Craftsman
Front-Engine Lawn Tractor

Model # 502255170 Official Craftsman tractor

Here are the diagrams and repair parts for Official Craftsman 502255170 tractor, 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

?

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

Search
ALL PARTS
Showing 10 of 242 parts  |

E-ring STD581075
#72

Drive system diagram

E-ring

Part #STD581075

Replaced by #812000029

?
Manufacturer substitution
This part replaces STD581075. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$3.50
22% OFF Phone Price : $4.50
In Stock
Ignition Switch 21064
#4

Wiring system diagram

Ignition switch

Part #21064

Replaced by #532365402

?
Manufacturer substitution
This part replaces 21064. Substitute parts can look different from the original.
BEST SELLER
$28.82
17% OFF Phone Price : $34.82
In Stock
Blade 56212HT
#39A

Mower housing diagram

Blade

Part #56212HT

Replaced by #56246E701MA

?
Manufacturer substitution
This part replaces 56212HT. Substitute parts can look different from the original.

Get free shipping with Automatic Reorder

$27.17
18% OFF Phone Price : $33.17
In Stock
Belt 37X57
#1

Mower housing diagram

Belt

Part #37X57

Replaced by #37X57MA

?
Manufacturer substitution
This part replaces 37X57. Substitute parts can look different from the original.

Get free shipping with Automatic Reorder

$36.81
14% OFF Phone Price : $42.81
In Stock
Key 91275
#5

Wiring system diagram

Key

Part #91275

Replaced by #691959

?
Manufacturer substitution
This part replaces 91275. Substitute parts can look different from the original.
This item is not returnable
$11.16
15% OFF Phone Price : $13.16
In Stock
Washer 17X161
#31

Steering system diagram

Washer

Part #17X161

Replaced by #703590

?
Manufacturer substitution
This part replaces 17X161. Substitute parts can look different from the original.
This item is not returnable
$5.99
14% OFF Phone Price : $6.99
In Stock
Pulley 56562
#53

Drive system diagram

Pulley

Part #56562

Replaced by #56562MA

?
Manufacturer substitution
This part replaces 56562. Substitute parts can look different from the original.
In Stock
Jackshaft 91921
#38

Mower housing diagram

Jackshaft

Part #91921

Replaced by #491921MA

?
Manufacturer substitution
This part replaces 91921. Substitute parts can look different from the original.
This item is not returnable
$29.18
17% OFF Phone Price : $35.18
In Stock
Switch Lmt 91032
#10

Wiring system diagram

Switch lmt

Part #91032

Replaced by #91032MA

?
Manufacturer substitution
This part replaces 91032. Substitute parts can look different from the original.
In Stock
Bolt 25X6
#51

Body chassis diagram

Bolt

Part #25X6

Replaced by #817000616

?
Manufacturer substitution
This part replaces 25X6. Substitute parts can look different from the original.
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.

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.…

Riding mower and tractor common questions

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…