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Craftsman
Gas Walk-Behind Mower

Model # 917377091 Official Craftsman lawn mower

Here are the diagrams and repair parts for Official Craftsman 917377091 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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Model diagram and schematic

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Showing 10 of 280 parts  |
Lawn Mower 21-in Deck 3-in-1 Blade (replaces 532189028, 5321890-28) 189028
#16

Engine/housing/handle/bag diagram

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

Part #189028

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$12.13 | 
39% OFF MSRP : $20.00
In Stock
Lock Nut 83923
#33

Wheels/tires/gearcase 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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$4.74 | 
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Hex Flange Lock Nut 145212
#24

Wheels/tires/gearcase 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.
BEST SELLER
This item is not returnable
$4.74 | 
17% OFF Phone Price : $5.74
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Handle Bolt 191574
#39

Engine/housing/handle/bag diagram

Handle bolt

Part #191574

Replaced by #532191574

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Manufacturer substitution
This part replaces 191574. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$2.89 | 
26% OFF Phone Price : $3.89
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Lawn Mower E-ring (replaces 12000057) 12000058
Lawn mower e-ring (replaces 12000057)

Part #12000058

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$2.79 | 
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Lawn Mower Drive Pawl (replaces 532175098, 5321750-98) 175098
#37

Wheels/tires/gearcase diagram

Lawn mower drive pawl (replaces 532175098, 5321750-98)

Part #175098

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$2.20 | 
31% OFF MSRP : $3.20
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Lawn Mower Drive Control Lever 190038
#4

Wheels/tires/gearcase diagram

Lawn mower drive control lever

Part #190038

Replaced by #583190501

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Manufacturer substitution
This part replaces 190038. Substitute parts can look different from the original.
BEST SELLER
$14.42 | 
42% OFF MSRP : $24.69
In Stock
Lawn Mower Ground Drive Belt, 5/16 X 34-5/8-in (replaces 532183688, 5321836-88) 183688
#50

Wheels/tires/gearcase 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

Spring 188291
#36

Wheels/tires/gearcase diagram

Spring

Part #188291

Replaced by #532188291

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Manufacturer substitution
This part replaces 188291. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$2.49 | 
29% OFF Phone Price : $3.49
In Stock
Lawn Mower Idler Pulley 166043
#27

Wheels/tires/gearcase diagram

Lawn mower idler pulley

Part #166043

$18.91 | 
10% OFF Phone Price : $20.91
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 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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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 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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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 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 rebuild a lawn mower carburetor

How to rebuild a lawn mower carburetor

The carburetor mixes air with fuel to drive the piston. Rebuild the carburetor if it's clogged or leaks.…

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Repair difficulty
Time required
 60 minutes or less
How to replace a lawn mower ignition coil on a flathead engine

How to replace a lawn mower ignition coil on a flathead engine

If the spark plug doesn't fire when you try to start the mower, you could have a defective ignition coil. Follow these s…

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Repair difficulty
Time required
 30 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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