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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.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • 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 259 parts  |
Shiftgate 56528E601
#14

Drive system diagram

Shiftgate

Part #56528E601

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

Rod 55026E701
#35

Steering system diagram

Rod

Part #55026E701

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

Cover 56401
#28

Body chassis diagram

Cover

Part #56401

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

Fuse 54212
#11

Wiring system diagram

Fuse

Part #54212

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

Yoke 56500Z
#28

Drive system diagram

Yoke

Part #56500Z

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

Riding Lawn Mower Engine 143.406092
#50

Body chassis diagram

Riding lawn mower engine

Part #143.406092

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

Brake Lever 56511E601
Brake lever

Part #56511E601

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

Spacer 55895Z
#8

Mower housing diagram

Spacer

Part #55895Z

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

Decal 44X1067

#NI

All parts diagram

Decal

Part #44X1067

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

Support Brake 56567E701
#46

Drive system diagram

Support brake

Part #56567E701

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

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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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.…

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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.…

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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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