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Poulan PR55N21CHB rotary lawn mower Parts
Here are the diagrams and repair parts for Poulan PR55N21CHB rotary lawn mower, as well as links to manuals and error code tables, if available.
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Browse Parts for PR55N21CHB Walk-Behind Mowers
Engine/housing/handle/bag/wheels diagram
Hex Flange Nut
Part #166785Replaced by #585802801
Manufacturer substitutionThis part replaces 166785. Substitute parts can look different from the original.This item is not returnableIn Stock$9.26
Qty
Engine/housing/handle/bag/wheels diagram
Nut
Part #132004Replaced by #582478602
Manufacturer substitutionThis part replaces 132004. Substitute parts can look different from the original.This item is not returnableIn Stock$3.3623% OFF Phone Price : $4.36
QtyEngine/housing/handle/bag/wheels diagram
Rear Door As
Part #166875
The manufacturer no longer makes this part, and there's no substitute part
Engine/housing/handle/bag/wheels diagram
Axle Arm
Part #180409X004
The manufacturer no longer makes this part, and there's no substitute part
Engine/housing/handle/bag/wheels diagram
Axle Arm Assembly
Part #167132X004
The manufacturer no longer makes this part, and there's no substitute part
Engine/housing/handle/bag/wheels diagram
Flat Washer
Part #19112206
The manufacturer no longer makes this part, and there's no substitute part
Lawn Mower Height Adjuster Lever
Part #168360X004
The manufacturer no longer makes this part, and there's no substitute part
Engine/housing/handle/bag/wheels diagram
Nut
Part #63124
The manufacturer no longer makes this part, and there's no substitute part
Engine/housing/handle/bag/wheels diagram
Lock Washer
Part #850263
The manufacturer no longer makes this part, and there's no substitute part
Engine/housing/handle/bag/wheels diagram
Lawn Mower Shoulder Bolt
Part #164362
The manufacturer no longer makes this part, and there's no substitute part
Most common symptoms to help you fix your walk-behind mowers
Choose a symptom to see related walk-behind mower repairs.
Main causes: damaged cutting blade, loose cutting blade, damaged flywheel key, engine needs tune up…
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…
Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, ba…
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…
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 front deck tray
Learn how to replace the front deck tray on your lawn mower if it's cracked or damaged.…
Repair time and Difficulty
60 minutes or less
How to replace a lawn mower transmission
Learn how to replace the transmission on your lawn mower if it's locked up or won't drive the wheels.…
Repair time and Difficulty
60 minutes or less
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 time and Difficulty
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.
Wondering when to mow your lawn for the best results? Timing matters more than you might think. Discover the best time o…
Learn about the top 10 must-have electric lawn & garden tools for 2023…
Learn about the different kinds of mower blades and how to maintain them.…
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