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Craftsman
Front-Engine Lawn Tractor

Model # 502256139 Official Craftsman riding lawn mower

Here are the diagrams and repair parts for Official Craftsman 502256139 riding lawn mower, 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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Showing 10 of 222 parts  |
Tire 24399
#63A

Lower half diagram

Tire

Part #24399

Replaced by #532122075

?
Manufacturer substitution
This part replaces 24399. Substitute parts can look different from the original.
BEST SELLER
$73.61 | 
8% OFF Phone Price : $79.61
In Stock
Idler Pulley 20613
Idler pulley

Part #20613

Replaced by #420613MA

?
Manufacturer substitution
This part replaces 20613. Substitute parts can look different from the original.
This item is not returnable
$25.18 | 
19% OFF Phone Price : $31.18
In Stock
Differential Axle 55000
#69

Lower half diagram

Differential axle

Part #55000

Replaced by #794299

?
Manufacturer substitution
This part replaces 55000. Substitute parts can look different from the original.
$154.92
In Stock
Jackshaft 24578
#26

Mower 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
Tie Strap 32618

#NI

All parts diagram

Tie strap

Part #32618

Replaced by #32618MA

?
Manufacturer substitution
This part replaces 32618. Substitute parts can look different from the original.
This item is not returnable
$6.86
In Stock
Transmission 24832PA
Transmission

Part #24832PA

Replaced by #794229D

?
Manufacturer substitution
This part replaces 24832PA. Substitute parts can look different from the original.
$292.34 | 
$12.00 OFF Phone Price : $304.34
In Stock
Switch Key 21064PA
#23

Wiring diagram diagram

Switch key

Part #21064PA

Replaced by #421064MA

?
Manufacturer substitution
This part replaces 21064PA. Substitute parts can look different from the original.
$43.79 | 
12% OFF Phone Price : $49.79
In Stock
Battery Boot 54148
#15

Wiring diagram diagram

Battery boot

Part #54148

Replaced by #54148MA

?
Manufacturer substitution
This part replaces 54148. Substitute parts can look different from the original.
$8.11
In Stock
Spring 165X32
#31

Mower housing diagram

Spring

Part #165X32

Replaced by #165X32SEMA

?
Manufacturer substitution
This part replaces 165X32. Substitute parts can look different from the original.
$26.60
In Stock
Housing 24384
#69

Mower housing diagram

Housing

Part #24384

Replaced by #492574MA

?
Manufacturer substitution
This part replaces 24384. Substitute parts can look different from the original.
$68.99 | 
8% OFF Phone Price : $74.99
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, …

Read more

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…

Read more

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…

Read more

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…

Read more

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

Main causes: faulty battery, bad alternator…

Read more

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.

View all
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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