Craftsman
Gas Walk-Behind Mower

Model #917380520 Official Craftsman lawn mower

Here are the diagrams and repair parts for Craftsman 917380520 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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Parts List

Showing 10 of 245 parts

Lawn Mower Rear Skirt (replaces 188987, 189008, 532413160, 5324131-60)#18

Lawn mower Diagram

Deflector

Part #128797
Replaced by #413160
?
Manufacturer substitution
This part replaces 128797. Substitute parts can look different from the original.
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MSRP: $12.00
Lawn Mower Handle Knob (replaces 180453, 189713X418, 442571X428)#14

Lawn mower Diagram

Handle knob

Part #136376
Replaced by #532185577
?
Manufacturer substitution
This part replaces 136376. Substitute parts can look different from the original.
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Lawn & Garden Equipment Engine Carburetor Float Bowl Gasket (replaces 485-862)#29

Carburetor Diagram

Lawn mower o-ring

Part #631028
Replaced by #631028A
?
Manufacturer substitution
This part replaces 631028. Substitute parts can look different from the original.
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Lawn Mower Bolt (replaces 191574)#7

Lawn mower Diagram

Handle bolt

Part #131959
Replaced by #532191574
?
Manufacturer substitution
This part replaces 131959. Substitute parts can look different from the original.
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Lawn & Garden Equipment Engine Carburetor Needle Valve Kit (replaces 525-212)#30

Carburetor Diagram

Needle seat

Part #631021
Replaced by #631021B
?
Manufacturer substitution
This part replaces 631021. Substitute parts can look different from the original.
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Lawn Tractor Lock Nut (replaces 5394H, 73750600, 751592)#22

Lawn mower Diagram

Lock nut

Part #751592
Replaced by #73930600
?
Manufacturer substitution
This part replaces 751592. Substitute parts can look different from the original.
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Lawn Mower Blade Adapter (replaces 532850977, 5328509-77, 850977)#57

Lawn mower Diagram

Lawn mower blade adapter

Part #851514
Replaced by #581547901
?
Manufacturer substitution
This part replaces 851514. Substitute parts can look different from the original.
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Lawn & Garden Equipment Engine Recoil Starter Assembly (replaces 31-050, 350694, 590458, 590558, 590695A, 730581)#1-13

Starter 590686 (71/143) Diagram

Starter

Part #590686
Replaced by #590785
?
Manufacturer substitution
This part replaces 590686. Substitute parts can look different from the original.
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Lawn & Garden Equipment Engine Carburetor Float Bowl Washer (replaces 49-084)#44

Carburetor Diagram

Gasket

Part #27110
Replaced by #27110A
?
Manufacturer substitution
This part replaces 27110. Substitute parts can look different from the original.
BEST SELLER
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In Stock
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Phone Price: $3.49
Lawn & Garden Equipment Bolt (replaces 532150406, 532850998, 850998)#51

Lawn mower Diagram

Screw

Part #850998
Replaced by #150406
?
Manufacturer substitution
This part replaces 850998. Substitute parts can look different from the original.
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Symptoms for gas walk-behind mowers

Choose a symptom to see related walk-behind mower repairs.

Main causes: uneven wheel height settings, damaged wheel, dull or damaged cutting blade
Main causes: damaged cutting blade, loose cutting blade, damaged flywheel key, engine needs tune up
Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key
Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent
Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel
Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, bad ignition coil

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.

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 cracked.

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

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

Repair difficulty
Time required
 15 minutes or less
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 replace this tiny but essential part.

Repair difficulty
Time required
 45 minutes or less

Articles and videos common to all 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