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Poulan
Front-Engine Lawn Tractor

Model # PR20H42STB Official Poulan tractor

Here are the diagrams and repair parts for Official Poulan PR20H42STB tractor, 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 263 parts  |
Lawn Tractor Tie Rod (replaces 139929, 170257) 171888
#32

Steering assembly diagram

Lawn tractor tie rod (replaces 139929, 170257)

Part #171888

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$32.25 | 
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Lawn Tractor Tire Inner Tube 7152J
#10

Wheels and tires diagram

Lawn tractor tire inner tube

Part #7152J

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

Pinion Gear 170367
#27

Hydro gear transaxle diagram

Pinion gear

Part #170367

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

Fender Decal 172740
#9

Decals diagram

Fender decal

Part #172740

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

Shift Console 169373X428
#89

Drive diagram

Shift console

Part #169373X428

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

Bell Bushing 165850
#150

Drive diagram

Bell bushing

Part #165850

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

Check.plug.a 170365
#23

Hydro gear transaxle diagram

Check.plug.a

Part #170365

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

Wizard Lawn Tractor Battery Terminal Cover (red) 131563
#42

Electrical diagram

Wizard lawn tractor battery terminal cover (red)

Part #131563

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

Lawn Tractor Screw 161464
#54

Chassis diagram

Lawn tractor screw

Part #161464

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

Weed Eater Lawn Tractor Brake Friction Wedge 170423
#81

Hydro gear transaxle diagram

Weed eater lawn tractor brake friction wedge

Part #170423

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

Most common symptoms to help you fix your riding mowers & tractors

Choose a symptom to see related riding mower and lawn tractor repairs.

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How do I charge a dead battery on my riding mower?

Main causes: faulty battery, bad alternator…

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Why does my riding mower deck vibrate?

Main causes: damaged cutting blade, worn deck pulley, damaged mandrel pulley, loose fasteners on mower deck components…

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Why is the steering loose on my riding mower?

Main causes: damaged tie rods, bent or worn wheel spindle, worn front axle, damaged sector gear assembly…

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Why won't my riding mower cut grass?

Main causes: worn or broken blade belt, broken belt idler pulley, blade clutch cable failure, bad PTO switch, damaged ma…

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How do I fix a flat tire on my riding mower?

Main causes: punctured tire or inner tube, leaky valve stem, damaged wheel rim…

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Why is my riding mower leaking oil or gas?

Main causes: engine overfilled with oil, leaky head gasket or sump gasket, damaged carburetor seals, cracked fuel pump, …

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Why does my riding mower run rough or misfire?

Main causes: clogged carburetor, damaged flywheel key, dirty spark plug, stale fuel, improper valve lash, engine needs a…

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Why does my riding mower creep in neutral?

Main causes: shift lever needs adjustment, neutral control needs adjustment…

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Why won't my riding mower move?

Main causes: worn or broken ground drive belt, bad seat switch, transaxle freewheel control engaged, transaxle failure, …

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How to replace the starter motor on a riding lawn mower

If you hear the solenoid click but don’t hear the starter motor spin when you turn the key, follow these steps to replac…

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Repair difficulty
Time required
 30 minutes or less
How to rebuild a riding lawn mower carburetor

How to rebuild a riding lawn mower carburetor

Get your sputtering carburetor running smoothly in 60 minutes.…

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

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Riding lawn mower engine clicks but doesn't turn over video

Riding lawn mower engine clicks but doesn't turn over video

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