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Craftsman
Gas Walk-Behind Mower

Model # 917377942 Official Craftsman lawn mower

Here are the diagrams and repair parts for Official Craftsman 917377942 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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ALL PARTS
Showing 10 of 259 parts  |
Hex Flange Lock Nut 145212
#24

Wheels/tires diagram

Hex flange lock nut

Part #145212

Replaced by #532409149

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Manufacturer substitution
This part replaces 145212. Substitute parts can look different from the original.
BEST SELLER
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$5.31
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16% OFF Phone Price : $6.31
In Stock
Lock Nut 83923
#33

Wheels/tires diagram

Lock nut

Part #83923

Replaced by #532409149

?
Manufacturer substitution
This part replaces 83923. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$5.31
| 
16% OFF Phone Price : $6.31
In Stock
Spring 188291
#36

Wheels/tires diagram

Spring

Part #188291

Replaced by #532188291

?
Manufacturer substitution
This part replaces 188291. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$5.31
| 
16% OFF Phone Price : $6.31
In Stock
Lawn Mower 21-in Deck 3-in-1 Blade (replaces 532189028, 5321890-28) 189028
#16

Engine/handle/bag diagram

Lawn mower 21-in deck 3-in-1 blade (replaces 532189028, 5321890-28)

Part #189028

Replaced by #532189028

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Manufacturer substitution
This part replaces 189028. Substitute parts can look different from the original.

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$24.60
In Stock
Lawn Mower Selector Spring 188508X004
#43

Wheels/tires diagram

Lawn mower selector spring

Part #188508X004

Replaced by #532188508

?
Manufacturer substitution
This part replaces 188508X004. Substitute parts can look different from the original.
$13.69
In Stock
Lawn Mower Blade Adapter 186766
#20

Engine/handle/bag diagram

Lawn mower blade adapter

Part #186766

Replaced by #532186766

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Manufacturer substitution
This part replaces 186766. Substitute parts can look different from the original.
$32.98
| 
15% OFF Phone Price : $38.98
In Stock
Lawn Mower Grass Bag Bracket 183483
#3

Engine/handle/bag diagram

Lawn mower grass bag bracket

Part #183483

Replaced by #532183483

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Manufacturer substitution
This part replaces 183483. Substitute parts can look different from the original.
$8.54
In Stock
Screw.hwh.1/ 184571
#11

Wheels/tires diagram

Screw.hwh.1/

Part #184571

Replaced by #532194188

?
Manufacturer substitution
This part replaces 184571. Substitute parts can look different from the original.
This item is not returnable
$6.83
In Stock
Lawn Mower Bushing 183438
#47

Wheels/tires diagram

Lawn mower bushing

Part #183438

Replaced by #532183438

?
Manufacturer substitution
This part replaces 183438. Substitute parts can look different from the original.
This item is not returnable
$7.98
| 
11% OFF Phone Price : $8.98
In Stock
Lawn Mower Mulching Door Spring (replaces 532183446, 5321834-46) 183446
#26

Engine/handle/bag diagram

Lawn mower mulching door spring (replaces 532183446, 5321834-46)

Part #183446

Replaced by #532183446

?
Manufacturer substitution
This part replaces 183446. Substitute parts can look different from the original.
$8.54
In Stock

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 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....

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Repair difficulty
Time required
15 minutes or less
How to replace a lawn mower transmission

How to replace a lawn mower transmission

Learn how to replace the transmission on your lawn mower if it's locked up or won't drive the wheels....

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

How to replace a lawn mower carburetor

The carburetor mixes air with fuel to drive the piston. Replace the carburetor if it's clogged or damaged....

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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