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Craftsman
Gas Walk-Behind Mower

Model # 917389621 Official Craftsman gas walk-behind lawn mower

Here are the diagrams and repair parts for Official Craftsman 917389621 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 216 parts  |
Lock Nut 83923
#39

Rotary lawn mower diagram

Lock nut

Part #83923

Replaced by #532409149

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Manufacturer substitution
This part replaces 83923. Substitute parts can look different from the original.
BEST SELLER
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$4.74 | 
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Belt, 21-in 175064
#56

Rotary lawn mower diagram

Belt, 21-in

Part #175064

Replaced by #532406712

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Manufacturer substitution
This part replaces 175064. Substitute parts can look different from the original.
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$14.05 | 
12% OFF Phone Price : $16.05
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Skirt 165858
#21

Rotary lawn mower diagram

Skirt

Part #165858

Replaced by #413160

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Manufacturer substitution
This part replaces 165858. Substitute parts can look different from the original.
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$10.49 | 
16% OFF Phone Price : $12.49
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Handle Knob 136376
#14

Rotary lawn mower diagram

Handle knob

Part #136376

Replaced by #532185577

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Manufacturer substitution
This part replaces 136376. Substitute parts can look different from the original.
BEST SELLER
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$2.49 | 
29% OFF Phone Price : $3.49
In Stock
Lawn & Garden Equipment Screw 851084
#53

Rotary lawn mower diagram

Lawn & garden equipment screw

Part #851084

Replaced by #532435345

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Manufacturer substitution
This part replaces 851084. Substitute parts can look different from the original.
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$3.49 | 
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Lawn & Garden Equipment Washer (replaces 532851074, 5328510-74) 851074
#55

Rotary lawn mower diagram

Lawn & garden equipment washer (replaces 532851074, 5328510-74)

Part #851074

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$2.79 | 
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Lawn & Garden Equipment Hinge Screw 88652
#41

Rotary lawn 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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$4.19 | 
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Nut 132004
#71

Rotary lawn mower diagram

Nut

Part #132004

Replaced by #582478602

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Manufacturer substitution
This part replaces 132004. Substitute parts can look different from the original.
This item is not returnable
$2.49 | 
29% OFF Phone Price : $3.49
In Stock
Lawn & Garden Equipment Self-tapping Screw (replaces 532081276, 532750634, 81276) 750634
#12

Rotary lawn mower diagram

Lawn & garden equipment self-tapping screw (replaces 532081276, 532750634, 81276)

Part #750634

This item is not returnable
$3.79 | 
21% OFF Phone Price : $4.79
In Stock
Decal 85463
#46

Rotary lawn mower diagram

Decal

Part #85463

Replaced by #539913010

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Manufacturer substitution
This part replaces 85463. Substitute parts can look different from the original.
This item is not returnable
$3.13
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 stall?

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

Read more

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 run rough?

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

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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 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 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 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 ignition coil on a flathead engine

How to replace a lawn mower ignition coil on a flathead engine

If the spark plug doesn't fire when you try to start the mower, you could have a defective ignition coil. Follow these s…

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Repair difficulty
Time required
 30 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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Tapping into a new feature in the Search Bar on Sears PartsDirect

Tapping into a new feature in the Search Bar on Sears PartsDirect

Learn about a new feature added to the Search Bar on Sears PartsDirect…

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Introducing new technical repair content that we’re developing for the Sears Technical Institute

Introducing new technical repair content that we’re developing for the Sears Technical Institute

Learn about Sears Technical Institute and the advanced technical content being developed for aspiring appliance techs.…

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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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