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Gas Walk-Behind Mower

Model # RA375N20S Official Rally rotary lawn mower

Here are the diagrams and repair parts for Official Rally RA375N20S rotary lawn mower, as well as links to manuals and error code tables, if available.

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Browse Parts forRA375N20S Walk-Behind Mowers

  • Pipe Fitting 132010
    #27

    Rotary mower diagram

    Pipe fitting

    Part #132010

    Replaced by #532409149

    ?
    Manufacturer substitution
    This part replaces 132010. Substitute parts can look different from the original.
    BEST SELLER
    This item is not returnable
    $2.49
    29% OFF Phone Price : $3.49
    In Stock
  • Lock Nut 751592
    #15

    Rotary mower diagram

    Lock nut

    Part #751592

    Replaced by #596322601

    ?
    Manufacturer substitution
    This part replaces 751592. Substitute parts can look different from the original.
    BEST SELLER
    This item is not returnable
    $5.19
    16% OFF Phone Price : $6.19
    In Stock
  • Washer 61537
    #16

    Rotary mower diagram

    Washer

    Part #61537

    Replaced by #596134901

    ?
    Manufacturer substitution
    This part replaces 61537. Substitute parts can look different from the original.
    BEST SELLER
    This item is not returnable
    $4.56
    18% OFF Phone Price : $5.56
    In Stock
  • Lawn & Garden Equipment Screw 851084
    #32

    Rotary mower diagram

    Lawn & garden equipment screw

    Part #851084

    Replaced by #532851084

    ?
    Manufacturer substitution
    This part replaces 851084. Substitute parts can look different from the original.
    BEST SELLER
    In Stock
  • Lawn & Garden Equipment Lock Nut 73800400
    #6

    Rotary mower diagram

    Lawn & garden equipment lock nut

    Part #73800400

    Replaced by #582478602

    ?
    Manufacturer substitution
    This part replaces 73800400. Substitute parts can look different from the original.
    BEST SELLER
    This item is not returnable
    $2.87
    26% OFF Phone Price : $3.87
    In Stock
  • Nut 132004
    #5

    Rotary mower diagram

    Nut

    Part #132004

    Replaced by #582478602

    ?
    Manufacturer substitution
    This part replaces 132004. Substitute parts can look different from the original.
    BEST SELLER
    This item is not returnable
    $2.87
    26% OFF Phone Price : $3.87
    In Stock
  • Husqvarna Lawn & Garden Equipment Washer 851074
    #29

    Rotary mower diagram

    Husqvarna lawn & garden equipment washer

    Part #851074

    Replaced by #532851074

    ?
    Manufacturer substitution
    This part replaces 851074. Substitute parts can look different from the original.
    BEST SELLER
    This item is not returnable
    In Stock
  • Lawn Mower Blade Adapter 850977
    #34

    Rotary mower diagram

    Lawn mower blade adapter

    Part #850977

    Replaced by #581547901

    ?
    Manufacturer substitution
    This part replaces 850977. Substitute parts can look different from the original.
    BEST SELLER
    $23.98
    20% OFF Phone Price : $29.98
    In Stock
  • Husqvarna Lawn Mower 20-in Deck Blade 145106
    #26

    Rotary mower diagram

    Husqvarna lawn mower 20-in deck blade

    Part #145106

    Replaced by #532145106

    ?
    Manufacturer substitution
    This part replaces 145106. Substitute parts can look different from the original.
    $26.64
    18% OFF Phone Price : $32.64
    In Stock
  • Lawn & Garden Equipment Bolt 150406
    #30

    Rotary mower diagram

    Lawn & garden equipment bolt

    Part #150406

    Replaced by #532150406

    ?
    Manufacturer substitution
    This part replaces 150406. Substitute parts can look different from the original.
    In Stock

Symptoms for gas walk-behind mowers

Choose a symptom to see related walk-behind mower repairs.

Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel…

Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key…

Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent…

Main causes: damaged cutting blade, loose cutting blade, damaged flywheel key, engine needs tune up…

Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, ba…

Main causes: uneven wheel height settings, damaged wheel, dull or damaged cutting blade…

Repair guides for gas walk-behind mowers

These step-by-step repair guides will help you safely fix what’s broken on your walk-behind lawn mower.

How to replace a lawn mower spark plug

How to replace a lawn mower spark plug

Take a few minutes to replace the spark plug during your lawn mower's annual tune-up or if the spark plug is burnt or cr…

Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower drive cable

How to replace a lawn mower drive cable

The drive cable engages the transmission to spin the drive wheels and move the mower across the grass. Replace the drive…

Repair difficulty
Time required
 60 minutes or less
How to replace a lawn mower starter rope

How to replace a lawn mower starter rope

These step-by-step instructions show how to replace a broken starter pull rope on a walk-behind lawn mower.…

Repair difficulty
Time required
 30 minutes or less

Effective articles & videos to help repair your walk-behind mowers

Use the advice and tips in these articles and videos to get the most out of your walk-behind lawn mower.

The best time of day to mow grass (and when you should absolutely not)

The best time of day to mow grass (and when you should absolutely not)

Wondering when to mow your lawn for the best results? Timing matters more than you might think. Discover the best time o…

Top 10 electric lawn and garden tools

Top 10 electric lawn and garden tools

Learn about the top 10 must-have electric lawn & garden tools for 2023…

Types of walk-behind mower blades video

Types of walk-behind mower blades video

Learn about the different kinds of mower blades and how to maintain them.…

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