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Craftsman
Gas Walk-Behind Mower

Model # 917383440 Official Craftsman 20" rotary lawn mower

Here are the diagrams and repair parts for Official Craftsman 917383440 20" rotary 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 87 parts  |
Selector Knob 77865
#51

Replacement parts diagram

Selector knob

Part #77865

Replaced by #532701037

?
Manufacturer substitution
This part replaces 77865. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$6.64 | 
13% OFF Phone Price : $7.64
In Stock
Stud 88291
#18

Replacement parts diagram

Stud

Part #88291

Replaced by #760875MA

?
Manufacturer substitution
This part replaces 88291. Substitute parts can look different from the original.
$17.20 | 
10% OFF Phone Price : $19.20
In Stock
Lock Nut 69180
#82

Replacement parts diagram

Lock nut

Part #69180

Replaced by #532069180

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Manufacturer substitution
This part replaces 69180. Substitute parts can look different from the original.
This item is not returnable
$5.11
In Stock
Bolt 58714
#11

Replacement parts diagram

Bolt

Part #58714

Replaced by #532183724

?
Manufacturer substitution
This part replaces 58714. Substitute parts can look different from the original.
This item is not returnable
$11.98 | 
14% OFF Phone Price : $13.98
In Stock
Spring 87145
#27

Replacement parts diagram

Spring

Part #87145

Replaced by #582942301

?
Manufacturer substitution
This part replaces 87145. Substitute parts can look different from the original.
This item is not returnable
$6.83
In Stock
Retainer Clip 85179
#47

Replacement parts diagram

Retainer clip

Part #85179

Replaced by #532085179

?
Manufacturer substitution
This part replaces 85179. Substitute parts can look different from the original.
This item is not returnable
$6.83
In Stock
Washer 52160
#46

Replacement parts diagram

Washer

Part #52160

Replaced by #596040101

?
Manufacturer substitution
This part replaces 52160. Substitute parts can look different from the original.
This item is not returnable
$5.11
In Stock
Washer 59289
#19

Replacement parts diagram

Washer

Part #59289

Replaced by #532059289

?
Manufacturer substitution
This part replaces 59289. Substitute parts can look different from the original.
This item is not returnable
$6.83
In Stock
Axle Arm 87887
#49

Replacement parts diagram

Axle arm

Part #87887

Replaced by #583168501

?
Manufacturer substitution
This part replaces 87887. Substitute parts can look different from the original.
$13.69
In Stock
Adj Brkt Lh 86931
#53

Replacement parts diagram

Adj brkt lh

Part #86931

Replaced by #582968701

?
Manufacturer substitution
This part replaces 86931. Substitute parts can look different from the original.
This item is not returnable
$6.83
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 run rough?

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

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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 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…

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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. …

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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…

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Repair difficulty
Time required
 45 minutes or less

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