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Craftsman
Gas Walk-Behind Mower

Model # 917374040 Official Craftsman lawn mower

Here are the diagrams and repair parts for Official Craftsman 917374040 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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Showing 10 of 224 parts  |
Lawn Mower Wheel And Tire, 8 X 1.75-in 194231X460
#11

Drive control/gear case/wheels diagram

Lawn mower wheel and tire, 8 x 1.75-in

Part #194231X460

Replaced by #583719501

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Manufacturer substitution
This part replaces 194231X460. Substitute parts can look different from the original.
BEST SELLER
$34.31 | 
15% OFF Phone Price : $40.31
In Stock
Blade Adapter 421782
#46

Handle/engine/housing diagram

Blade adapter

Part #421782

Replaced by #581473301

?
Manufacturer substitution
This part replaces 421782. Substitute parts can look different from the original.
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$18.44 | 
10% OFF Phone Price : $20.44
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Drive Pawl 404845
#15

Drive control/gear case/wheels diagram

Drive pawl

Part #404845

Replaced by #532404845

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Manufacturer substitution
This part replaces 404845. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$6.64 | 
13% OFF Phone Price : $7.64
In Stock
Screw, 5/16-18 X 3/4-in 17000512
#37

Handle/engine/housing diagram

Screw, 5/16-18 x 3/4-in

Part #17000512

Replaced by #428867

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Manufacturer substitution
This part replaces 17000512. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$2.49 | 
29% OFF Phone Price : $3.49
In Stock
Mulch Door Assembly 423358
#33

Handle/engine/housing diagram

Mulch door assembly

Part #423358

Replaced by #532420019

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Manufacturer substitution
This part replaces 423358. Substitute parts can look different from the original.
BEST SELLER
$19.98 | 
9% OFF Phone Price : $21.98
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Nut 132004
#18

Handle/engine/housing 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
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Nut.flange.5 155377
#57

Handle/engine/housing diagram

Nut.flange.5

Part #155377

Replaced by #596039201

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Manufacturer substitution
This part replaces 155377. Substitute parts can look different from the original.
This item is not returnable
$5.11
In Stock
Rod.hinge.21 175650
#45

Handle/engine/housing diagram

Rod.hinge.21

Part #175650

Replaced by #532175650

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Manufacturer substitution
This part replaces 175650. Substitute parts can look different from the original.
This item is not returnable
$6.64 | 
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In Stock
Lawn Mower Clipping Deflector (replaces 419942x418) 419942X428
#38

Handle/engine/housing diagram

Lawn mower clipping deflector (replaces 419942x418)

Part #419942X428

Replaced by #532426129

?
Manufacturer substitution
This part replaces 419942X428. Substitute parts can look different from the original.
This item is not returnable
$13.31 | 
13% OFF Phone Price : $15.31
In Stock
Guide.rope.s 194788
#19

Handle/engine/housing diagram

Guide.rope.s

Part #194788

Replaced by #586122501

?
Manufacturer substitution
This part replaces 194788. 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…

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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.…

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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