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Craftsman
Gas Walk-Behind Mower

Model # 917370740 Official Craftsman lawn mower

Here are the diagrams and repair parts for Official Craftsman 917370740 lawn mower, as well as links to manuals and error code tables, if available.

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  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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For DIY troubleshooting advice and repair guides, visit our repair help section.

Owner’s manual

Model diagram and schematic

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ALL PARTS
Showing 10 of 57 parts  |
Lock Nut 73800500
#24

Engine/housing/handle/grassbag diagram

Lock nut

Part #73800500

Replaced by #596040501

?
Manufacturer substitution
This part replaces 73800500. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$5.11
In Stock
Lawn Mower Ground Drive Belt, 5/16 X 34-5/8-in (replaces 532183688, 5321836-88) 183688
#44

Drive control/gear case/wheels diagram

Lawn mower ground drive belt, 5/16 x 34-5/8-in (replaces 532183688, 5321836-88)

Part #183688

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

Seal.input.s 183514
#62

Drive control/gear case/wheels diagram

Seal.input.s

Part #183514

Replaced by #532183514

?
Manufacturer substitution
This part replaces 183514. Substitute parts can look different from the original.
$9.31
| 
10% OFF Phone Price : $10.31
In Stock
Lawn Mower Output Shaft Gear 187532
#53

Drive control/gear case/wheels diagram

Lawn mower output shaft gear

Part #187532

Replaced by #532187532

?
Manufacturer substitution
This part replaces 187532. Substitute parts can look different from the original.
$20.54
In Stock
Formed Wire 183505
#55

Drive control/gear case/wheels diagram

Formed wire

Part #183505

Replaced by #532183505

?
Manufacturer substitution
This part replaces 183505. Substitute parts can look different from the original.
$10.26
In Stock
Lawn & Garden Equipment Washer (replaces 532851074, 5328510-74) 851074
#32

Engine/housing/handle/grassbag diagram

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

Part #851074

Replaced by #532851074

?
Manufacturer substitution
This part replaces 851074. Substitute parts can look different from the original.
This item is not returnable
$6.83
In Stock
Lawn Mower Blade Debris Shield Mounting Bracket 188839X004
#48

Engine/housing/handle/grassbag diagram

Lawn mower blade debris shield mounting bracket

Part #188839X004

Replaced by #532188839

?
Manufacturer substitution
This part replaces 188839X004. Substitute parts can look different from the original.
$8.54
In Stock
Lawn Mower Height Adjuster Knob 701037
#19

Drive control/gear case/wheels diagram

Lawn mower height adjuster knob

Part #701037

Replaced by #532701037

?
Manufacturer substitution
This part replaces 701037. Substitute parts can look different from the original.
This item is not returnable
$6.64
| 
13% OFF Phone Price : $7.64
In Stock
Lawn Mower Battery 189589
#63

Engine/housing/handle/grassbag diagram

Lawn mower battery

Part #189589

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

Lawn Mower Idler Pulley 166043
#55

Engine/housing/handle/grassbag diagram

Lawn mower idler pulley

Part #166043

Replaced by #532166043

?
Manufacturer substitution
This part replaces 166043. Substitute parts can look different from the original.
$37.31
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 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 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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