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Poulan
Gas Walk-Behind Mower

Model # PR55N21CHD Official Poulan rotary lawn mower

Here are the diagrams and repair parts for Official Poulan PR55N21CHD 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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ALL PARTS
Showing 10 of 68 parts  |
Lock Nut 83923
#39

Engine/housing/wheels/handle 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 175064
#56

Engine/housing/wheels/handle diagram

Belt, 21-in

Part #175064

Replaced by #532406712

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Manufacturer substitution
This part replaces 175064. Substitute parts can look different from the original.
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$22.13 | 
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Handle Bolt 131959
#6

Engine/housing/wheels/handle diagram

Handle bolt

Part #131959

Replaced by #532191574

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

Engine/housing/wheels/handle 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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Gbag.250c2.b 184781
#67

Engine/housing/wheels/handle diagram

Gbag.250c2.b

Part #184781

Replaced by #532410666

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Manufacturer substitution
This part replaces 184781. Substitute parts can look different from the original.
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$66.54 | 
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Lawn Mower Blade Adapter 851514
#57

Engine/housing/wheels/handle diagram

Lawn mower blade adapter

Part #851514

Replaced by #581547901

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This part replaces 851514. Substitute parts can look different from the original.
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Nut 132004
#73

Engine/housing/wheels/handle diagram

Nut

Part #132004

Replaced by #582478602

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This part replaces 132004. Substitute parts can look different from the original.
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Lawn & Garden Equipment Hinge Screw 88652
#41

Engine/housing/wheels/handle 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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Mulcher Door 165754
#10

Engine/housing/wheels/handle diagram

Mulcher door

Part #165754

Replaced by #532165754

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Manufacturer substitution
This part replaces 165754. Substitute parts can look different from the original.
This item is not returnable
$13.31 | 
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Rope Guide 179585
#4

Engine/housing/wheels/handle diagram

Rope guide

Part #179585

Replaced by #586122501

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Manufacturer substitution
This part replaces 179585. Substitute parts can look different from the original.
This item is not returnable
$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 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 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 move?

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

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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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