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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.

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Owner’s manual
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Model diagram and schematic

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ALL PARTS
Showing 10 of 178 parts  |
Cable.mzr.60 182755
#4

Engine/housing/handle diagram

Cable.mzr.60

Part #182755

Replaced by #532183567

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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
American Yard Products Lawn & Garden Equipment Washer (replaces 532088343, 532088348, 5320883-48, 532-088348, 532088384) 88348
#29

Engine/housing/handle diagram

American yard products lawn & garden equipment washer (replaces 532088343, 532088348, 5320883-48, 532-088348, 532088384)

Part #88348

Replaced by #532088348

?
Manufacturer substitution
This part replaces 88348. Substitute parts can look different from the original.
This item is not returnable
$6.83
In Stock
Lawn Mower Drive Pawl (replaces 532175098, 5321750-98) 175098
#21

Wheels/tires/bag diagram

Lawn mower drive pawl (replaces 532175098, 5321750-98)

Part #175098

Replaced by #532175098

?
Manufacturer substitution
This part replaces 175098. Substitute parts can look different from the original.
$8.54
In Stock
Control Bar 185503
#6

Wheels/tires/bag diagram

Control bar

Part #185503

Replaced by #532198453

?
Manufacturer substitution
This part replaces 185503. Substitute parts can look different from the original.
This item is not returnable
$39.98
In Stock
Poulan Lawn Mower Gear Case, Upper 174917
#62

Wheels/tires/bag diagram

Poulan lawn mower gear case, upper

Part #174917

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

Wire Tie 66426
#8

Engine/housing/handle diagram

Wire tie

Part #66426

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

O-ring 188152
O-ring

Part #188152

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

E-ring 12000003
#72

Wheels/tires/bag diagram

E-ring

Part #12000003

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

Axle Arm Assembly 165762X004
#34

Engine/housing/handle diagram

Axle arm assembly

Part #165762X004

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

Friction Disc 175101
#15

Wheels/tires/bag diagram

Friction disc

Part #175101

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

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.…

Read more
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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