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Craftsman
Front-Engine Lawn Tractor

Model # 502255640 Official Craftsman 10-hp riding lawn mower

Here are the diagrams and repair parts for Official Craftsman 502255640 10-hp 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 278 parts  |
Belt 37X50
#1

Mower deck diagram

Belt

Part #37X50

Replaced by #37X57MA

?
Manufacturer substitution
This part replaces 37X50. Substitute parts can look different from the original.

Get free shipping with Automatic Reorder

$36.81 | 
14% OFF Phone Price : $42.81
In Stock
Bolt STD533107
Bolt

Part #STD533107

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

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
Tire 55386
#41

Steering system diagram

Tire

Part #55386

Replaced by #55700MA

?
Manufacturer substitution
This part replaces 55386. Substitute parts can look different from the original.
$91.68 | 
6% OFF Phone Price : $97.68
In Stock
Sector Assembly 55041
#28

Steering system diagram

Sector assembly

Part #55041

Replaced by #56236E701MA

?
Manufacturer substitution
This part replaces 55041. Substitute parts can look different from the original.
$180.01 | 
6% OFF Phone Price : $192.01
In Stock
Switch 24273
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
Lock Washer 18X16
#4

Main frame 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
Washer 17X115
#48

Drive system diagram

Washer

Part #17X115

Replaced by #17X115MA

?
Manufacturer substitution
This part replaces 17X115. Substitute parts can look different from the original.
$12.06
In Stock
Nut 15X100
#48

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
Wheel Tire 90599
#46

Steering system diagram

Wheel tire

Part #90599

Replaced by #92303601MA

?
Manufacturer substitution
This part replaces 90599. Substitute parts can look different from the original.
$179.74
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

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

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

Main causes: faulty battery, bad alternator…

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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…

Read more

Why won't my riding mower start?

Main causes: dead battery, stale fuel, bad starter solenoid, ignition system problem, bad ignition interlock switch, clo…

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 does my riding mower creep in neutral?

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

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 my riding mower not cutting evenly?

Main causes: unlevel mower deck, dull or damaged cutting blades, worn mandrel pulleys, bent mower deck, engine needs tun…

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 mandrel assembly on a riding lawn mower

How to replace a mandrel assembly on a riding lawn mower

Replace the mandrel assembly if the blade shaft vibrates or doesn't spin.…

Read more
Repair difficulty
Time required
 30 minutes or less
How to replace the flywheel key on a riding lawn mower

How to replace the flywheel key on a riding lawn mower

If the engine won't restart after hitting a stump or rock, the problem could be a sheared flywheel key. Follow these ste…

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

How to replace a riding lawn mower ignition coil

If you're not getting spark from a good spark plug, the problem could be the ignition coil. Follow these step-by-step in…

Read more
Repair difficulty
Time required
 30 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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