Craftsman
Riding mowers & tractors parts
Craftsman riding mowers & tractors parts
Front-engine lawn tractor parts
Craftsman front-engine lawn tractor parts

Model # 502253623 Official Craftsman 42" rotary lawn mower

Here are the diagrams and repair parts for Official Craftsman 502253623 42" rotary 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”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

SEARCH WITHIN THIS MODEL

Part # / Part Name

Diagram #

This is the number corresponding to the part on the diagram / schematic

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Bolts

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Complete Decks

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Springs

Steering Systems

User's Manuals & Literature

Washers

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Baffles

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Bolts

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Complete Decks

Discharge Chutes

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View all +

ALL PARTS

Showing 10 of 92 parts |

#33

Blade housing lower half diagram

Housing

Part #20551

Replaced by #492574MA

Manufacturer substitution

This part replaces 20551. Substitute parts can look different from the original.

$68.99 |

8% OFF Phone Price : $74.99

In Stock

Qty

Hairpin pin

Part #20692

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

#28

Blade housing top half diagram

Washer

Part #STD551037

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

#24

Blade housing top half diagram

Belt

Part #37X22

Replaced by #37X22MA

Manufacturer substitution

This part replaces 37X22. Substitute parts can look different from the original.

$65.07

In Stock

Qty

#23

Blade housing top half 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

Qty

Bolt

Part #STD533107

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

#19

Blade housing top half diagram

Spring

Part #24074

Replaced by #165X43MA

Manufacturer substitution

This part replaces 24074. Substitute parts can look different from the original.

$13.74

In Stock

Qty

#NI

All parts diagram

Tie strap

Part #32618

Replaced by #32618MA

Manufacturer substitution

This part replaces 32618. Substitute parts can look different from the original.

This item is not returnable

$6.86

In Stock

Qty

Blade housing lower half diagram

Lock nut

Part #STD541437

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

Blade housing top half diagram

Washer

Part #STD551031

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.

View all

How do I charge a dead battery on my riding mower?

Main causes: faulty battery, bad alternator…

Why does my riding mower deck vibrate?

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

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…

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…

How do I fix a flat tire on my riding mower?

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

Why is my riding mower leaking oil or gas?

Main causes: engine overfilled with oil, leaky head gasket or sump gasket, damaged carburetor seals, cracked fuel pump, …

Why does my riding mower run rough or misfire?

Main causes: clogged carburetor, damaged flywheel key, dirty spark plug, stale fuel, improper valve lash, engine needs a…

Why does my riding mower creep in neutral?

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

Why won't my riding mower move?

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.

View all

How to replace the starter motor on a riding lawn mower

If you hear the solenoid click but don’t hear the starter motor spin when you turn the key, follow these steps to replac…

Repair difficulty

Time required

30 minutes or less

How to rebuild a riding lawn mower carburetor

Get your sputtering carburetor running smoothly in 60 minutes.…

Repair difficulty

Time required

60 minutes or less

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.

View all

Riding lawn mower engine clicks but doesn't turn over video

Check the starter solenoid, starter motor, wiring, battery and engine.…

How to clean the air filter in your lawn tractor

Cleaning the air filter in a lawn tractor takes just minutes and improves engine performance.…

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…

Craftsman
Riding mowers & tractors parts
Craftsman riding mowers & tractors parts
Front-engine lawn tractor parts
Craftsman front-engine lawn tractor parts

Model # 502253623 Official Craftsman 42" rotary lawn mower

Here are the diagrams and repair parts for Official Craftsman 502253623 42" rotary lawn mower, as well as links to manuals and error code tables, if available.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

SEARCH WITHIN THIS MODEL

Part # / Part Name

Diagram #

This is the number corresponding to the part on the diagram / schematic

Filters

Baffles

Belts

Bolts

Brackets

Cables

Complete Decks

Discharge Chutes

Nuts

Pins

Pulleys

Rollers & Casters

Screws

Spacers

Springs

Steering Systems

User's Manuals & Literature

Washers

Wiring

Part Categories

Baffles

Belts

Bolts

Brackets

Cables

Complete Decks

Discharge Chutes

Nuts

Pins

View all +

ALL PARTS

Showing 10 of 92 parts |

#33

Blade housing lower half diagram

Housing

Part #20551

Replaced by #492574MA

Manufacturer substitution

This part replaces 20551. Substitute parts can look different from the original.

$68.99 |

8% OFF Phone Price : $74.99

In Stock

Qty

Hairpin pin

Part #20692

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

#28

Blade housing top half diagram

Washer

Part #STD551037

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

#24

Blade housing top half diagram

Belt

Part #37X22

Replaced by #37X22MA

Manufacturer substitution

This part replaces 37X22. Substitute parts can look different from the original.

$65.07

In Stock

Qty

#23

Blade housing top half 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

Qty

Bolt

Part #STD533107

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

#19

Blade housing top half diagram

Spring

Part #24074

Replaced by #165X43MA

Manufacturer substitution

This part replaces 24074. Substitute parts can look different from the original.

$13.74

In Stock

Qty

#NI

All parts diagram

Tie strap

Part #32618

Replaced by #32618MA

Manufacturer substitution

This part replaces 32618. Substitute parts can look different from the original.

This item is not returnable

$6.86

In Stock

Qty

Blade housing lower half diagram

Lock nut

Part #STD541437

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

Blade housing top half diagram

Washer

Part #STD551031

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.

View all

How do I charge a dead battery on my riding mower?

Main causes: faulty battery, bad alternator…

Why does my riding mower deck vibrate?

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

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…

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…

How do I fix a flat tire on my riding mower?

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

Why is my riding mower leaking oil or gas?

Main causes: engine overfilled with oil, leaky head gasket or sump gasket, damaged carburetor seals, cracked fuel pump, …

Why does my riding mower run rough or misfire?

Main causes: clogged carburetor, damaged flywheel key, dirty spark plug, stale fuel, improper valve lash, engine needs a…

Why does my riding mower creep in neutral?

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

Why won't my riding mower move?

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.

View all

How to replace the starter motor on a riding lawn mower

If you hear the solenoid click but don’t hear the starter motor spin when you turn the key, follow these steps to replac…

Repair difficulty

Time required

30 minutes or less

How to rebuild a riding lawn mower carburetor

Get your sputtering carburetor running smoothly in 60 minutes.…

Repair difficulty

Time required

60 minutes or less

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.

View all

Model # 502253623 Official Craftsman 42" rotary lawn mower

Model diagram and schematic

SEARCH WITHIN THIS MODEL

Most common symptoms to help you fix your riding mowers & tractors

Most common repair guides to help fix your riding mowers & tractors

Effective articles & videos to help repair your riding mowers & tractors

Model # 502253623 Official Craftsman 42" rotary lawn mower

Model diagram and schematic

SEARCH WITHIN THIS MODEL

Most common symptoms to help you fix your riding mowers & tractors

Most common repair guides to help fix your riding mowers & tractors

Effective articles & videos to help repair your riding mowers & tractors

Parts & More