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Craftsman
Front-Engine Lawn Tractor

Model # 502255623 Official Craftsman riding lawn mower

Here are the diagrams and repair parts for Official Craftsman 502255623 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.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 381 parts  |
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

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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 | 
19% OFF Phone Price : $31.18
In Stock
Sector Assembly 55746
#19

Replacement parts steering system diagram

Sector assembly

Part #55746

Replaced by #56236E701MA

?
Manufacturer substitution
This part replaces 55746. Substitute parts can look different from the original.
$180.01 | 
6% OFF Phone Price : $192.01
In Stock
Switch 24273
#1

Replacement parts 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
Washer 18X33
#3

Replacement parts blade housing suspension diagram

Washer

Part #18X33

Replaced by #18X33MA

?
Manufacturer substitution
This part replaces 18X33. Substitute parts can look different from the original.
This item is not returnable
$7.34
In Stock
Washer 17X48
#20

Replacement parts blade housing suspension diagram

Washer

Part #17X48

Replaced by #17X48MA

?
Manufacturer substitution
This part replaces 17X48. Substitute parts can look different from the original.
$14.77
In Stock
Screw 26X49
Screw

Part #26X49

Replaced by #26X49MA

?
Manufacturer substitution
This part replaces 26X49. Substitute parts can look different from the original.
This item is not returnable
$7.34
In Stock
Washer 10851Z
#79

Replacement parts drive system diagram

Washer

Part #10851Z

Replaced by #10851ZMA

?
Manufacturer substitution
This part replaces 10851Z. Substitute parts can look different from the original.
$9.97
In Stock
Nut 15X100
#48

Replacement parts blade housing suspension 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
Tire 90594
#62

Replacement parts drive system diagram

Tire

Part #90594

Replaced by #90594MA

?
Manufacturer substitution
This part replaces 90594. Substitute parts can look different from the original.
$60.78
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 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…

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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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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…

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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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