Craftsman
Front-Engine Lawn Tractor

Model # 502254180 Official Craftsman 8-hp lawn mower

Here are the diagrams and repair parts for Official Craftsman 502254180 8-hp 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 324 parts  |

E-ring STD581075
#72

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.
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This item is not returnable
$3.50
22% OFF Phone Price : $4.50
In Stock
Battery 56032
#19

Wiring system diagram

Battery

Part #56032

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

Belt 37X65
#54

Drive system diagram

Belt

Part #37X65

Replaced by #37X65MA

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Manufacturer substitution
This part replaces 37X65. Substitute parts can look different from the original.
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$10.47
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Belt 37X57
#1

Mower housing diagram

Belt

Part #37X57

Replaced by #37X57MA

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Manufacturer substitution
This part replaces 37X57. Substitute parts can look different from the original.

Get free shipping with Automatic Reorder

$36.81
14% OFF Phone Price : $42.81
In Stock
Solenoid 24285
#24

Wiring system diagram

Solenoid

Part #24285

Replaced by #7701100MA

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Manufacturer substitution
This part replaces 24285. Substitute parts can look different from the original.
$29.30
17% OFF Phone Price : $35.30
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Bolt STD533107
Bolt

Part #STD533107

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

Key 91275
#5

Wiring system diagram

Key

Part #91275

Replaced by #691959

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Manufacturer substitution
This part replaces 91275. Substitute parts can look different from the original.
This item is not returnable
$11.16
15% OFF Phone Price : $13.16
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Idler Pulley 91178
#6

Mower housing diagram

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
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Lock Nut STD541431
Lock nut

Part #STD541431

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

Lawn Mower Housing 55962E701
#22

Mower housing diagram

Lawn mower housing

Part #55962E701

Replaced by #455962MA

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Manufacturer substitution
This part replaces 55962E701. Substitute parts can look different from the original.
$102.19
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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: unlevel mower deck, dull or damaged cutting blades, worn mandrel pulleys, bent mower deck, engine needs tun…

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

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

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

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

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 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.…

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.…

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.…

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.

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.…

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…