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Craftsman
Front-Engine Lawn Tractor

Model # 502255781 Official Craftsman riding lawn mower

Here are the diagrams and repair parts for Official Craftsman 502255781 riding 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 239 parts  |
Belt 37X45
#14

Motion drive diagram

Belt

Part #37X45

Replaced by #37X45MA

?
Manufacturer substitution
This part replaces 37X45. Substitute parts can look different from the original.
$59.31
In Stock
Pedal 21544
#29

Motion drive 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
Switch 24273
#16

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
Bearing 55599
#29

Steering system 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
Jackshaft 24578
#5

Blade housing diagram

Jackshaft

Part #24578

Replaced by #424578MA

?
Manufacturer substitution
This part replaces 24578. Substitute parts can look different from the original.
$62.49 | 
9% OFF Phone Price : $68.49
In Stock
Tube 407049
#43A

Motion drive diagram

Tube

Part #407049

Replaced by #407049MA

?
Manufacturer substitution
This part replaces 407049. Substitute parts can look different from the original.
$97.39 | 
11% OFF Phone Price : $109.39
In Stock
Hex Nut 15X61
#24

Steering system diagram

Hex nut

Part #15X61

Replaced by #15X61MA

?
Manufacturer substitution
This part replaces 15X61. Substitute parts can look different from the original.
$16.86
In Stock
Link Assembly 90041
#27

Steering system diagram

Link assembly

Part #90041

Replaced by #90041E701MA

?
Manufacturer substitution
This part replaces 90041. Substitute parts can look different from the original.
$150.00 | 
7% OFF Phone Price : $162.00
In Stock
Grip 55449
#1

Blade housing suspension diagram

Grip

Part #55449

Replaced by #1753233YP

?
Manufacturer substitution
This part replaces 55449. Substitute parts can look different from the original.
This item is not returnable
$10.34 | 
16% OFF Phone Price : $12.34
In Stock
Filter 90840
#8

Engine mount diagram

Filter

Part #90840

Replaced by #845125

?
Manufacturer substitution
This part replaces 90840. Substitute parts can look different from the original.
$9.55 | 
9% OFF Phone Price : $10.55
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.

View all

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

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

Read more

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…

Read more

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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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 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 creep in neutral?

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

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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…

Read more

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

Main causes: faulty battery, bad alternator…

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Most common repair guides to help fix your riding mowers & tractors

These step-by-step repair guides will help you safely fix what’s broken on your riding mower or lawn tractor.

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How to replace a riding lawn mower rear tire

How to replace a riding lawn mower rear tire

Your mower can’t run on a damaged rear tire. Here’s how to install a new one.…

Read more
Repair difficulty
Time required
 60 minutes or less
How to replace a riding lawn mower blade

How to replace a riding lawn mower blade

If a blade on your mower is dull or bent, replace it following the steps in this repair guide.…

Read more
Repair difficulty
Time required
 30 minutes or less
How to replace a riding lawn mower fuel filter

How to replace a riding lawn mower fuel filter

Help your mower run better by replacing the fuel filter during your riding mower's annual tune-up.…

Read more
Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your riding mowers & tractors

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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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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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.…

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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

Check the starter solenoid, starter motor, wiring, battery and engine.…

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