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Craftsman
Gas Walk-Behind Mower

Model # 917378591 Official Craftsman gas walk-behind lawn mower

Here are the diagrams and repair parts for Official Craftsman 917378591 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 68 parts  |
Spring 850855X004
#38

Craftsman 22" rotary lawnmower diagram

Spring

Part #850855X004

Replaced by #532401621

?
Manufacturer substitution
This part replaces 850855X004. Substitute parts can look different from the original.
$8.54
In Stock
American Yard Products Lawn & Garden Equipment Washer (replaces 532088343, 532088348, 5320883-48, 532-088348, 532088384) 88348
#11

Craftsman 22" rotary lawnmower 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 Bushing 86960
#25

Craftsman 22" rotary lawnmower diagram

Lawn mower bushing

Part #86960

Replaced by #532086960

?
Manufacturer substitution
This part replaces 86960. Substitute parts can look different from the original.
This item is not returnable
$8.54
In Stock
Lawn Mower Drive Cover 137088
#32

Craftsman 22" rotary lawnmower diagram

Lawn mower drive cover

Part #137088

Replaced by #582952501

?
Manufacturer substitution
This part replaces 137088. Substitute parts can look different from the original.
$20.54
In Stock
Walk-behind Lawn Mower Engine 141131
#68

Craftsman 22" rotary lawnmower diagram

Walk-behind lawn mower engine

Part #141131

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

Upper Handle 133088X479
#1

Craftsman 22" rotary lawnmower diagram

Upper handle

Part #133088X479

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

Shaft 137051
#8

Gear case assembly diagram

Shaft

Part #137051

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

Screw 850998
#52

Craftsman 22" rotary lawnmower diagram

Screw

Part #850998

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

Catcher 33072

#NI

All parts diagram

Catcher

Part #33072

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

Pulley 137052
#37

Craftsman 22" rotary lawnmower diagram

Pulley

Part #137052

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 stall?

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

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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 cut unevenly?

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

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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 does my lawn mower run rough?

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

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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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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 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 transmission

How to replace a lawn mower transmission

Learn how to replace the transmission on your lawn mower if it's locked up or won't drive the wheels.…

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

How to replace a lawn mower carburetor

The carburetor mixes air with fuel to drive the piston. Replace the carburetor if it's clogged or damaged.…

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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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