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Craftsman
Gas Walk-Behind Mower

Model # 917388040 Official Craftsman gas walk-behind lawn mower

Here are the diagrams and repair parts for Official Craftsman 917388040 gas walk-behind lawn mower, as well as links to manuals and error code tables, if available.

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Owner’s manual
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Model diagram and schematic

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ALL PARTS
Showing 10 of 203 parts  |
Lock Nut 83923
#39

Engine/housing/wheels/bag diagram

Lock nut

Part #83923

Replaced by #532409149

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Manufacturer substitution
This part replaces 83923. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$5.31 | 
16% OFF Phone Price : $6.31
In Stock
Belt, 21-in 175064
#56

Engine/housing/wheels/bag diagram

Belt, 21-in

Part #175064

Replaced by #532406712

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Manufacturer substitution
This part replaces 175064. Substitute parts can look different from the original.
BEST SELLER

Get free shipping with Automatic Reorder

$22.13 | 
21% OFF Phone Price : $28.13
In Stock
Lawn & Garden Equipment Hinge Screw 88652
#41

Engine/housing/wheels/bag diagram

Lawn & garden equipment hinge screw

Part #88652

Replaced by #532088652

?
Manufacturer substitution
This part replaces 88652. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$5.31 | 
16% OFF Phone Price : $6.31
In Stock
Lawn Mower Grass Bag 186091
#67

Engine/housing/wheels/bag diagram

Lawn mower grass bag

Part #186091

$41.29 | 
13% OFF Phone Price : $47.29
In Stock
Upstop Bracket 850733X004
#13

Engine/housing/wheels/bag diagram

Upstop bracket

Part #850733X004

Replaced by #532850733

?
Manufacturer substitution
This part replaces 850733X004. Substitute parts can look different from the original.
This item is not returnable
$8.54
In Stock
Axle Arm Assembly 165761X004
#48

Engine/housing/wheels/bag diagram

Axle arm assembly

Part #165761X004

Replaced by #532186575

?
Manufacturer substitution
This part replaces 165761X004. Substitute parts can look different from the original.
$17.11
In Stock
Walk-behind Lawn Mower Selector Knob 87877
#33

Engine/housing/wheels/bag 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
$5.31 | 
16% OFF Phone Price : $6.31
In Stock
Wire Tie 66426
#7

Engine/housing/wheels/bag diagram

Wire tie

Part #66426

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

Control Cable 156577
#11

Engine/housing/wheels/bag diagram

Control cable

Part #156577

Replaced by #532168552

?
Manufacturer substitution
This part replaces 156577. Substitute parts can look different from the original.
$26.64
In Stock
Handle Knob 136376
#14

Engine/housing/wheels/bag diagram

Handle knob

Part #136376

Replaced by #532185577

?
Manufacturer substitution
This part replaces 136376. Substitute parts can look different from the original.
$10.64 | 
16% OFF Phone Price : $12.64
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…

Read more

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 run rough?

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

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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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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.…

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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.…

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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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