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Husqvarna
Gas Walk-Behind Mower

Model # 5521P (96133001804) Official Husqvarna lawn mower

Here are the diagrams and repair parts for Official Husqvarna 5521P-96133001804 lawn mower, as well as links to manuals and error code tables, if available.

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Owner’s manual

Model diagram and schematic

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Showing 10 of 70 parts  |
Lawn Mower Lock Nut, 3/8-in (replaces 409149, 532409148) 532409149
#39

Lawn mower diagram

Lawn mower lock nut, 3/8-in (replaces 409149, 532409148)

Part #532409149

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Lawn Mower Nut 532409148
#61

Lawn mower diagram

Lawn mower nut

Part #532409148

Replaced by #532409149

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Manufacturer substitution
This part replaces 532409148. Substitute parts can look different from the original.
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Weed Eater Lawn Mower Blade (replaces 594893001) 532406712
#56

Lawn mower diagram

Weed eater lawn mower blade (replaces 594893001)

Part #532406712

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Lawn Mower Bolt (replaces 191574) 532191574
#6

Lawn mower diagram

Lawn mower bolt (replaces 191574)

Part #532191574

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Lawn Mower Discharge Deflector 532185595
#31

Lawn mower diagram

Lawn mower discharge deflector

Part #532185595

Replaced by #589482402

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Manufacturer substitution
This part replaces 532185595. Substitute parts can look different from the original.
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Lawn Mower Height Adjuster Knob (replaces 701037, 701037x421) 532701037
#33

Lawn mower diagram

Lawn mower height adjuster knob (replaces 701037, 701037x421)

Part #532701037

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Lawn Mower Rear Skirt (replaces 418655, 590826101) 532416860
#21

Lawn mower diagram

Lawn mower rear skirt (replaces 418655, 590826101)

Part #532416860

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Lawn Mower Blade Adapter (replaces 532850977, 5328509-77, 850977) 581547901
#57

Lawn mower diagram

Lawn mower blade adapter (replaces 532850977, 5328509-77, 850977)

Part #581547901

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Lawn Mower Bolt 532401638
#36

Lawn mower diagram

Lawn mower bolt

Part #532401638

Replaced by #596203801

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This part replaces 532401638. Substitute parts can look different from the original.
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Craftsman Lawn & Garden Equipment Bolt (replaces 17000510) 817000510
#84

Lawn mower diagram

Craftsman lawn & garden equipment bolt (replaces 17000510)

Part #817000510

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Symptoms for gas 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 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 vibrate a lot?

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

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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 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 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…

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

How to replace a lawn mower blade

Check your lawn mower blade regularly and replaced it if it's bent or damaged. …

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Repair difficulty
Time required
 15 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 difficulty
Time required
 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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How to enjoy all the online benefits we offer on our Sears PartsDirect website

How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

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Introducing new technical repair content that we’re developing for the Sears Technical Institute

Introducing new technical repair content that we’re developing for the Sears Technical Institute

Learn about Sears Technical Institute and the advanced technical content being developed for aspiring appliance techs.…

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Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

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