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Craftsman
Gas Walk-Behind Mower

Model # 917389050 Official Craftsman lawn mower

Here are the diagrams and repair parts for Official Craftsman 917389050 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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Lawn Mower 21-in Deck Mulching Blade 406706
#56

Rotary mower diagram

Lawn mower 21-in deck mulching blade

Part #406706

Replaced by #532406706

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Manufacturer substitution
This part replaces 406706. Substitute parts can look different from the original.
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$26.64 | 
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Lawn Mower Wheel, 8 X 1-3/4-in 194348X460
Lawn mower wheel, 8 x 1-3/4-in

Part #194348X460

Replaced by #583720201

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This part replaces 194348X460. Substitute parts can look different from the original.
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Bolt 401638
#36

Rotary mower diagram

Bolt

Part #401638

Replaced by #596203801

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This part replaces 401638. Substitute parts can look different from the original.
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$5.31 | 
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Lawn & Garden Equipment Lock Nut 73800400
#62

Rotary mower diagram

Lawn & garden equipment lock nut

Part #73800400

Replaced by #582478602

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This part replaces 73800400. Substitute parts can look different from the original.
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Nut 132004
#5

Rotary mower diagram

Nut

Part #132004

Replaced by #582478602

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This part replaces 132004. Substitute parts can look different from the original.
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Lawn & Garden Equipment Hinge Screw 88652
#41

Rotary mower diagram

Lawn & garden equipment hinge screw

Part #88652

Replaced by #532088652

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Manufacturer substitution
This part replaces 88652. Substitute parts can look different from the original.
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Guide.rope.s 194788
#4

Rotary mower diagram

Guide.rope.s

Part #194788

Replaced by #586122501

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Torsion Spring 152124
#58

Rotary mower diagram

Torsion spring

Part #152124

Replaced by #532152124

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This item is not returnable
$7.98 | 
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Hex Flange Nut 166785
#47

Rotary mower diagram

Hex flange nut

Part #166785

Replaced by #585802801

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Manufacturer substitution
This part replaces 166785. Substitute parts can look different from the original.
$8.54
In Stock
Lawn Mower Selector Spring 401621X004
#22

Rotary mower diagram

Lawn mower selector spring

Part #401621X004

Replaced by #532401621

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Manufacturer substitution
This part replaces 401621X004. Substitute parts can look different from the original.
$8.54
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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.…

Read more
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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