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Craftsman
Gas Walk-Behind Mower

Model # 917378071 Official Craftsman lawn mower

Here are the diagrams and repair parts for Official Craftsman 917378071 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.

Owner’s manual

Model diagram and schematic

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ALL PARTS
Showing 10 of 110 parts  |
Dust Cover 180504
#21

Wheels/tires 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
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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This item is not returnable
$6.64 | 
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Lawn Mower Blade Adapter 851514
#57

Rotary lawn mower 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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Tune-up Kit 5106S

#NI

All parts diagram

Tune-up kit

Part #5106S

Replaced by #5140B

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Manufacturer substitution
This part replaces 5106S. Substitute parts can look different from the original.
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$20.80 | 
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Washer 67725
#19

Wheels/tires 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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Throttle 700417
#77

Rotary lawn mower diagram

Throttle

Part #700417

Replaced by #532700417

?
Manufacturer substitution
This part replaces 700417. Substitute parts can look different from the original.
This item is not returnable
$23.98 | 
20% OFF Phone Price : $29.98
In Stock
Lawn Mower Drive Wheel, 8 X 2-in (replaces 180767, 532180775, 5321807-75) 180775
#24

Wheels/tires diagram

Lawn mower drive wheel, 8 x 2-in (replaces 180767, 532180775, 5321807-75)

Part #180775

Replaced by #532180775

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Manufacturer substitution
This part replaces 180775. Substitute parts can look different from the original.
$39.98
In Stock
Rope Guide 153638
#5

Rotary lawn mower diagram

Rope guide

Part #153638

Replaced by #586122501

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Manufacturer substitution
This part replaces 153638. Substitute parts can look different from the original.
This item is not returnable
$15.59 | 
11% OFF Phone Price : $17.59
In Stock
Lawn Mower E-ring (replaces 12000057) 12000058
#23

Wheels/tires diagram

Lawn mower e-ring (replaces 12000057)

Part #12000058

Replaced by #812000058

?
Manufacturer substitution
This part replaces 12000058. Substitute parts can look different from the original.
This item is not returnable
$5.11
In Stock
Belt 146527
#6

Wheels/tires diagram

Belt

Part #146527

Replaced by #532157769

?
Manufacturer substitution
This part replaces 146527. Substitute parts can look different from the original.

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$25.69
In Stock

Symptoms for gas walk-behind mowers

Choose a symptom to see related walk-behind mower repairs.

View all

Why does my lawn mower vibrate a lot?

Main causes: damaged cutting blade, loose cutting blade, damaged flywheel key, engine needs tune up…

Read more

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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