Craftsman
Gas Walk-Behind Mower

Model # 917378644 Official Craftsman gas walk-behind lawn mower

Here are the diagrams and repair parts for Official Craftsman 917378644 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 256 parts  |

Handle Knob 181254
#6

Engine/housing/handle diagram

Handle knob

Part #181254

Replaced by #532185577

?
Manufacturer substitution
This part replaces 181254. Substitute parts can look different from the original.
BEST SELLER
$10.64
16% OFF Phone Price : $12.64
In Stock
Lawn Mower Drive Wheel, 8 X 2-in (replaces 180767, 532180775, 5321807-75) 180775
#11

Wheels/tires/bag diagram

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

Part #180775

BEST SELLER
$23.63
20% OFF Phone Price : $29.63
In Stock
Premium Blade 176135
#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

$26.64
18% OFF Phone Price : $32.64
In Stock
Handle Bolt 131959
#5

Engine/housing/handle diagram

Handle bolt

Part #131959

Replaced by #532191574

?
Manufacturer substitution
This part replaces 131959. Substitute parts can look different from the original.
BEST SELLER
$7.98
11% OFF Phone Price : $8.98
In Stock
Selector Knob 180912
Selector knob

Part #180912

Replaced by #532701037

?
Manufacturer substitution
This part replaces 180912. 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
Lawn Mower Throttle Control 700644
#29

Engine/housing/handle diagram

Lawn mower throttle control

Part #700644

Replaced by #532700644

?
Manufacturer substitution
This part replaces 700644. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$19.98
9% OFF Phone Price : $21.98
In Stock
Return Spring 182226
#40

Wheels/tires/bag diagram

Return spring

Part #182226

Replaced by #532406558

?
Manufacturer substitution
This part replaces 182226. Substitute parts can look different from the original.
BEST SELLER
$9.31
10% OFF Phone Price : $10.31
In Stock
Lawn Mower Wheel 150341
#27

Engine/housing/handle diagram

Lawn mower wheel

Part #150341

Replaced by #532150341

?
Manufacturer substitution
This part replaces 150341. Substitute parts can look different from the original.
BEST SELLER
$38.96
13% OFF Phone Price : $44.96
In Stock
Lawn & Garden Equipment Lock Nut 73800400
#38

Wheels/tires/bag diagram

Lawn & garden equipment lock nut

Part #73800400

Replaced by #582478602

?
Manufacturer substitution
This part replaces 73800400. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$2.64
27% OFF Phone Price : $3.64
In Stock
Nut 132004
#18

Engine/housing/handle diagram

Nut

Part #132004

Replaced by #582478602

?
Manufacturer substitution
This part replaces 132004. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$2.64
27% OFF Phone Price : $3.64
In Stock

Symptoms for gas walk-behind mowers

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

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

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

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

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

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

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

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

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 drive cable

How to replace a lawn mower drive cable

The drive cable engages the transmission to spin the drive wheels and move the mower across the grass. Replace the drive…

Repair difficulty
Time required
 60 minutes or less
How to replace a lawn mower starter rope

How to replace a lawn mower starter rope

These step-by-step instructions show how to replace a broken starter pull rope on a walk-behind lawn mower.…

Repair difficulty
Time required
 30 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.

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

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

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

Top questions about Sears and Sears PartsDirect

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