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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Model diagram and schematic

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Showing 10 of 70 parts  |

Lawn Mower Lock Nut, 3/8-in (replaces 409149, 532409148) 532409149
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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Lawn Mower Blade (replaces 594893001) 532406712
#56

Lawn mower diagram

Lawn mower blade (replaces 594893001)

Part #532406712

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Screw 532851084
#53

Lawn mower diagram

Screw

Part #532851084

Replaced by #532435345

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Manufacturer substitution
This part replaces 532851084. Substitute parts can look different from the original.
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Locknut Ti 873970500
#89

Lawn mower diagram

Locknut ti

Part #873970500

Replaced by #596040501

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This part replaces 873970500. Substitute parts can look different from the original.
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Washer 532851074
#55

Lawn mower diagram

Washer

Part #532851074

Replaced by #851074

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Manufacturer substitution
This part replaces 532851074. Substitute parts can look different from the original.
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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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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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Symptoms for gas 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: uneven wheel height settings, damaged wheel, dull or damaged cutting blade…

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: 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 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 blade

How to replace a lawn mower blade

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

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…

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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