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Craftsman
Front-Engine Lawn Tractor

Model # 502255631 Official Craftsman 30" riding lawn mower

Here are the diagrams and repair parts for Official Craftsman 502255631 30" riding lawn mower, as well as links to manuals and error code tables, if available.

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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 236 parts  |
E-ring STD581075
#66

Replacement parts drive system diagram

E-ring

Part #STD581075

Replaced by #812000029

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Manufacturer substitution
This part replaces STD581075. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$3.50 | 
22% OFF Phone Price : $4.50
In Stock
Battery 55497
#2

Replacement parts wiring diagram diagram

Battery

Part #55497

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

Solenoid 24285
#9

Replacement parts wiring diagram diagram

Solenoid

Part #24285

Replaced by #7701100MA

?
Manufacturer substitution
This part replaces 24285. Substitute parts can look different from the original.
$29.30 | 
17% OFF Phone Price : $35.30
In Stock
Housing 24384
#42

Replacement parts blade 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
Washer 17X155
#46

Replacement parts blade housing diagram

Washer

Part #17X155

Replaced by #17X166MA

?
Manufacturer substitution
This part replaces 17X155. Substitute parts can look different from the original.
This item is not returnable
$22.49 | 
21% OFF Phone Price : $28.49
In Stock
Screw 26X239
#62

Replacement parts body chassis diagram

Screw

Part #26X239

Replaced by #26X239MA

?
Manufacturer substitution
This part replaces 26X239. Substitute parts can look different from the original.
This item is not returnable
$7.09 | 
12% OFF Phone Price : $8.09
In Stock
Pulley 55452
#2

Replacement parts blade housing diagram

Pulley

Part #55452

Replaced by #774090MA

?
Manufacturer substitution
This part replaces 55452. Substitute parts can look different from the original.
$85.99 | 
7% OFF Phone Price : $91.99
In Stock
Differential Axle 55000
#48

Replacement parts drive system 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
Washer 17X115
#65

Replacement parts 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

Replacement parts blade housing 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

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 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…

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Why won't my riding mower start?

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

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

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

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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…

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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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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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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 move?

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

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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 the seat switch on a riding lawn mower

How to replace the seat switch on a riding lawn mower

Follow the steps in this guide to install a new riding mower seat switch in about 15 minutes.…

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Repair difficulty
Time required
 15 minutes or less
How to replace a riding lawn mower spark plug

How to replace a riding lawn mower spark plug

If the engine is hard to start or if the spark plug electrode is burnt or cracked, take 15 minutes to replace it.…

Read more
Repair difficulty
Time required
 15 minutes or less
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

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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