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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

  • Bracket, Ups for Husqvarna 55R21HVB - Part 532125203

    Engine/housing/bag/handle/chute diagram

    Bracket, Ups

    Part #532125203

    The manufacturer no longer makes this part, and there's no substitute part

  • Blade, 21" for Husqvarna 55R21HVB - Part 532187183

    Engine/housing/bag/handle/chute diagram

    Blade, 21"

    Part #532187183

    The manufacturer no longer makes this part, and there's no substitute part

  • Mulcher Door for Husqvarna 55R21HVB - Part 532190515

    Engine/housing/bag/handle/chute diagram

    Mulcher Door

    Part #532190515

    The manufacturer no longer makes this part, and there's no substitute part

  • Needle Bearing for Husqvarna 55R21HVB - Part 532160818

    Gearcase diagram

    Needle Bearing

    Part #532160818

    The manufacturer no longer makes this part, and there's no substitute part

  • Gear, Helical for Husqvarna 55R21HVB - Part 532160679

    Gearcase diagram

    Gear, Helical

    Part #532160679

    The manufacturer no longer makes this part, and there's no substitute part

  • Lh Pinion for Husqvarna 55R21HVB - Part 532188331

    Wheels/tires/belt/drive cover diagram

    Lh Pinion

    Part #532188331

    The manufacturer no longer makes this part, and there's no substitute part

  • Mount Bracket for Husqvarna 55R21HVB - Part 532187097

    Wheels/tires/belt/drive cover diagram

    Mount Bracket

    Part #532187097

    The manufacturer no longer makes this part, and there's no substitute part

  • Lawn Mower Handle Knob for Husqvarna 55R21HVB - Part 532185588

    Engine/housing/bag/handle/chute diagram

    Lawn Mower Handle Knob

    Part #532185588

    The manufacturer no longer makes this part, and there's no substitute part

  • Cotter Pin for Husqvarna 55R21HVB - Part 532065322

    Engine/housing/bag/handle/chute diagram

    Cotter Pin

    Part #532065322

    The manufacturer no longer makes this part, and there's no substitute part

  • Pulley Assembly for Husqvarna 55R21HVB - Part 532184543

    Wheels/tires/belt/drive cover diagram

    Pulley Assembly

    Part #532184543

    The manufacturer no longer makes this part, and there's no substitute part

Most common symptoms to help you fix your walk-behind mowers

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

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

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

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

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

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

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

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 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.…

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.…

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…

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.

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…

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.…

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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