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Briggs & Stratton 300420 TO 300425 (0510 - 0518) gas engine

Briggs & Stratton 300420 TO 300425 (0510 - 0518) gas engine Parts

Here are the diagrams and repair parts for Briggs & Stratton 300420 TO 300425 (0510 - 0518) gas engine, as well as links to manuals and error code tables, if available.

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Browse Parts for 300420 TO 300425 (0510 - 0518) Gas Engine

  • Briggs & Stratton Piston Assembly for Briggs & Stratton 300420 TO 300425 (0510 - 0518) - Part 792365

    #25

    All parts diagram

    Piston Assembly

    Part #390364

    Replaced by #792365

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    Manufacturer substitution
    This part replaces 390364. Substitute parts can look different from the original.
    In Stock
    $219.87
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  • Briggs & Statton Lock Rod Screw for Briggs & Stratton 300420 TO 300425 (0510 - 0518) - Part 690396

    #31

    All parts diagram

    Lock Conn Rd

    Part #221776

    Replaced by #690396

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    Manufacturer substitution
    This part replaces 221776. Substitute parts can look different from the original.
    In Stock
    $33.23
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  • Briggs & Statton Set for Briggs & Stratton 300420 TO 300425 (0510 - 0518) - Part 792368

    #26B

    All parts diagram

    Ring Set

    Part #390505

    Replaced by #792368

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    Manufacturer substitution
    This part replaces 390505. Substitute parts can look different from the original.
    In Stock
    $220.37
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  • Briggs & Statton Lawn & Garden Equipment Engine Piston Pin for Briggs & Stratton 300420 TO 300425 (0510 - 0518) - Part 299691

    #28

    All parts diagram

    Pin Std.

    Part #299691

    Replaced by #299691

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    Manufacturer substitution
    This part replaces 299691. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $52.39
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  • Briggs & Stratton Nozzle-carburetor for Briggs & Stratton 300420 TO 300425 (0510 - 0518) - Part 390950

    #113

    All parts diagram

    Nozzle Carb

    Part #390950

    Replaced by #390950

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    Manufacturer substitution
    This part replaces 390950. Substitute parts can look different from the original.
    In Stock
    $63.25
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  • Briggs & Statton Air Guide for Briggs & Stratton 300420 TO 300425 (0510 - 0518) - Part 291871

    #572

    All parts diagram

    Guide Air

    Part #291871

    Replaced by #291871

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    Manufacturer substitution
    This part replaces 291871. Substitute parts can look different from the original.
    In Stock
    $47.51
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  • Briggs & Stratton Lawn & Garden Equipment Engine Lock Nut for Briggs & Stratton 300420 TO 300425 (0510 - 0518) - Part 691808

    #302

    All parts diagram

    Locknut Ex E

    Part #91310

    Replaced by #691808

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    Manufacturer substitution
    This part replaces 91310. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $36.32
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  • Briggs & Stratton Breather Assembly for Briggs & Stratton 300420 TO 300425 (0510 - 0518) - Part 495738

    #8

    All parts diagram

    Breather Ay

    Part #299328

    Replaced by #495738

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    Manufacturer substitution
    This part replaces 299328. Substitute parts can look different from the original.
    In Stock
    $119.64
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  • Briggs & Statton Governor Spring for Briggs & Stratton 300420 TO 300425 (0510 - 0518) - Part 691790

    #209A

    All parts diagram

    Sprng Gvernr

    Part #260816

    Replaced by #691790

    Info Icon
    Manufacturer substitution
    This part replaces 260816. Substitute parts can look different from the original.
    In Stock
    $41.76
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  • Briggs & Stratton Seal-plunger for Briggs & Stratton 300420 TO 300425 (0510 - 0518) - Part 68768

    #722

    All parts diagram

    Seal Plunger

    Part #68768

    Replaced by #68768

    Info Icon
    Manufacturer substitution
    This part replaces 68768. Substitute parts can look different from the original.
    In Stock
    $53.77
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Symptoms for gas snowblowers

Choose a symptom to see related snowblower repairs.

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

Main causes: punctured tire, damaged rim…

Main causes: snow build-up in chute, chute drive mechanism failure, bad chute control assembly…

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 b…

Main causes: dirty carburetor, stale fuel…

Main causes: clogged chute, snow build-up in auger housing, broken auger shear pins, auger drive belt needs adjustment, …

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

Main causes: loose drive clutch cable, damaged drive clutch cable, worn friction disc, scraper blade scraping the ground…

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 skid shoes

To prevent snowblower auger and shave plate damage, adjust the skid shoes regularly to keep the shave plate ¼-inch high.…

Repair time and Difficulty

 15 minutes or less
How to rebuild a snowblower carburetor

How to rebuild a snowblower carburetor

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

Repair time and Difficulty

 45 minutes or less
How to replace a snowblower 4-way chute control assembly

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 time and Difficulty

 30 minutes or less

Effective articles & videos to help repair your lawn & garden engines

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

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