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Craftsman
Gas Walk-Behind Mower

Model # 917378251 Official Craftsman 22" lawn mower

Here are the diagrams and repair parts for Official Craftsman 917378251 22" 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 117 parts  |
Selector Knob 77865
Selector knob

Part #77865

Replaced by #532701037

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Manufacturer substitution
This part replaces 77865. Substitute parts can look different from the original.
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This item is not returnable
$6.64 | 
13% OFF Phone Price : $7.64
In Stock
Shoulder Bolt 84921
#46

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
$13.69
In Stock
Bolt 58714
#3

Main frame 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 83632
#40

Drive assembly diagram

Spring

Part #83632

Replaced by #532137090

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Manufacturer substitution
This part replaces 83632. Substitute parts can look different from the original.
$8.54
In Stock
Lawn Mower Retainer Clip, 4-pack 55015
Lawn mower retainer clip, 4-pack

Part #55015

Replaced by #582934801

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Manufacturer substitution
This part replaces 55015. Substitute parts can look different from the original.
This item is not returnable
$6.83
In Stock
Bracket, Left 85664
#22

Main frame diagram

Bracket, left

Part #85664

Replaced by #532192983

?
Manufacturer substitution
This part replaces 85664. Substitute parts can look different from the original.
$37.31
In Stock
Lawn & Garden Equipment Bearing 77881
#7

Gear case assembly no. 86625 diagram

Lawn & garden equipment bearing

Part #77881

Replaced by #532077881

?
Manufacturer substitution
This part replaces 77881. Substitute parts can look different from the original.
$33.31
In Stock
Husqvarna Lawn & Garden Equipment Washer (replaces 532057079, 5320570-79) 57079
#10

Gear case assembly no. 86625 diagram

Husqvarna lawn & garden equipment washer (replaces 532057079, 5320570-79)

Part #57079

Replaced by #532057079

?
Manufacturer substitution
This part replaces 57079. Substitute parts can look different from the original.
This item is not returnable
$3.40
In Stock
Lawn Mower Wheel 87748
#35

Main frame diagram

Lawn mower wheel

Part #87748

Replaced by #582943001

?
Manufacturer substitution
This part replaces 87748. Substitute parts can look different from the original.
$39.98
In Stock
Blade 69334
#53

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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$28.29 | 
17% OFF Phone Price : $34.29
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. …

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…

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Repair difficulty
Time required
 45 minutes or less

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