Craftsman
Gas Walk-Behind Mower

Model #917378170 Craftsman lawn mower

Here are the diagrams and repair parts for Craftsman 917378170 lawn mower, as well as links to manuals and error code tables, if available.


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Showing 10 of 118 parts

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Lawn & Garden Equipment Washer

#55

Main frame Diagram

Lawn & garden equipment washer

Part #851074
This item is not returnable
$2.53 | 
40% OFF MSRP:$4.25

In Stock

Lawn & Garden Equipment Washer

#10

Gear case assembly Diagram

$10.07

In Stock

Lawn Mower Transmission Axle

#9

Gear case assembly Diagram

$42.99

In Stock

Lawn & Garden Equipment V-Belt

#6

Drive assembly Diagram

Lawn & garden equipment v-belt

Part #83691

Get free shipping with Automatic Reorder

$14.32

In Stock

Lawn Mower Washer

#18

Drive assembly Diagram

Lawn mower washer

Part #851226
This item is not returnable
$3.28

In Stock

Lawn Mower 22-in Deck Mulching Blade

#56

Main frame Diagram

Lawn mower 22-in deck mulching blade

Part #532406713
?
Manufacturer substitution
This part replaces 850973. Substitute parts can look different from the original.
This part replaces 850973
$13.52 | 
30% OFF MSRP:$19.42

In Stock

Retainer Ring

#11

Drive assembly Diagram

Retainer ring

Part #STD582087

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

Washer

#47

Main frame Diagram

Washer

Part #532059289
?
Manufacturer substitution
This part replaces 59289. Substitute parts can look different from the original.
This part replaces 59289
This item is not returnable
$3.37

In Stock

Lawn & Garden Equipment Bolt

#52

Main frame Diagram

Lawn & garden equipment bolt

Part #150406
?
Manufacturer substitution
This part replaces 850998. Substitute parts can look different from the original.
This part replaces 850998
This item is not returnable
$4.29

In Stock

Lawn Mower Wheel Bushing Kit

#4

Main frame Diagram

Lawn mower wheel bushing kit

Part #532086960
?
Manufacturer substitution
This part replaces 86960. Substitute parts can look different from the original.
This part replaces 86960
This item is not returnable
$4.57

In Stock

Showing 10 of 118 parts

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: uneven wheel height settings, damaged wheel, dull or damaged cutting blade
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: engine needs tune up, dirty or clogged carburetor, damaged flywheel key
Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, bad ignition coil

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.

March 1, 2016
By Lyle Weischwill
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 cable if it's broken or frozen up inside the sheath.

Repair difficulty
Time required
 60 minutes or less
April 1, 2013
By Lyle Weischwill
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
April 1, 2013
By Lyle Weischwill
How to replace a lawn mower safety switch

The safety switch stops the engine when you release the lever on the handle. This repair guide explains how to replace it if it's not working correctly.

Repair difficulty
Time required
 30 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.

October 1, 2019

Types of walk-behind mower blades video

By Sears PartsDirect staff

Learn about the different kinds of mower blades and how to maintain them.