Craftsman
Gas Walk-Behind Mower

Model #917374543 Official Craftsman lawn mower

Here are the diagrams and repair parts for Craftsman 917374543 lawn mower, as well as links to manuals and error code tables, if available.

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

Owner’s manual

Showing 10 of 237 parts

Lawn Mower 22-in Deck 3-in-1 Blade#47

Engine/housing/handle Diagram

Lawn mower 22-in deck 3-in-1 blade

Part #421825
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Lawn Mower Lock Nut, 3/8-in (replaces 409149, 532409148)#57

Drive control/gear case/wheels Diagram

Lawn mower hex flange nut

Part #409149
Replaced by #532409149
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Lawn Mower Lock Nut, 3/8-in (replaces 409149, 532409148)#33

Drive control/gear case/wheels Diagram

Lawn & garden equipment nut

Part #409148
Replaced by #532409149
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Lawn Mower Blade Adapter (replaces 421782)#46

Engine/housing/handle Diagram

Blade adapter

Part #421782
Replaced by #581473301
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Lawn Mower Handle Knob (replaces 180453, 189713X418, 442571X428)#12

Engine/housing/handle Diagram

Hndl.knob.bl

Part #189713X428
Replaced by #532185577
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Free Shipping Lawn Mower Ground Drive Belt, 3/8 x 35-3/8-in (replaces 532421527)#44

Drive control/gear case/wheels Diagram

Free shipping lawn mower ground drive belt, 3/8 x 35-3/8-in (replaces 532421527)

Part #421527
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Lawn & Garden Equipment Hex Head Bolt, 3/8-24 x 1-1/8-in (replaces 5328510-84, 851084)#50

Engine/housing/handle Diagram

Lawn & garden equipment screw

Part #851084
Replaced by #532435345
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Lawn Mower Bolt (replaces 191574)#59

Engine/housing/handle Diagram

Handle bolt

Part #191574
Replaced by #532191574
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Lawn Mower Discharge Chute Door Spring, Right#24

Engine/housing/handle Diagram

Lawn mower discharge chute door spring, right

Part #419948
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Lawn Mower Grass Bag Frame (replaces 419951)#31

Engine/housing/handle Diagram

Lawn mower grass bag frame

Part #419951
Replaced by #585054702
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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

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