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Craftsman
Gas Walk-Behind Mower

Model # 917379331 Official Craftsman rotary lawn mower

Here are the diagrams and repair parts for Official Craftsman 917379331 rotary 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.

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Showing 10 of 248 parts  |
Lawn Mower Wheel Dust Cover 88080
#14

Drive assembly diagram

Lawn mower wheel dust cover

Part #88080

Replaced by #581840401

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Manufacturer substitution
This part replaces 88080. Substitute parts can look different from the original.
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$8.22 | 
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Lawn Mower Height Adjuster Knob 701037
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.
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$6.64 | 
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Lawn Mower Blade 141443
#47

Main frame diagram

Lawn mower blade

Part #141443

Replaced by #532406707

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Manufacturer substitution
This part replaces 141443. Substitute parts can look different from the original.
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$30.64 | 
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Lawn Mower Blade Adapter 851514
#46

Main frame diagram

Lawn mower blade adapter

Part #851514

Replaced by #581547901

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Manufacturer substitution
This part replaces 851514. Substitute parts can look different from the original.
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$19.36 | 
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Grassbag.240 154870
#54

Drive assembly diagram

Grassbag.240

Part #154870

Replaced by #583328201

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Manufacturer substitution
This part replaces 154870. Substitute parts can look different from the original.
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Lawn & Garden Equipment Hinge Screw 88652
#56

Main frame 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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Washer 67725
#16

Drive assembly 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.
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$7.98 | 
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Wheel 9x2 Re 150342
#11

Drive assembly diagram

Wheel 9x2 re

Part #150342

Replaced by #532193139

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Manufacturer substitution
This part replaces 150342. Substitute parts can look different from the original.
$54.98 | 
10% OFF Phone Price : $60.98
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Lawn Mower E-ring (replaces 12000057) 12000058
#12

Drive assembly diagram

Lawn mower e-ring (replaces 12000057)

Part #12000058

Replaced by #812000058

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Manufacturer substitution
This part replaces 12000058. Substitute parts can look different from the original.
This item is not returnable
$5.11
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Bolt 142748
#28

Main frame diagram

Bolt

Part #142748

Replaced by #532174719

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Manufacturer substitution
This part replaces 142748. Substitute parts can look different from the original.
This item is not returnable
$13.69
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…

Read more
Repair difficulty
Time required
 45 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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Introducing new technical repair content that we’re developing for the Sears Technical Institute

Introducing new technical repair content that we’re developing for the Sears Technical Institute

Learn about Sears Technical Institute and the advanced technical content being developed for aspiring appliance techs.…

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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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