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Craftsman
Gas Walk-Behind Mower

Model # 9174787A Official Craftsman lawn mower

Here are the diagrams and repair parts for Official Craftsman 9174787A 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.

Owner’s manual
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Model diagram and schematic

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Showing 10 of 230 parts  |
Husqvarna Lawn Mower 22-in Deck 3-in-1 Blade 421825
#47

Engine/housing/handle diagram

Husqvarna lawn mower 22-in deck 3-in-1 blade

Part #421825

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Lawn & Garden Equipment Nut 409148
#29

Drive control/gear case/wheels diagram

Lawn & garden equipment nut

Part #409148

Replaced by #532409149

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Manufacturer substitution
This part replaces 409148. Substitute parts can look different from the original.
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Lawn Mower Hex Flange Nut 409149
#25

Engine/housing/handle diagram

Lawn mower hex flange nut

Part #409149

Replaced by #532409149

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Manufacturer substitution
This part replaces 409149. Substitute parts can look different from the original.
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Blade Adapter 421782
#46

Engine/housing/handle diagram

Blade adapter

Part #421782

Replaced by #581473301

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Manufacturer substitution
This part replaces 421782. Substitute parts can look different from the original.
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Lawn Mower Rear Skirt (replaces 532429157) 429157
#20

Engine/housing/handle diagram

Lawn mower rear skirt (replaces 532429157)

Part #429157

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Lawn Mower Wheel Dust Cover 189403
#14

Drive control/gear case/wheels diagram

Lawn mower wheel dust cover

Part #189403

Replaced by #581840401

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Manufacturer substitution
This part replaces 189403. Substitute parts can look different from the original.
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$7.98 | 
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Lawn & Garden Equipment Screw 851084
#50

Engine/housing/handle diagram

Lawn & garden equipment screw

Part #851084

Replaced by #532435345

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Manufacturer substitution
This part replaces 851084. Substitute parts can look different from the original.
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Lawn Mower Grass Bag Frame 419951
#57

Drive control/gear case/wheels diagram

Lawn mower grass bag frame

Part #419951

Replaced by #585054702

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Manufacturer substitution
This part replaces 419951. Substitute parts can look different from the original.
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Lawn & Garden Equipment Washer (replaces 532851074, 5328510-74) 851074
#48

Engine/housing/handle diagram

Lawn & garden equipment washer (replaces 532851074, 5328510-74)

Part #851074

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Lawn Mower Discharge Chute Door Spring, Left (replaces 532419949) 419949
#21

Engine/housing/handle diagram

Lawn mower discharge chute door spring, left (replaces 532419949)

Part #419949

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$3.09 | 
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Symptoms for gas walk-behind mowers

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

View all

Why does my lawn mower run rough?

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

Read more

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 vibrate a lot?

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

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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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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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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 replace a lawn mower spark plug

How to replace a lawn mower spark plug

Take a few minutes to replace the spark plug during your lawn mower's annual tune-up or if the spark plug is burnt or cr…

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

How to replace a lawn mower blade

Check your lawn mower blade regularly and replaced it if it's bent or damaged. …

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower flywheel key on a flathead engine

How to replace a lawn mower flywheel key on a flathead engine

When you hit a hard object with your mower, the flywheel can shear to protect more expensive components. Learn how to re…

Read more
Repair difficulty
Time required
 45 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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Tapping into a new feature in the Search Bar on Sears PartsDirect

Tapping into a new feature in the Search Bar on Sears PartsDirect

Learn about a new feature added to the Search Bar on Sears PartsDirect…

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Introducing new technical repair content that we’re developing for the Sears Technical Institute

Introducing new technical repair content that we’re developing for the Sears Technical Institute

Learn about Sears Technical Institute and the advanced technical content being developed for aspiring appliance techs.…

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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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