Craftsman
Front-Engine Lawn Tractor

Model # 502259120 Official Craftsman lawn mower

Here are the diagrams and repair parts for Official Craftsman 502259120 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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Showing 10 of 226 parts  |

E-ring STD581075
#66

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
Bolt STD533107
Bolt

Part #STD533107

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

Idler Pulley 91178
Idler pulley

Part #91178

Replaced by #420613MA

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Manufacturer substitution
This part replaces 91178. Substitute parts can look different from the original.
This item is not returnable
$25.18
19% OFF Phone Price : $31.18
In Stock
Lock Nut STD541431
Lock nut

Part #STD541431

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

Sector Assembly 55746
#19

Steering system diagram

Sector assembly

Part #55746

Replaced by #56236E701MA

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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 91031SE
#13

Pictorial wiring diagram diagram

Switch

Part #91031SE

Replaced by #91031SEMA

?
Manufacturer substitution
This part replaces 91031SE. Substitute parts can look different from the original.
In Stock
Pin STD624003
#13

Mower housing diagram

Pin

Part #STD624003

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

Screw 26X238
#14

Body and chassis diagram

Screw

Part #26X238

Replaced by #26X238MA

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Manufacturer substitution
This part replaces 26X238. Substitute parts can look different from the original.
This item is not returnable
In Stock
Tire 90594
#62

Drive system diagram

Tire

Part #90594

Replaced by #90594MA

?
Manufacturer substitution
This part replaces 90594. Substitute parts can look different from the original.
In Stock
Belt 37X12
#1

Mower housing diagram

Belt

Part #37X12

Replaced by #37X12MA

?
Manufacturer substitution
This part replaces 37X12. Substitute parts can look different from the original.

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

Main causes: faulty battery, bad alternator…

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

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

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

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

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

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 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.…

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.…

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.…