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Craftsman
Gas Walk-Behind Mower

Model # 917378890 Official Craftsman lawn mower

Here are the diagrams and repair parts for Official Craftsman 917378890 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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Owner’s manual
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Model diagram and schematic

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ALL PARTS
Showing 10 of 265 parts  |
Dust Cover 180504
#14

Wheels/bag/tires/belt diagram

Dust cover

Part #180504

Replaced by #581840401

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Manufacturer substitution
This part replaces 180504. Substitute parts can look different from the original.
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$8.22 | 
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In Stock
Selector Knob 180912
#31

Engine/housing/handle/blade diagram

Selector knob

Part #180912

Replaced by #532701037

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Manufacturer substitution
This part replaces 180912. Substitute parts can look different from the original.
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This item is not returnable
$6.64 | 
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Lawn Mower Height Adjuster Knob 701037
#18

Wheels/bag/tires/belt diagram

Lawn mower height adjuster knob

Part #701037

Replaced by #532701037

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Manufacturer substitution
This part replaces 701037. Substitute parts can look different from the original.
BEST SELLER
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$6.64 | 
13% OFF Phone Price : $7.64
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Nut 132004
#18

Engine/housing/handle/blade diagram

Nut

Part #132004

Replaced by #582478602

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Manufacturer substitution
This part replaces 132004. Substitute parts can look different from the original.
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$2.64 | 
27% OFF Phone Price : $3.64
In Stock
Lawn Mower Wheel 151158
#27

Engine/housing/handle/blade diagram

Lawn mower wheel

Part #151158

Replaced by #582976701

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Manufacturer substitution
This part replaces 151158. Substitute parts can look different from the original.
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$41.98 | 
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In Stock
Molded Ignition Key 180331
#55

Engine/housing/handle/blade diagram

Molded ignition key

Part #180331

Replaced by #532180331

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Manufacturer substitution
This part replaces 180331. Substitute parts can look different from the original.
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$7.98 | 
11% OFF Phone Price : $8.98
In Stock
Lawn & Garden Equipment Hinge Screw 88652
#21

Engine/housing/handle/blade diagram

Lawn & garden equipment hinge screw

Part #88652

Replaced by #532088652

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Manufacturer substitution
This part replaces 88652. Substitute parts can look different from the original.
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$5.31 | 
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Lawn Mower Drive Cable 184586
#1

Wheels/bag/tires/belt diagram

Lawn mower drive cable

Part #184586

Replaced by #583134601

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Manufacturer substitution
This part replaces 184586. Substitute parts can look different from the original.
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$33.31 | 
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Washer 67725
#16

Wheels/bag/tires/belt diagram

Washer

Part #67725

Replaced by #532067725

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Manufacturer substitution
This part replaces 67725. Substitute parts can look different from the original.
BEST SELLER
$7.98 | 
11% OFF Phone Price : $8.98
In Stock
Rope Guide 179585
#19

Engine/housing/handle/blade diagram

Rope guide

Part #179585

Replaced by #586122501

?
Manufacturer substitution
This part replaces 179585. Substitute parts can look different from the original.
This item is not returnable
$15.59 | 
11% OFF Phone Price : $17.59
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…

Read more

Why does my lawn mower run rough?

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

Read more

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 rebuild a lawn mower carburetor

How to rebuild a lawn mower carburetor

The carburetor mixes air with fuel to drive the piston. Rebuild the carburetor if it's clogged or leaks.…

Read more
Repair difficulty
Time required
 60 minutes or less
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.…

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

How to replace a lawn mower wheel

Learn how replace a damaged wheel on a walk-behind lawn mower—it's a quick, easy fix.…

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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