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Craftsman
Gas Walk-Behind Mower

Model # 917376090 Official Craftsman lawn mower

Here are the diagrams and repair parts for Official Craftsman 917376090 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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Lawn Mower 21-in Deck 3-in-1 Blade (replaces 532189028, 5321890-28) 189028
#47

Engine/housing/handle diagram

Lawn mower 21-in deck 3-in-1 blade (replaces 532189028, 5321890-28)

Part #189028

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Lock Nut 83923
#9

Drive control/gear case/wheels 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.
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Hex Flange Lock Nut 145212
#26

Engine/housing/handle diagram

Hex flange lock nut

Part #145212

Replaced by #532409149

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Manufacturer substitution
This part replaces 145212. Substitute parts can look different from the original.
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Lawn Mower Wheel Dust Cover 189403
#14

Drive control/gear case/wheels diagram

Lawn mower wheel dust cover

Part #189403

Replaced by #581840401

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Manufacturer substitution
This part replaces 189403. Substitute parts can look different from the original.
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Lawn & Garden Equipment Screw 851084
#50

Engine/housing/handle diagram

Lawn & garden equipment screw

Part #851084

Replaced by #532435345

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Manufacturer substitution
This part replaces 851084. Substitute parts can look different from the original.
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Lawn & Garden Equipment Washer (replaces 532851074, 5328510-74) 851074
#48

Engine/housing/handle diagram

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

Part #851074

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Gbag.3061012 401887
#54

Drive control/gear case/wheels diagram

Gbag.3061012

Part #401887

Replaced by #410667

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This part replaces 401887. Substitute parts can look different from the original.
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Lawn Mower Height Adjuster Knob 701037
Lawn mower height adjuster knob

Part #701037

Replaced by #532701037

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Manufacturer substitution
This part replaces 701037. Substitute parts can look different from the original.
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Drive Pawl 191017
#15

Drive control/gear case/wheels diagram

Drive pawl

Part #191017

Replaced by #532404845

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Manufacturer substitution
This part replaces 191017. Substitute parts can look different from the original.
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Lawn Mower Ground Drive Belt, 3/8 X 32-1/2-in (replaces 532175436) 175436
#5

Drive control/gear case/wheels diagram

Lawn mower ground drive belt, 3/8 x 32-1/2-in (replaces 532175436)

Part #175436

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$14.94 | 
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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…

Read more

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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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…

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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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