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Craftsman
Gas Walk-Behind Mower

Model # 917372451 Official Craftsman lawn mower

Here are the diagrams and repair parts for Official Craftsman 917372451 lawn mower, as well as links to manuals and error code tables, if available.

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Owner’s manual

Model diagram and schematic

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ALL PARTS
Showing 10 of 143 parts  |
Lock Nut 83923
#29

Main frame 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
This item is not returnable
$5.31 | 
16% OFF Phone Price : $6.31
In Stock
Lawn Mower 22-in Deck Mulching Blade 850973
Lawn mower 22-in deck mulching blade

Part #850973

Replaced by #532406713

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Manufacturer substitution
This part replaces 850973. Substitute parts can look different from the original.
BEST SELLER

Get free shipping with Automatic Reorder

$28.29 | 
17% OFF Phone Price : $34.29
In Stock
Selector Knob 77865
Selector knob

Part #77865

Replaced by #532701037

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Manufacturer substitution
This part replaces 77865. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$6.64 | 
13% OFF Phone Price : $7.64
In Stock
Lawn Mower Blade Adapter 851514
Lawn mower blade adapter

Part #851514

Replaced by #581547901

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Manufacturer substitution
This part replaces 851514. Substitute parts can look different from the original.
BEST SELLER
$18.44 | 
10% OFF Phone Price : $20.44
In Stock
Rope Guide 750820
#24

Main frame diagram

Rope guide

Part #750820

Replaced by #586122501

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Manufacturer substitution
This part replaces 750820. Substitute parts can look different from the original.
This item is not returnable
$15.59 | 
11% OFF Phone Price : $17.59
In Stock
Carriage Bolt, 5/16-18 X 3/4-in STD533107
#24

Drive assembly diagram

Carriage bolt, 5/16-18 x 3/4-in

Part #STD533107

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

Bolt 58714
#21

Main frame diagram

Bolt

Part #58714

Replaced by #532183724

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Manufacturer substitution
This part replaces 58714. Substitute parts can look different from the original.
This item is not returnable
$11.98 | 
14% OFF Phone Price : $13.98
In Stock
American Yard Products Lawn & Garden Equipment Washer (replaces 532088343, 532088348, 5320883-48, 532-088348, 532088384) 88348
#47

Main frame 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
Lock Nut 88349
Lock nut

Part #88349

Replaced by #532088349

?
Manufacturer substitution
This part replaces 88349. Substitute parts can look different from the original.
This item is not returnable
$6.83
In Stock
Screw 86055
#7

Main frame diagram

Screw

Part #86055

Replaced by #532183365

?
Manufacturer substitution
This part replaces 86055. Substitute parts can look different from the original.
$8.54
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 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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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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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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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 spark plug

How to replace a lawn mower spark plug

Take a few minutes to replace the spark plug during your lawn mower's annual tune-up or if the spark plug is burnt or cr…

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Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower blade

How to replace a lawn mower blade

Check your lawn mower blade regularly and replaced it if it's bent or damaged. …

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower flywheel key on a flathead engine

How to replace a lawn mower flywheel key on a flathead engine

When you hit a hard object with your mower, the flywheel can shear to protect more expensive components. Learn how to re…

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Repair difficulty
Time required
 45 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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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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