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Model # 502251370 Official Craftsman 42" rotary lawn mower
Here are the diagrams and repair parts for Official Craftsman 502251370 42" rotary lawn mower, as well as links to manuals and error code tables, if available.
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502251370 Riding Mowers & Tractors
#73
Mower deck diagram
Housing
Part #20551
Replaced by #492574MA
?
Manufacturer substitution
This part replaces 20551. Substitute parts can look different from the original.
$59.33 |
14% OFF Was : $68.99
In Stock
#29
Lift assembly diagram
Pulley
Part #21409
Replaced by #421409MA
?
Manufacturer substitution
This part replaces 21409. Substitute parts can look different from the original.
This item is not returnable
$25.18 |
19% OFF Phone Price : $31.18
In Stock
#19
Lift assembly diagram
Idler pulley
Part #23238
Replaced by #423238MA
?
Manufacturer substitution
This part replaces 23238. Substitute parts can look different from the original.
$39.93
In Stock
#82
Mower deck diagram
Torsion spring
Part #21189
Replaced by #166X4MA
?
Manufacturer substitution
This part replaces 21189. Substitute parts can look different from the original.
$11.80
In Stock
#11
Lift assembly diagram
Hex bolt
Part #1X38
Replaced by #1X38MA
?
Manufacturer substitution
This part replaces 1X38. Substitute parts can look different from the original.
$7.57
In Stock
#49
Mower deck diagram
Bolt
Part #STD533107
The manufacturer no longer makes this part, and there's no substitute part
#76
Mower deck diagram
Blade
Part #23209
Replaced by #24458E701MA
?
Manufacturer substitution
This part replaces 23209. Substitute parts can look different from the original.
$28.84
In Stock
#12
Lift assembly diagram
Belt
Part #23214
Replaced by #532138399
?
Manufacturer substitution
This part replaces 23214. Substitute parts can look different from the original.
Get free shipping with Automatic Reorder
$48.73 |
11% OFF Phone Price : $54.73
In Stock
#81
Mower deck diagram
Push-on-cap
Part #28X23
Replaced by #703948
?
Manufacturer substitution
This part replaces 28X23. Substitute parts can look different from the original.
This item is not returnable
$7.29 |
12% OFF Phone Price : $8.29
In Stock
#38
Lift assembly diagram
Lock nut
Part #STD541431
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.
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.
Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…
Get answers to frequently asked questions about Sears and Sears PartsDirect.…
Check the starter solenoid, starter motor, wiring, battery and engine.…