Craftsman
Front-Engine Lawn Tractor

Model # 917252550 Official Craftsman lawn tractor

Here are the diagrams and repair parts for Official Craftsman 917252550 lawn 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 477 parts  |

Screw 138776
#23

Mower deck diagram

Screw

Part #138776

Replaced by #584953901

?
Manufacturer substitution
This part replaces 138776. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$3.59
22% OFF Phone Price : $4.59
In Stock
Solenoid 138406
#25

Electrical diagram

Solenoid

Part #138406

Replaced by #532146154

?
Manufacturer substitution
This part replaces 138406. Substitute parts can look different from the original.
BEST SELLER
$20.79
19% OFF Phone Price : $25.79
In Stock
Lawn Tractor Flat Blade Idler Pulley 131494
#42

Mower deck diagram

Lawn tractor flat blade idler pulley

Part #131494

Replaced by #532173438

?
Manufacturer substitution
This part replaces 131494. Substitute parts can look different from the original.
BEST SELLER
$17.42
21% OFF MSRP : $22.00
In Stock
Molded Ignition Key 140403
#9

Electrical diagram

Molded ignition key

Part #140403

Replaced by #532140403

?
Manufacturer substitution
This part replaces 140403. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$5.67
15% OFF Phone Price : $6.67
Back Order
Vented Mandrel Shaft Assembly 137645
#8

Mower deck diagram

Vented mandrel shaft assembly

Part #137645

Replaced by #532137646

?
Manufacturer substitution
This part replaces 137645. Substitute parts can look different from the original.
BEST SELLER
$32.80
22% OFF MSRP : $41.80
In Stock
Lawn Tractor Mandrel Housing (replaces 128774cs, 128774wa, 532128774, 5321287-74, 577203114) 128774
#6

Mower deck diagram

Lawn tractor mandrel housing (replaces 128774cs, 128774wa, 532128774, 5321287-74, 577203114)

Part #128774

BEST SELLER
$28.07
15% OFF Phone Price : $33.07
In Stock
Lawn Tractor Push Nut (replaces 532110452, 5321104-52, 532-110452, 532110552, 539107626, 5846r) 110452X
#17

Mower deck diagram

Lawn tractor push nut (replaces 532110452, 5321104-52, 532-110452, 532110552, 539107626, 5846r)

Part #110452X

BEST SELLER
This item is not returnable
$4.74
17% OFF Phone Price : $5.74
Back Order
Lawn Tractor Bearing 3366R
#4

Front axle diagram

Lawn tractor bearing

Part #3366R

Replaced by #532003366

?
Manufacturer substitution
This part replaces 3366R. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$3.39
23% OFF MSRP : $4.40
Back Order
Lawn Tractor Torsion Spring (replaces 106734x, 149287, 532106734, 532123713, 5321237-13) 123713X
#18

Mower deck diagram

Lawn tractor torsion spring (replaces 106734x, 149287, 532106734, 532123713, 5321237-13)

Part #123713X

BEST SELLER
This item is not returnable
$3.80
49% OFF MSRP : $7.40
In Stock
Washer 19132016
#65

Mower deck diagram

Washer

Part #19132016

Replaced by #596134901

?
Manufacturer substitution
This part replaces 19132016. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$2.49
29% OFF Phone Price : $3.49
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: dead battery, stale fuel, bad starter solenoid, ignition system problem, bad ignition interlock switch, clo…

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

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: damaged tie rods, bent or worn wheel spindle, worn front axle, damaged sector gear assembly…

Main causes: worn or broken blade belt, broken belt idler pulley, blade clutch cable failure, bad PTO switch, damaged ma…

Main causes: worn or broken ground drive belt, bad seat switch, transaxle freewheel control engaged, transaxle failure, …

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

Main causes: faulty battery, bad alternator…

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 on a riding lawn mower

How to replace the seat on a riding lawn mower

A broken seat can keep the mower from running.…

Repair difficulty
Time required
 15 minutes or less
How to replace a riding lawn mower fuel filter

How to replace a riding lawn mower fuel filter

Help your mower run better by replacing the fuel filter during your riding mower's annual tune-up.…

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 remove a lawn mower blade using a removal tool

How to remove a lawn mower blade using a removal tool

Learn how a blade removal tool makes replacing the blade easier and safer…

Charging a battery in a riding lawn mower video

Charging a battery in a riding lawn mower video

Learn how to use a battery charger if your mower battery is dead.…

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…