Craftsman
Gas Walk-Behind Mower

Model #917378031 Official Craftsman 22" lawn mower

Here are the diagrams and repair parts for Craftsman 917378031 22" lawn mower, as well as links to manuals and error code tables, if available.

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Parts List

Showing 10 of 237 parts

Lawn Mower 22-in Deck Mulching Blade (replaces 406713, 5324067-13, 584660302)#52

Main frame Diagram

Blade

Part #69334
Replaced by #532406713
?
Manufacturer substitution
This part replaces 69334. Substitute parts can look different from the original.
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In Stock
$14.92 | 
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MSRP: $20.00
Lawn & Garden Equipment Shoulder Bolt#34

Main frame Diagram

Shoulder bolt

Part #84921
Replaced by #532174719
?
Manufacturer substitution
This part replaces 84921. Substitute parts can look different from the original.
This item is not returnable
In Stock
$4.19
Lawn Mower Height Adjuster Knob#28

Main frame Diagram

Walk-behind lawn mower selector knob

Part #87877
Replaced by #532087877
?
Manufacturer substitution
This part replaces 87877. Substitute parts can look different from the original.
This item is not returnable
In Stock
$3.09 | 
24% OFF 
Phone Price: $4.09
GUARD.ECONOM#39

Main frame Diagram

Guard

Part #85534
Replaced by #596215201
?
Manufacturer substitution
This part replaces 85534. Substitute parts can look different from the original.
This item is not returnable
In Stock
$4.99
Washer#41

Main frame Diagram

Washer

Part #63128

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

Lawn Tractor Decal (replaces 85463)#13

Main frame Diagram

Decal

Part #85463
Replaced by #539913010
?
Manufacturer substitution
This part replaces 85463. Substitute parts can look different from the original.
This item is not returnable
In Stock
$3.13
Washer#16

Main frame 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
In Stock
$3.13
Bolt#4

Main frame Diagram

Bolt

Part #58714

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

Nut#47

Main frame Diagram

Nut

Part #53490

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

Screw#25

Drive assembly Diagram

Screw

Part #86314

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.

Main causes: uneven wheel height settings, damaged wheel, dull or damaged cutting blade
Main causes: damaged cutting blade, loose cutting blade, damaged flywheel key, engine needs tune up
Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key
Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent
Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel
Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, bad ignition coil

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.

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 cracked.

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

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

Repair difficulty
Time required
 15 minutes or less
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 replace this tiny but essential part.

Repair difficulty
Time required
 45 minutes or less

Articles and videos common to all 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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