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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
#24
3-speed transmission diagram
Pad
Part #790006
Replaced by #799021
?
Manufacturer substitution
This part replaces 790006. Substitute parts can look different from the original.
$9.31 |
10% OFF Phone Price : $10.31
Back Order
#25
3-speed transmission diagram
Plate
Part #790007
Replaced by #790007
?
Manufacturer substitution
This part replaces 790007. Substitute parts can look different from the original.
This item is not returnable
$5.29 |
16% OFF Phone Price : $6.29
Back Order
#23
3-speed transmission diagram
Holder
Part #790005
Replaced by #790025
?
Manufacturer substitution
This part replaces 790005. Substitute parts can look different from the original.
This item is not returnable
$17.48 |
10% OFF Phone Price : $19.48
Back Order
#26
3-speed transmission diagram
Pin
Part #786026
Replaced by #786026B
?
Manufacturer substitution
This part replaces 786026. Substitute parts can look different from the original.
This item is not returnable
$4.60 |
18% OFF Phone Price : $5.60
In Stock
#42
3-speed transmission diagram
Murray lawn tractor spring
Part #792079
This item is not returnable
$3.40 |
23% OFF Phone Price : $4.40
In Stock
#39
3-speed transmission diagram
Washer
Part #792076
Replaced by #792076A
?
Manufacturer substitution
This part replaces 792076. Substitute parts can look different from the original.
This item is not returnable
$4.37
In Stock
#66
Top half diagram
Cotter pin
Part #30X20
Replaced by #703312
?
Manufacturer substitution
This part replaces 30X20. Substitute parts can look different from the original.
This item is not returnable
$7.14
In Stock
#69
Lower half 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
#27
3-speed transmission diagram
Bushing
Part #780105
Replaced by #780105A
?
Manufacturer substitution
This part replaces 780105. Substitute parts can look different from the original.
This item is not returnable
$8.64 |
10% OFF Phone Price : $9.64
In Stock
#28
3-speed transmission diagram
Murray chain
Part #786081
This item is not returnable
$24.14
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: 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 mandrel assembly on a riding lawn mower
Replace the mandrel assembly if the blade shaft vibrates or doesn't spin.…
Repair difficulty
Time required
30 minutes or less

How to replace the flywheel key on a riding lawn mower
If the engine won't restart after hitting a stump or rock, the problem could be a sheared flywheel key. Follow these ste…
Repair difficulty
Time required
60 minutes or less

How to replace a riding lawn mower ignition coil
If you're not getting spark from a good spark plug, the problem could be the ignition coil. Follow these step-by-step in…
Repair difficulty
Time required
30 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.

Do you know a lawn tractor from a garden tractor? Take a look at the key differences and discover how each handles your …

Wondering when to mow your lawn for the best results? Timing matters more than you might think. Discover the best time o…

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…