Front-Engine Lawn Tractor

Model # 502256172 Official Craftsman riding lawn mower

Here are the diagrams and repair parts for Official Craftsman 502256172 riding lawn mower, as well as links to manuals and error code tables, if available.

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502256172 Riding Mowers & Tractors
Pad 790006
#24

3-speed transmission diagram

Pad

Part #790006

Replaced by #799021

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Manufacturer substitution
This part replaces 790006. Substitute parts can look different from the original.
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$9.60
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Plate 790007
#25

3-speed transmission diagram

Plate

Part #790007

Replaced by #790007

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Manufacturer substitution
This part replaces 790007. Substitute parts can look different from the original.
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This item is not returnable
$5.29
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Murray Lawn Tractor Spring 792079
#42

3-speed transmission diagram

Murray lawn tractor spring

Part #792079

This item is not returnable
$3.40
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Washer 792076
#39

3-speed transmission diagram

Washer

Part #792076

Replaced by #792076A

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Manufacturer substitution
This part replaces 792076. Substitute parts can look different from the original.
This item is not returnable
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Housing 24384
#69

Mower housing diagram

Housing

Part #24384

Replaced by #492574MA

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Manufacturer substitution
This part replaces 24384. Substitute parts can look different from the original.
$59.33
9% OFF Phone Price : $65.33
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Differential Axle 55000
#69

Lower half diagram

Differential axle

Part #55000

Replaced by #794299

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Manufacturer substitution
This part replaces 55000. Substitute parts can look different from the original.
In Stock
Fuse Holder 407058
#9

Wiring diagram diagram

Fuse holder

Part #407058

Replaced by #407078MA

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Manufacturer substitution
This part replaces 407058. Substitute parts can look different from the original.
$29.53
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Cotter Pin 30X20
#66

Top half diagram

Cotter pin

Part #30X20

Replaced by #703312

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Manufacturer substitution
This part replaces 30X20. Substitute parts can look different from the original.
This item is not returnable
In Stock
Bushing 780105
#27

3-speed transmission diagram

Bushing

Part #780105

Replaced by #780105A

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Manufacturer substitution
This part replaces 780105. Substitute parts can look different from the original.
This item is not returnable
$8.64
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Murray Chain 786081
#28

3-speed transmission diagram

Murray chain

Part #786081

This item is not returnable
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.

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.

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.…