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Craftsman
Front-Engine Lawn Tractor

Model # 9178371 Official Craftsman 36" riding lawn mower

Here are the diagrams and repair parts for Official Craftsman 9178371 36" riding lawn mower, as well as links to manuals and error code tables, if available.

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  • 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”.

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

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Model diagram and schematic

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ALL PARTS
Showing 10 of 452 parts  |
Hub Bolt 1304H
#40

Steering assembly diagram

Hub bolt

Part #1304H

Replaced by #596218701

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Manufacturer substitution
This part replaces 1304H. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$4.10 | 
20% OFF Phone Price : $5.10
In Stock
Pin 786026
#50

Transaxle diagram

Pin

Part #786026

Replaced by #786026B

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Manufacturer substitution
This part replaces 786026. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$4.60 | 
18% OFF Phone Price : $5.60
In Stock
Ground Strap 5114H
#23

Steering assembly diagram

Ground strap

Part #5114H

Replaced by #532004207

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Manufacturer substitution
This part replaces 5114H. Substitute parts can look different from the original.
This item is not returnable
$6.64 | 
13% OFF Phone Price : $7.64
In Stock
Washer 19252016
Washer

Part #19252016

Replaced by #532121749

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Manufacturer substitution
This part replaces 19252016. Substitute parts can look different from the original.
This item is not returnable
$3.98 | 
20% OFF Phone Price : $4.98
In Stock
Ring 792001
#3

Transaxle diagram

Ring

Part #792001

Replaced by #792001

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Manufacturer substitution
This part replaces 792001. Substitute parts can look different from the original.
This item is not returnable
$4.37
In Stock
Washer 19211616
#37

Wheel assembly diagram

Washer

Part #19211616

Replaced by #596933401

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Manufacturer substitution
This part replaces 19211616. Substitute parts can look different from the original.
This item is not returnable
$5.11
In Stock
Head Assembly 794002
Head assembly

Part #794002

Replaced by #794328A

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Manufacturer substitution
This part replaces 794002. Substitute parts can look different from the original.
$204.16
In Stock
Input Shaft 776040
#5

Right angle drive diagram

Input shaft

Part #776040

Replaced by #776040A

?
Manufacturer substitution
This part replaces 776040. Substitute parts can look different from the original.
$44.04
In Stock
Tube 338H
#65

Wheel assembly diagram

Tube

Part #338H

Replaced by #583765701

?
Manufacturer substitution
This part replaces 338H. Substitute parts can look different from the original.
$39.98
In Stock
Ring 792018
#55

Transaxle diagram

Ring

Part #792018

Replaced by #792018

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Manufacturer substitution
This part replaces 792018. Substitute parts can look different from the original.
This item is not returnable
$4.37
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.

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

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

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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…

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Why won't my riding mower move?

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

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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…

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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, …

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Why does my riding mower creep in neutral?

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

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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…

Read more

Why does my riding mower deck vibrate?

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

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

Main causes: faulty battery, bad alternator…

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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.

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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.…

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Repair difficulty
Time required
 60 minutes or less
How to replace a riding lawn mower blade

How to replace a riding lawn mower blade

If a blade on your mower is dull or bent, replace it following the steps in this repair guide.…

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Repair difficulty
Time required
 30 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.…

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Repair difficulty
Time required
 15 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.

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How to enjoy all the online benefits we offer on our Sears PartsDirect website

How to enjoy all the online benefits we offer on our Sears PartsDirect website

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

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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.…

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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.…

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