Craftsman
Gas Walk-Behind Mower

Model # 917378401 Official Craftsman gas walk-behind lawn mower

Here are the diagrams and repair parts for Official Craftsman 917378401 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 281 parts  |

Pipe Fitting 132010
#31

Wheels/tires/bag diagram

Pipe fitting

Part #132010

Replaced by #532409149

?
Manufacturer substitution
This part replaces 132010. 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
Lock Nut 83923
Lock nut

Part #83923

Replaced by #532409149

?
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
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
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
Nut 132004
#92

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
Lawn & Garden Equipment Hinge Screw 88652
#21

Engine/housing/handle 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
Cable.mzr.60 182755
#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
$19.98
9% OFF Phone Price : $21.98
In Stock
Rope Guide 179585
#19

Engine/housing/handle diagram

Rope guide

Part #179585

Replaced by #586122501

?
Manufacturer substitution
This part replaces 179585. 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.

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

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

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

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

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

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

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 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.…

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.…

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.…

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.

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.…

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.…

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.…