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Murray 403131 mower deck Parts

Here are the diagrams and repair parts for Murray 403131 mower deck, as well as links to manuals and error code tables, if available.

Murray 403131 mower deck
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Browse Parts for 403131 Riding Mowers & Tractors

  • Nut for Murray 403131 - Part 703251

    36" mower housing diagram

    Hex Nut

    Part #15X67

    Replaced by #703251

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    Manufacturer substitution
    This part replaces 15X67. Substitute parts can look different from the original.
    In Stock
    $9.54
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  • Woodruff Key for Murray 403131 - Part 20062MA

    36" mower housing diagram

    Woodruff Key

    Part #20062

    Replaced by #20062MA

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    Manufacturer substitution
    This part replaces 20062. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $6.46
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  • Nut for Murray 403131 - Part 703409

    36" mower housing diagram

    Flange Nut

    Part #15X79

    Replaced by #703409

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    Manufacturer substitution
    This part replaces 15X79. Substitute parts can look different from the original.
    In Stock
    $10.66
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  • Nut for Murray 403131 - Part 703914

    36" mower housing diagram

    Keps Nut

    Part #15X66

    Replaced by #703914

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    Manufacturer substitution
    This part replaces 15X66. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $6.63
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  • Jackshaft Hs for Murray 403131 - Part 492574MA

    36" mower housing diagram

    Housing

    Part #20551

    Replaced by #492574MA

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    Manufacturer substitution
    This part replaces 20551. Substitute parts can look different from the original.
    In Stock
    $64.87
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  • Idler Pulley for Murray 403131 - Part 420613MA

    36" mower housing diagram

    Idler Pulley

    Part #20613

    Replaced by #420613MA

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    Manufacturer substitution
    This part replaces 20613. Substitute parts can look different from the original.
    In Stock
    $26.71
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  • Pushnut for Murray 403131 - Part 703948

    36" mower housing diagram

    Push-on-cap

    Part #28X23

    Replaced by #703948

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    Manufacturer substitution
    This part replaces 28X23. Substitute parts can look different from the original.
    In Stock
    $8.26
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  • Pin for Murray 403131 - Part 703312

    36" mower housing diagram

    Cotter Pin

    Part #30X20

    Replaced by #703312

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    Manufacturer substitution
    This part replaces 30X20. Substitute parts can look different from the original.
    In Stock
    $7.60
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  • Belt-4lm-55. for Murray 403131 - Part 37X12MA

    36" mower housing diagram

    Drive Belt

    Part #21649

    Replaced by #37X12MA

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    Manufacturer substitution
    This part replaces 21649. Substitute parts can look different from the original.
    In Stock
    $44.42
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  • Spring-torsi for Murray 403131 - Part 166X4MA

    36" mower housing diagram

    Torsion Spring

    Part #21189

    Replaced by #166X4MA

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    Manufacturer substitution
    This part replaces 21189. Substitute parts can look different from the original.
    In Stock
    $12.97
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Most common symptoms to help you fix your snowblowers

Choose a symptom to see related snowblower repairs.

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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 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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Why does my snowblower stop running after a few seconds?

Main causes: dirty carburetor, stale fuel…

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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 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 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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Repair guides for gas snowblowers

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

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Repair time and Difficulty

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How to rebuild a snowblower carburetor

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How to replace a snowblower 4-way chute control assembly

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

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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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If you're looking for the age of you Craftsman snowblower, our guide will help.…

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How to adjust the snowblower drive control cable video

Proper drive control cable tension is key to smooth snowblower operation, and you can learn how to test and adjust it yo…

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