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Poulan PR55R21MCA rotary lawn mower Parts
Here are the diagrams and repair parts for Poulan PR55R21MCA rotary lawn mower, as well as links to manuals and error code tables, if available.
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Browse Parts for PR55R21MCA Walk-Behind Mowers
Engine/housing/handle/bag diagram
Husqvarna Lawn & Garden Equipment Washer
Part #851074Replaced by #532851074
Manufacturer substitutionThis part replaces 851074. Substitute parts can look different from the original.In Stock$8.6310% OFF Phone Price : $9.63
Qty
Engine/housing/handle/bag diagram
Lawn & Garden Equipment Hinge Screw
Part #88652Replaced by #532088652
Manufacturer substitutionThis part replaces 88652. Substitute parts can look different from the original.This item is not returnableIn Stock$5.0317% OFF Phone Price : $6.03QtyWheels/tires diagram
Wave Washer
Part #57143Replaced by #532428450
Manufacturer substitutionThis part replaces 57143. Substitute parts can look different from the original.In Stock$25.60QtyWheels/tires diagram
Washer
Part #52160Replaced by #596040101
Manufacturer substitutionThis part replaces 52160. Substitute parts can look different from the original.This item is not returnableIn Stock$6.4713% OFF Phone Price : $7.47QtyEngine/housing/handle/bag diagram
Nut Lck 5/16
Part #73990500Replaced by #596040501
Manufacturer substitutionThis part replaces 73990500. Substitute parts can look different from the original.In Stock$56.1210% OFF Phone Price : $62.12QtyWheels/tires diagram
Lawn Mower E-ring
Part #12000058Replaced by #812000058
Manufacturer substitutionThis part replaces 12000058. Substitute parts can look different from the original.This item is not returnableIn Stock$6.4713% OFF Phone Price : $7.47QtyEngine/housing/handle/bag diagram
Rope Guide
Part #179585Replaced by #586122501
Manufacturer substitutionThis part replaces 179585. Substitute parts can look different from the original.This item is not returnableIn Stock$18.1210% OFF Phone Price : $20.12QtyEngine/housing/handle/bag diagram
Lawn Mower Spacer
Part #169980Replaced by #532169980
Manufacturer substitutionThis part replaces 169980. Substitute parts can look different from the original.In Stock$28.48QtyEngine/housing/handle/bag diagram
Lawn & Garden Equipment Shoulder Bolt
Part #160829Replaced by #532160829
Manufacturer substitutionThis part replaces 160829. Substitute parts can look different from the original.In Stock$30.28QtyEngine/housing/handle/bag diagram
Husqvarna Lawn Mower Idler Pulley
Part #166042Replaced by #532166042
Manufacturer substitutionThis part replaces 166042. Substitute parts can look different from the original.In Stock$54.46Qty
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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