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Husqvarna 55R21HVB lawn mower Parts

Here are the diagrams and repair parts for Husqvarna 55R21HVB lawn mower, as well as links to manuals and error code tables, if available.

Husqvarna 55R21HVB lawn mower
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Browse Parts for 55R21HVB Walk-Behind Mowers

  • Ryobi Lawn Mower O-ring for Husqvarna 55R21HVB - Part 532197480

    Wheels/tires/belt/drive cover diagram

    O-ring

    Part #532188152

    Replaced by #532197480

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    Manufacturer substitution
    This part replaces 532188152. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $4.17
    19% OFF Phone Price : $5.17Info Icon
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  • Lawn Mower Discharge Chute Hinge Rod for Husqvarna 55R21HVB - Part 532183445

    Lawn Mower Discharge Chute Hinge Rod

    Part #532183445
    In Stock
    $11.11
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  • Lawn Mower Screw, 12 X 5/8-in for Husqvarna 55R21HVB - Part 532163409

    Wheels/tires/belt/drive cover diagram

    Lawn Mower Screw, 12 X 5/8-in

    Part #532163409
    This item is not returnable
    In Stock
    $5.54
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  • Bushing.front.torque.shaft for Husqvarna 55R21HVB - Part 532183438

    Wheels/tires/belt/drive cover diagram

    Bushing.front.torque.shaft

    Part #532183438
    This item is not returnable
    In Stock
    $9.79
    9% OFF Phone Price : $10.79Info Icon
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  • Lawn Mower Idler Pulley for Husqvarna 55R21HVB - Part 532166043

    Wheels/tires/belt/drive cover diagram

    Lawn Mower Idler Pulley

    Part #532166043
    In Stock
    $96.70
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  • Klip Ring for Husqvarna 55R21HVB - Part 812000039

    Gearcase diagram

    Klip Ring

    Part #812000039
    This item is not returnable
    In Stock
    $9.26
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  • Husqvarna Lawn Mower Grass Bag for Husqvarna 55R21HVB - Part 532410670

    Engine/housing/bag/handle/chute diagram

    Gbag.5723237

    Part #532190577

    Replaced by #532410670

    Info Icon
    Manufacturer substitution
    This part replaces 532190577. Substitute parts can look different from the original.
    In Stock
    $64.99
    18% OFF Was : $79.29Info Icon
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  • Lever, Selector, Height, Rear for Husqvarna 55R21HVB - Part 532188508

    Wheels/tires/belt/drive cover diagram

    Selector Lever

    Part #532190520

    Replaced by #532188508

    Info Icon
    Manufacturer substitution
    This part replaces 532190520. Substitute parts can look different from the original.
    In Stock
    $14.83
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  • Husqvarna Lawn Mower Grass Bag Door for Husqvarna 55R21HVB - Part 583708701

    Engine/housing/bag/handle/chute diagram

    Grass Bag Door

    Part #532190581

    Replaced by #583708701

    Info Icon
    Manufacturer substitution
    This part replaces 532190581. Substitute parts can look different from the original.
    In Stock
    $70.55
    8% OFF Phone Price : $76.55Info Icon
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  • Husqvarna Lawn Mower Blade Adapter for Husqvarna 55R21HVB - Part 532186766

    Engine/housing/bag/handle/chute diagram

    Blade Adapter

    Part #532183428

    Replaced by #532186766

    Info Icon
    Manufacturer substitution
    This part replaces 532183428. Substitute parts can look different from the original.
    In Stock
    $40.48
    13% OFF Phone Price : $46.48Info Icon
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Most common symptoms to help you fix your walk-behind mowers

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

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Why does my lawn mower run rough?

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

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Why won't my lawn mower start?

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

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Why does my lawn mower vibrate a lot?

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

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Why does my lawn mower cut unevenly?

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

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Why does my lawn mower stall?

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

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Why won't my lawn mower move?

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

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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.

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How to replace a lawn mower front deck tray

How to replace a lawn mower front deck tray

Learn how to replace the front deck tray on your lawn mower if it's cracked or damaged.…

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Repair time and Difficulty

 60 minutes or less
How to replace a lawn mower transmission

How to replace a lawn mower transmission

Learn how to replace the transmission on your lawn mower if it's locked up or won't drive the wheels.…

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Repair time and Difficulty

 60 minutes or less
How to replace a lawn mower flywheel key on a flathead engine

How to replace a lawn mower flywheel key on a flathead engine

When you hit a hard object with your mower, the flywheel can shear to protect more expensive components. Learn how to re…

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Repair time and Difficulty

 45 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.

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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…

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Is it time to switch to an electric lawn mower?

Is it time to switch to an electric lawn mower?

See a comparison of cordless lawn mowers and gas mowers so you can decide which is best for you.…

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Tapping into a new feature in the Search Bar on Sears PartsDirect

Tapping into a new feature in the Search Bar on Sears PartsDirect

Learn about a new feature added to the Search Bar on Sears PartsDirect…

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