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Craftsman
Front-Engine Lawn Tractor

Model # 502255710 Official Craftsman 8-hp lawn tractor

Here are the diagrams and repair parts for Official Craftsman 502255710 8-hp lawn tractor, as well as links to manuals and error code tables, if available.

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  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

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ALL PARTS
Showing 10 of 233 parts  |
Tire 90589
#61

Drive assembly diagram

Tire

Part #90589

Replaced by #532122075

?
Manufacturer substitution
This part replaces 90589. Substitute parts can look different from the original.
BEST SELLER
$73.61 | 
8% OFF Phone Price : $79.61
In Stock
Bolt STD533107
Bolt

Part #STD533107

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

Switch 24273
#15

Wiring diagram diagram

Switch

Part #24273

Replaced by #5021451SM

?
Manufacturer substitution
This part replaces 24273. Substitute parts can look different from the original.
This item is not returnable
$20.17
In Stock
Pedal 21544
#54

Drive assembly diagram

Pedal

Part #21544

Replaced by #1727261SM

?
Manufacturer substitution
This part replaces 21544. Substitute parts can look different from the original.
This item is not returnable
$17.09 | 
10% OFF Phone Price : $19.09
In Stock
Washer 17X102Z
Washer

Part #17X102Z

Replaced by #703128

?
Manufacturer substitution
This part replaces 17X102Z. Substitute parts can look different from the original.
This item is not returnable
$6.31
In Stock
Bearing 55599
#28

Steering and front axle diagram

Bearing

Part #55599

Replaced by #491334MA

?
Manufacturer substitution
This part replaces 55599. Substitute parts can look different from the original.
$31.60 | 
16% OFF Phone Price : $37.60
In Stock
Lock Washer 18X16
#4

Replacement parts body and chassis diagram

Lock washer

Part #18X16

Replaced by #18X16MA

?
Manufacturer substitution
This part replaces 18X16. Substitute parts can look different from the original.
This item is not returnable
$6.46
In Stock
Cap 21651
#16

Engine diagram

Cap

Part #21651

Replaced by #21651ZMA

?
Manufacturer substitution
This part replaces 21651. Substitute parts can look different from the original.
$13.54
In Stock
Nut 15X100
#60

Mower deck diagram

Nut

Part #15X100

Replaced by #15X100MA

?
Manufacturer substitution
This part replaces 15X100. Substitute parts can look different from the original.
This item is not returnable
$5.99 | 
14% OFF Phone Price : $6.99
In Stock
Spring 166X4
#46

Mower deck diagram

Spring

Part #166X4

Replaced by #166X4MA

?
Manufacturer substitution
This part replaces 166X4. Substitute parts can look different from the original.
$11.80
In Stock

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
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How to rebuild a riding lawn mower carburetor

Get your sputtering carburetor running smoothly in 60 minutes.…

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 60 minutes or less

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Use the advice and tips in these articles and videos to get the most out of your riding mower or lawn tractor.

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