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Frigidaire
Gas Walk-Behind Mower

Model # PP55HN21CA Official Frigidaire rotary lawn mower

Here are the diagrams and repair parts for Official Frigidaire PP55HN21CA rotary 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 59 parts  |
Lock Nut 83923
#39

Replacement parts diagram

Lock nut

Part #83923

Replaced by #532409149

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Manufacturer substitution
This part replaces 83923. Substitute parts can look different from the original.
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Belt, 21-in 165833
#56

Replacement parts diagram

Belt, 21-in

Part #165833

Replaced by #532406712

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Manufacturer substitution
This part replaces 165833. Substitute parts can look different from the original.
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Handle Knob 136376
#14

Replacement parts diagram

Handle knob

Part #136376

Replaced by #532185577

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Manufacturer substitution
This part replaces 136376. Substitute parts can look different from the original.
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Handle Bolt 131959
#6

Replacement parts diagram

Handle bolt

Part #131959

Replaced by #532191574

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Manufacturer substitution
This part replaces 131959. Substitute parts can look different from the original.
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Discharge Guard 165760
#31

Replacement parts diagram

Discharge guard

Part #165760

Replaced by #589482402

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Manufacturer substitution
This part replaces 165760. Substitute parts can look different from the original.
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Lawn Mower Blade Adapter 851514
#57

Replacement parts diagram

Lawn mower blade adapter

Part #851514

Replaced by #581547901

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Manufacturer substitution
This part replaces 851514. Substitute parts can look different from the original.
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Lawn & Garden Equipment Hinge Screw 88652
#41

Replacement parts diagram

Lawn & garden equipment hinge screw

Part #88652

Replaced by #532088652

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Manufacturer substitution
This part replaces 88652. Substitute parts can look different from the original.
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Lawn Mower Wheel 146247
#37

Replacement parts diagram

Lawn mower wheel

Part #146247

Replaced by #532151155

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This part replaces 146247. Substitute parts can look different from the original.
$27.28 | 
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Mulcher Door 165754
#10

Replacement parts diagram

Mulcher door

Part #165754

Replaced by #532165754

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This part replaces 165754. Substitute parts can look different from the original.
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Rope Guide 132001
#4

Replacement parts diagram

Rope guide

Part #132001

Replaced by #586122501

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This part replaces 132001. Substitute parts can look different from the original.
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$15.59 | 
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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. …

Read more
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

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