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Craftsman
Gas Walk-Behind Mower

Model # 917377960 Official Craftsman rotary lawn mower

Here are the diagrams and repair parts for Official Craftsman 917377960 rotary 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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ALL PARTS
Showing 10 of 257 parts  |
Lock Nut 83923
#42

Drive assembly 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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Pipe Fitting 132010
#8

Drive assembly diagram

Pipe fitting

Part #132010

Replaced by #532409149

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Manufacturer substitution
This part replaces 132010. Substitute parts can look different from the original.
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Hex Flange Lock Nut 145212
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 & Garden Equipment Screw 851084
#34

Rotary lawn mower 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 Mower E-ring (replaces 12000057) 12000058
#28

Drive assembly diagram

Lawn mower e-ring (replaces 12000057)

Part #12000058

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Lawn & Garden Equipment Washer (replaces 532851074, 5328510-74) 851074
#32

Rotary lawn mower diagram

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

Part #851074

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Lawn Mower 21-in Deck Mulching Blade (replaces 187183, 33273, 33364, 532159267) 159267
#31

Rotary lawn mower diagram

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

Part #159267

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Wheel 9x2 Re 150342
#32

Drive assembly diagram

Wheel 9x2 re

Part #150342

Replaced by #193139

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This part replaces 150342. Substitute parts can look different from the original.
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Lawn & Garden Equipment Washer (replaces 532057079, 5320570-79) 57079
#15

Drive assembly diagram

Lawn & garden equipment washer (replaces 532057079, 5320570-79)

Part #57079

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Lawn & Garden Equipment Hinge Screw 88652
#28

Rotary lawn mower diagram

Lawn & garden equipment hinge screw

Part #88652

Replaced by #532088652

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This part replaces 88652. 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.

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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…

Read more

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.…

Read more
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.…

Read more
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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