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Craftsman
Gas Walk-Behind Mower

Model # 917378730 Official Craftsman gas walk-behind lawn mower

Here are the diagrams and repair parts for Official Craftsman 917378730 gas walk-behind lawn mower, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 99 parts  |
Skirt 751084
#21

Main frame diagram

Skirt

Part #751084

Replaced by #413160

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Manufacturer substitution
This part replaces 751084. Substitute parts can look different from the original.
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$8.60 | 
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Washer 67725
#26

Drive assembly diagram

Washer

Part #67725

Replaced by #532067725

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Manufacturer substitution
This part replaces 67725. Substitute parts can look different from the original.
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This item is not returnable
$4.20 | 
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Washer 52160
Washer

Part #52160

Replaced by #596040101

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Manufacturer substitution
This part replaces 52160. Substitute parts can look different from the original.
This item is not returnable
$2.16
In Stock
Screw 850998
#45

Main frame diagram

Screw

Part #850998

Replaced by #150406

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Manufacturer substitution
This part replaces 850998. Substitute parts can look different from the original.
This item is not returnable
$4.89 | 
17% OFF Phone Price : $5.89
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Bolt 72907
#8

Drive assembly diagram

Bolt

Part #72907

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

Spacer 84920
#34

Main frame diagram

Spacer

Part #84920

Replaced by #532401629

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Manufacturer substitution
This part replaces 84920. Substitute parts can look different from the original.
This item is not returnable
$3.09 | 
24% OFF Phone Price : $4.09
In Stock
Walk-behind Lawn Mower Selector Knob 87877
Walk-behind lawn mower selector knob

Part #87877

Replaced by #532087877

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Manufacturer substitution
This part replaces 87877. Substitute parts can look different from the original.
This item is not returnable
$3.09 | 
24% OFF Phone Price : $4.09
In Stock
Retainer Clip 85179
Retainer clip

Part #85179

Replaced by #532085179

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Manufacturer substitution
This part replaces 85179. Substitute parts can look different from the original.
This item is not returnable
$4.19
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Lawn Mower Drive Belt 88519
#36

Drive assembly diagram

Lawn mower drive belt

Part #88519

Replaced by #582944901

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Manufacturer substitution
This part replaces 88519. Substitute parts can look different from the original.
This item is not returnable

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$12.59 | 
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Lawn Mower Wheel Dust Cover 88080
#29

Drive assembly diagram

Lawn mower wheel dust cover

Part #88080

This item is not returnable
$3.00 | 
25% OFF Phone Price : $4.00
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.…

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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.…

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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.…

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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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