Poulan
Gas Walk-Behind Mower

Model # PO475N21RA Official Poulan rotary lawn mower

Here are the diagrams and repair parts for Official Poulan PO475N21RA 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 25 parts  |

Screw 851856
#27

Handle/engine/housing/wheels diagram

Screw

Part #851856

The manufacturer no longer makes this part, and there's no substitute part

Lawn Mower Discharge Chute Door 186612
#23

Handle/engine/housing/wheels diagram

Lawn mower discharge chute door

Part #186612

The manufacturer no longer makes this part, and there's no substitute part

Lawn Mower Axle, Left Rear 186576X004
#34

Handle/engine/housing/wheels diagram

Lawn mower axle, left rear

Part #186576X004

The manufacturer no longer makes this part, and there's no substitute part

Lock Washer 850263
#54

Handle/engine/housing/wheels diagram

Lock washer

Part #850263

The manufacturer no longer makes this part, and there's no substitute part

Lawn Mower Handle Bracket 166111X479
#25

Handle/engine/housing/wheels diagram

Lawn mower handle bracket

Part #166111X479

The manufacturer no longer makes this part, and there's no substitute part

Bracket Support 165946X479
#17

Handle/engine/housing/wheels diagram

Bracket support

Part #165946X479

The manufacturer no longer makes this part, and there's no substitute part

Owner's Manual 188964

#NI04

All parts diagram

Owner's manual

Part #188964

The manufacturer no longer makes this part, and there's no substitute part

Lawn Mower Wheel 700263
#37

Handle/engine/housing/wheels diagram

Lawn mower wheel

Part #700263

The manufacturer no longer makes this part, and there's no substitute part

Lawn Mower Handle 169709X479
#2

Handle/engine/housing/wheels diagram

Lawn mower handle

Part #169709X479

The manufacturer no longer makes this part, and there's no substitute part

Axle Arm 186578X004
#20

Handle/engine/housing/wheels diagram

Axle arm

Part #186578X004

The manufacturer no longer makes this part, and there's no substitute part

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.…