Craftsman
Front-Engine Lawn Tractor

Model # 502256136 Official Craftsman riding lawn mower

Here are the diagrams and repair parts for Official Craftsman 502256136 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 238 parts  |

Tire 24399
#63

Lower half diagram

Tire

Part #24399

Replaced by #532122075

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Manufacturer substitution
This part replaces 24399. Substitute parts can look different from the original.
BEST SELLER
In Stock
Lock Nut STD541431
Lock nut

Part #STD541431

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

Nut 792042
#12

Differential diagram

Nut

Part #792042

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

Idler Pulley 20613
Idler pulley

Part #20613

Replaced by #420613MA

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Manufacturer substitution
This part replaces 20613. Substitute parts can look different from the original.
This item is not returnable
$25.18
17% OFF Phone Price : $30.18
In Stock
Differential Axle 55000
#69

Lower half diagram

Differential axle

Part #55000

Replaced by #794299

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Manufacturer substitution
This part replaces 55000. Substitute parts can look different from the original.
In Stock
Cotter Pin 30X20
#66

Top half diagram

Cotter pin

Part #30X20

Replaced by #703312

?
Manufacturer substitution
This part replaces 30X20. Substitute parts can look different from the original.
This item is not returnable
In Stock
Housing 24384
#51

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
7% OFF Phone Price : $73.99
In Stock
Bolt STD533107
Bolt

Part #STD533107

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

Pinion 778068
#5

Differential diagram

Pinion

Part #778068

Replaced by #778131

?
Manufacturer substitution
This part replaces 778068. Substitute parts can look different from the original.
$32.71
13% OFF Phone Price : $37.71
In Stock
Fuse Holder 407058
#18A

Wiring diagram diagram

Fuse holder

Part #407058

Replaced by #407078MA

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Manufacturer substitution
This part replaces 407058. Substitute parts can look different from the original.
$29.53
14% OFF Phone Price : $34.53
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.

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

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

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

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

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

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

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

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

Main causes: faulty battery, bad alternator…

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.

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.…

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.…

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.…

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.

How to remove a lawn mower blade using a removal tool

How to remove a lawn mower blade using a removal tool

Learn how a blade removal tool makes replacing the blade easier and safer…

Charging a battery in a riding lawn mower video

Charging a battery in a riding lawn mower video

Learn how to use a battery charger if your mower battery is dead.…

Riding mower and tractor common questions

Riding mower and tractor common questions

You might find the answers to your questions about your riding mower or lawn tractor in this list of frequently asked qu…