Poulan
Gas Walk-Behind Mower

Model # PR55Y21CHA Official Poulan rotary lawn mower

Here are the diagrams and repair parts for Official Poulan PR55Y21CHA 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 101 parts  |

Pipe Fitting 132010
#31

Wheels/tires/bag diagram

Pipe fitting

Part #132010

Replaced by #532409149

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Manufacturer substitution
This part replaces 132010. Substitute parts can look different from the original.
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Hex Flange Lock Nut 145212
#9

Wheels/tires/bag diagram

Hex flange lock nut

Part #145212

Replaced by #532409149

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Manufacturer substitution
This part replaces 145212. Substitute parts can look different from the original.
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Lock Nut 83923
#26

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
#47

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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Lawn Mower Wheel Assembly 180767
#11

Wheels/tires/bag diagram

Lawn mower wheel assembly

Part #180767

Replaced by #180775

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Manufacturer substitution
This part replaces 180767. Substitute parts can look different from the original.
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$23.67
21% OFF MSRP : $30.00
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Dust Cover 180504
#14

Wheels/tires/bag diagram

Dust cover

Part #180504

Replaced by #581840401

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Manufacturer substitution
This part replaces 180504. Substitute parts can look different from the original.
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$4.78
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Lawn & Garden Equipment Screw 851084
#50

Engine/housing/wheels/handle diagram

Lawn & garden equipment screw

Part #851084

Replaced by #532435345

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Manufacturer substitution
This part replaces 851084. Substitute parts can look different from the original.
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Handle Bolt 131959
#5

Engine/housing/wheels/handle 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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Lawn & Garden Equipment Washer (replaces 532851074, 5328510-74) 851074
#48

Engine/housing/wheels/handle diagram

Lawn & garden equipment washer (replaces 532851074, 5328510-74)

Part #851074

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Lawn Mower E-ring (replaces 12000057) 12000058
#12

Wheels/tires/bag diagram

Lawn mower e-ring (replaces 12000057)

Part #12000058

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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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