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Craftsman
Gas Walk-Behind Mower

Model # 917377120 Official Craftsman gas walk-behind lawn mower

Here are the diagrams and repair parts for Official Craftsman 917377120 gas walk-behind lawn mower, as well as links to manuals and error code tables, if available.

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Owner’s manual
  View engine

Model diagram and schematic

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ALL PARTS
Showing 10 of 297 parts  |
Lawn & Garden Equipment Nut 409148
#33

Drive control/gear case/wheels diagram

Lawn & garden equipment nut

Part #409148

Replaced by #532409149

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Manufacturer substitution
This part replaces 409148. 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 Hex Flange Nut 409149
#24

Drive control/gear case/wheels diagram

Lawn mower hex flange nut

Part #409149

Replaced by #532409149

?
Manufacturer substitution
This part replaces 409149. 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 Battery Charger 190097
#80

Engine/housing/handle diagram

Lawn mower battery charger

Part #190097

Replaced by #597186301

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Manufacturer substitution
This part replaces 190097. Substitute parts can look different from the original.
BEST SELLER
$32.98 | 
15% OFF Phone Price : $38.98
In Stock
Husqvarna Lawn Mower 21-in Deck Mulching Blade (replaces 187183, 33273, 33364, 532159267) 159267
#16

Engine/housing/handle diagram

Husqvarna lawn mower 21-in deck mulching blade (replaces 187183, 33273, 33364, 532159267)

Part #159267

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$8.93 | 
10% OFF Phone Price : $9.93
In Stock
Return Spring 406558
#16

Drive control/gear case/wheels diagram

Return spring

Part #406558

Replaced by #532406558

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Manufacturer substitution
This part replaces 406558. Substitute parts can look different from the original.
BEST SELLER
$9.31 | 
10% OFF Phone Price : $10.31
In Stock
Molded Ignition Key 180331
#77

Engine/housing/handle diagram

Molded ignition key

Part #180331

Replaced by #532180331

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Manufacturer substitution
This part replaces 180331. Substitute parts can look different from the original.
BEST SELLER
$7.98 | 
11% OFF Phone Price : $8.98
In Stock
Lawn Mower Hex Nut, #10-24 (replaces 532191730, 5321917-30, 59937, 751152) 191730
#24

Engine/housing/handle diagram

Lawn mower hex nut, #10-24 (replaces 532191730, 5321917-30, 59937, 751152)

Part #191730

Replaced by #532191730

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Manufacturer substitution
This part replaces 191730. Substitute parts can look different from the original.
This item is not returnable
$6.83
In Stock
Lawn & Garden Equipment Washer (replaces 532851074, 5328510-74) 851074
#17

Engine/housing/handle 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 Selector Spring 188508X004
#43

Drive control/gear case/wheels diagram

Lawn mower selector spring

Part #188508X004

Replaced by #532188508

?
Manufacturer substitution
This part replaces 188508X004. Substitute parts can look different from the original.
$13.69
In Stock
Lawn Mower Blade Adapter 186766
#20

Engine/housing/handle diagram

Lawn mower blade adapter

Part #186766

Replaced by #532186766

?
Manufacturer substitution
This part replaces 186766. Substitute parts can look different from the original.
$32.98 | 
15% OFF Phone Price : $38.98
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. …

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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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