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Craftsman
Gas Walk-Behind Mower

Model # 9178372 Official Craftsman lawn mower

Here are the diagrams and repair parts for Official Craftsman 9178372 lawn mower, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 252 parts  |
Washer 19252016
Washer

Part #19252016

Replaced by #532121749

?
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
Ball 792004
#10

Transaxle diagram

Ball

Part #792004

Replaced by #792004

?
Manufacturer substitution
This part replaces 792004. Substitute parts can look different from the original.
This item is not returnable
$4.37
In Stock
Seal 788009
#60

Transaxle diagram

Seal

Part #788009

Replaced by #788009

?
Manufacturer substitution
This part replaces 788009. Substitute parts can look different from the original.
$11.60
In Stock
Axle Bolt 4361H
#42

Mower housing diagram

Axle bolt

Part #4361H

Replaced by #532179613

?
Manufacturer substitution
This part replaces 4361H. Substitute parts can look different from the original.
This item is not returnable
$8.54
In Stock
Spur 778024
#40

Transaxle diagram

Spur

Part #778024

Replaced by #778024A

?
Manufacturer substitution
This part replaces 778024. Substitute parts can look different from the original.
$26.29
In Stock
Gear 778036
#43

Transaxle diagram

Gear

Part #778036

Replaced by #778036

?
Manufacturer substitution
This part replaces 778036. Substitute parts can look different from the original.
$70.64
In Stock
Rh Cover 772034
#8

Right angle drive diagram

Rh cover

Part #772034

Replaced by #772034

?
Manufacturer substitution
This part replaces 772034. Substitute parts can look different from the original.
$18.94
In Stock
Head Assembly 794001
Head assembly

Part #794001

Replaced by #794327A

?
Manufacturer substitution
This part replaces 794001. Substitute parts can look different from the original.
$198.76
In Stock
Seal 788007
#45

Transaxle diagram

Seal

Part #788007

Replaced by #788007

?
Manufacturer substitution
This part replaces 788007. Substitute parts can look different from the original.
$21.49
Back Order
Screw 21150406
#18

(electric starter) diagram

Screw

Part #21150406

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

Symptoms for gas walk-behind mowers

Choose a symptom to see related walk-behind mower repairs.

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Why does my lawn mower vibrate a lot?

Main causes: damaged cutting blade, loose cutting blade, damaged flywheel key, engine needs tune up…

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Why does my lawn mower cut unevenly?

Main causes: uneven wheel height settings, damaged wheel, dull or damaged cutting blade…

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Why does my lawn mower run rough?

Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key…

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Why won't my lawn mower move?

Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel…

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Why won't my lawn mower start?

Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, ba…

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Why does my lawn mower stall?

Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent…

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Repair guides for gas walk-behind mowers

These step-by-step repair guides will help you safely fix what’s broken on your walk-behind lawn mower.

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How to rebuild a lawn mower carburetor

How to rebuild a lawn mower carburetor

The carburetor mixes air with fuel to drive the piston. Rebuild the carburetor if it's clogged or leaks.…

Read more
Repair difficulty
Time required
 60 minutes or less
How to replace a lawn mower recoil starter on an OHV engine

How to replace a lawn mower recoil starter on an OHV engine

Replace the recoil starter if it doesn't move when you pull the starter rope.…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower wheel

How to replace a lawn mower wheel

Learn how replace a damaged wheel on a walk-behind lawn mower—it's a quick, easy fix.…

Read more
Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your walk-behind mowers

Use the advice and tips in these articles and videos to get the most out of your walk-behind lawn mower.

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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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Types of walk-behind mower blades video

Types of walk-behind mower blades video

Learn about the different kinds of mower blades and how to maintain them.…

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