Craftsman
Gas Walk-Behind Mower

Model # 917378492 Official Craftsman gas walk-behind lawn mower

Here are the diagrams and repair parts for Official Craftsman 917378492 gas walk-behind lawn mower, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • 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”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 252 parts  |

Lawn Mower 21-in Deck Mulching Blade (replaces 33276, 33521, 406706, 5321761-35)
#47

Engine/housing/handle diagram

Premium blade

Part #176135

Replaced by #532406706

?
Manufacturer substitution
This part replaces 176135. Substitute parts can look different from the original.
BEST SELLER

Get free shipping with Automatic Reorder

$30.00
14% OFF Phone Price : $35.00
In Stock
Lawn Mower Wheel Dust Cover (replaces 189403, 532189403, 5321894-03)
#14

Wheels/tires/bag diagram

Dust cover

Part #180504

Replaced by #581840401

?
Manufacturer substitution
This part replaces 180504. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$3.89
20% OFF Phone Price : $4.89
In Stock
Engine Fuel Stabilizer, 12-oz (replaces 33500)

#NI04

All parts diagram

Fuel stabilizer

Part #33500

Replaced by #95012

?
Manufacturer substitution
This part replaces 33500. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable

Get free shipping with Automatic Reorder

$4.99
17% OFF Phone Price : $5.99
In Stock
Lawn Mower Zone Control Cable (replaces 183567, 5321835-67)
#4

Engine/housing/handle diagram

Cable.mzr.60

Part #182755

Replaced by #532183567

?
Manufacturer substitution
This part replaces 182755. Substitute parts can look different from the original.
BEST SELLER
$13.99
13% OFF Phone Price : $15.99
In Stock
Lawn Mower E-Ring (replaces 12000057)
#12

Wheels/tires/bag diagram

Lawn mower e-ring (replaces 12000057)

Part #12000058

BEST SELLER
This item is not returnable
$2.79
26% OFF Phone Price : $3.79
In Stock
Lawn & Garden Equipment Washer (replaces 532851074, 5328510-74)
#48

Engine/housing/handle diagram

Lawn & garden equipment washer (replaces 532851074, 5328510-74)

Part #851074

BEST SELLER
This item is not returnable
$2.79
26% OFF Phone Price : $3.79
In Stock
Lawn Mower Grass Bag (replaces 183994, 184012, 184895, 185581, 185897, 186036, 186937, 532410677)
#54

Wheels/tires/bag diagram

Lawn mower grass bagger

Part #185897

Replaced by #410677

?
Manufacturer substitution
This part replaces 185897. Substitute parts can look different from the original.
BEST SELLER
$56.04
8% OFF Phone Price : $61.04
In Stock
Lawn Mower Drive Pinion Torsion Spring (replaces 188291)
#20

Wheels/tires/bag diagram

Spring

Part #188291

Replaced by #532188291

?
Manufacturer substitution
This part replaces 188291. 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
Lawn Mower Ground Drive Belt, 3/8 x 33-9/16-in (replaces 532169778)
#5

Wheels/tires/bag diagram

Lawn mower ground drive belt, 3/8 x 33-9/16-in (replaces 532169778)

Part #169778

BEST SELLER

Get free shipping with Automatic Reorder

$20.19
20% OFF Phone Price : $25.19
In Stock
Lawn & Garden Equipment Pan Head Screw (replaces 532175262, 5321752-62)
#3

Wheels/tires/bag diagram

Lawn & garden equipment pan head screw (replaces 532175262, 5321752-62)

Part #175262

BEST SELLER
This item is not returnable
$5.29
16% OFF Phone Price : $6.29
In Stock

Symptoms for gas walk-behind mowers

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

April 19, 2023

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

April 19, 2023

Main causes: uneven wheel height settings, damaged wheel, dull or damaged cutting blade…

April 19, 2023

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

January 10, 2024

Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, ba…

January 10, 2024

Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent…

January 10, 2024

Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel…

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.

How to replace a lawn mower spark plug
March 01, 2016

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…

Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower blade
March 01, 2016

How to replace a lawn mower blade

Check your lawn mower blade regularly and replaced it if it's bent or damaged. …

Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower flywheel key on a flathead engine
April 01, 2013

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…

Repair difficulty
Time required
 45 minutes or less

Articles and videos common to all walk-behind mowers

Use the advice and tips in these articles and videos to get the most out of your walk-behind lawn mower.

Tapping into a new feature in the Search Bar on Sears PartsDirect
August 11, 2022

Tapping into a new feature in the Search Bar on Sears PartsDirect

Learn about a new feature added to the Search Bar on Sears PartsDirect…

Introducing new technical repair content that we’re developing for the Sears Technical Institute
August 05, 2022

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.…

Top questions about Sears and Sears PartsDirect
June 29, 2022

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…