cable Spring Boot#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.
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    Snowblower Flange Bearing#510

    Auger housing Diagram

    Bearing

    Part #577023
    Replaced by #577023MA
    ?
    Manufacturer substitution
    This part replaces 577023. Substitute parts can look different from the original.
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    Lawn & Garden Equipment Bolt, 5/16-18 x 3/4-in#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.
    BEST SELLER
    This item is not returnable
    In Stock
    $6.29 | 
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    Phone Price: $7.29

    Symptoms for gas snowblowers

    Choose a symptom to see related snowblower repairs.

    Main causes: clogged chute, damaged auger blades, broken shear pins, worn auger belt, damaged gear case, engine problems
    Things to do: replace the spark plug, change the oil, rebuild the carburetor, adjust valve lash, adjust or replace the belts
    Main causes: punctured tire, damaged rim
    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 valve lash
    Main causes: clogged chute, snow build-up in auger housing, broken auger shear pins, auger drive belt needs adjustment, auger cable problems
    Main causes: loose drive clutch cable, damaged drive clutch cable, worn friction disc, scraper blade scraping the ground, engine problems
    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.

    November 20, 2022
    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 common to all snowblowers

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

    December 12, 2022

    How to adjust the snowblower auger control

    By Lyle Weischwill

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

    December 8, 2022

    How to lubricate a snowblower drive hex shaft video

    By Lyle Weischwill

    This short video shows how to lubricate a snowblower drive hex shaft.

    November 17, 2022

    What are the major parts of a snowblower?

    By Lyle Weischwill

    Learn about major functional parts of your snowblower and when to replace them.