Poulan
Gas Walk-Behind Mower

Model # PO45N21RH Official Poulan rotary lawn mower

Here are the diagrams and repair parts for Official Poulan PO45N21RH 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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Showing 10 of 60 parts  |

Gbag.2471051 402263
#50

Rotary mower diagram

Gbag.2471051

Part #402263

Replaced by #532410666

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Manufacturer substitution
This part replaces 402263. Substitute parts can look different from the original.
BEST SELLER
$68.54
8% OFF Phone Price : $74.54
In Stock
Lawn Mower Blade Adapter 193825
#57

Rotary mower diagram

Lawn mower blade adapter

Part #193825

Replaced by #581547901

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Manufacturer substitution
This part replaces 193825. Substitute parts can look different from the original.
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$19.36
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Nut 132004
#5

Rotary mower diagram

Nut

Part #132004

Replaced by #582478602

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Manufacturer substitution
This part replaces 132004. Substitute parts can look different from the original.
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$2.64
27% OFF Phone Price : $3.64
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Lawn & Garden Equipment Hinge Screw 88652
#41

Rotary mower 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.
BEST SELLER
This item is not returnable
$5.31
16% OFF Phone Price : $6.31
In Stock
Guide.rope.s 194788
#4

Rotary mower diagram

Guide.rope.s

Part #194788

Replaced by #586122501

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Manufacturer substitution
This part replaces 194788. Substitute parts can look different from the original.
This item is not returnable
$15.59
11% OFF Phone Price : $17.59
In Stock
Walk-behind Lawn Mower Selector Knob 87877
#33

Rotary mower diagram

Walk-behind lawn mower selector knob

Part #87877

Replaced by #532087877

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Manufacturer substitution
This part replaces 87877. Substitute parts can look different from the original.
This item is not returnable
$5.31
16% OFF Phone Price : $6.31
In Stock
American Yard Products Lawn & Garden Equipment Washer (replaces 532088343, 532088348, 5320883-48, 532-088348, 532088384) 88348
#65

Rotary mower diagram

American yard products lawn & garden equipment washer (replaces 532088343, 532088348, 5320883-48, 532-088348, 532088384)

Part #88348

Replaced by #532088348

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Manufacturer substitution
This part replaces 88348. Substitute parts can look different from the original.
This item is not returnable
In Stock
Hex Flange Nut 166785
#35

Rotary mower diagram

Hex flange nut

Part #166785

Replaced by #585802801

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Manufacturer substitution
This part replaces 166785. Substitute parts can look different from the original.
In Stock
Lawn Mower Cable Bracket 86899X004
#13

Rotary mower diagram

Lawn mower cable bracket

Part #86899X004

Replaced by #532430034

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Manufacturer substitution
This part replaces 86899X004. Substitute parts can look different from the original.
In Stock
Walk-behind Lawn Mower Engine Cable 176556
#11

Rotary mower diagram

Walk-behind lawn mower engine cable

Part #176556

Replaced by #532176556

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Manufacturer substitution
This part replaces 176556. Substitute parts can look different from the original.
$26.64
18% OFF Phone Price : $32.64
In Stock

Symptoms for gas 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: uneven wheel height settings, damaged wheel, dull or damaged cutting blade…

Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key…

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: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent…

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 rebuild a lawn mower carburetor

How to rebuild a lawn mower carburetor

The carburetor mixes air with fuel to drive the piston. Rebuild the carburetor if it's clogged or leaks.…

Repair difficulty
Time required
 60 minutes or less
How to replace a lawn mower recoil starter on an OHV engine

How to replace a lawn mower recoil starter on an OHV engine

Replace the recoil starter if it doesn't move when you pull the starter rope.…

Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower wheel

How to replace a lawn mower wheel

Learn how replace a damaged wheel on a walk-behind lawn mower—it's a quick, easy fix.…

Repair difficulty
Time required
 15 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.

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.…

Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

Types of walk-behind mower blades video

Types of walk-behind mower blades video

Learn about the different kinds of mower blades and how to maintain them.…