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Poulan
Gas Walk-Behind Mower

Model # PR450N20S-96112013002 Official Poulan lawn mower

Here are the diagrams and repair parts for Official Poulan PR450N20S-96112013002 lawn mower, as well as links to manuals and error code tables, if available.

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Owner’s manual
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Model diagram and schematic

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ALL PARTS
Showing 10 of 186 parts  |
Lawn Mower Nut 532409148
#37

Lawn mower diagram

Lawn mower nut

Part #532409148

Replaced by #532409149

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Manufacturer substitution
This part replaces 532409148. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$5.31 | 
16% OFF Phone Price : $6.31
In Stock
Lawn Mower Bolt (replaces 191574) 532191574
#7

Lawn mower diagram

Lawn mower bolt (replaces 191574)

Part #532191574

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$7.98 | 
11% OFF Phone Price : $8.98
In Stock
Lawn Mower Blade Adapter (replaces 532850977, 5328509-77, 850977) 581547901
#25

Lawn mower diagram

Lawn mower blade adapter (replaces 532850977, 5328509-77, 850977)

Part #581547901

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$18.44 | 
10% OFF Phone Price : $20.44
In Stock
Lawn Mower Bolt 532401638
#35

Lawn mower diagram

Lawn mower bolt

Part #532401638

Replaced by #596203801

?
Manufacturer substitution
This part replaces 532401638. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$5.31 | 
16% OFF Phone Price : $6.31
In Stock
Craftsman Lawn & Garden Equipment Screw 532178848
#11

Lawn mower diagram

Craftsman lawn & garden equipment screw

Part #532178848

This item is not returnable
$5.31 | 
16% OFF Phone Price : $6.31
In Stock
Husqvarna Lawn Mower Height Adjuster Knob 532087877
#32

Lawn mower diagram

Husqvarna lawn mower height adjuster knob

Part #532087877

This item is not returnable
$5.31 | 
16% OFF Phone Price : $6.31
In Stock
Craftsman Bracket 532430034
#8

Lawn mower diagram

Craftsman bracket

Part #532430034

$10.26
In Stock
Bail.cont.d.straight.push.yell 532447365
#1

Lawn mower diagram

Bail.cont.d.straight.push.yell

Part #532447365

$20.54
In Stock
Selector Spring 532406428
#31

Lawn mower diagram

Selector spring

Part #532406428

Replaced by #532401621

?
Manufacturer substitution
This part replaces 532406428. Substitute parts can look different from the original.
$8.54
In Stock
Decal.intern.4.symbol.curved 532182191
Decal.intern.4.symbol.curved

Part #532182191

This item is not returnable
$5.11
In Stock

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. …

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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…

Read more
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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How to enjoy all the online benefits we offer on our Sears PartsDirect website

How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

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Introducing new technical repair content that we’re developing for the Sears Technical Institute

Introducing new technical repair content that we’re developing for the Sears Technical Institute

Learn about Sears Technical Institute and the advanced technical content being developed for aspiring appliance techs.…

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Top questions about Sears and Sears PartsDirect

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