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Craftsman
Gas Walk-Behind Mower

Model # 917379080 Official Craftsman lawn mower

Here are the diagrams and repair parts for Official Craftsman 917379080 lawn mower, as well as links to manuals and error code tables, if available.

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Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 30 parts  |
Dust Cover 76401
#21

Drive assembly diagram

Dust cover

Part #76401

The manufacturer no longer makes this part, and there's no substitute part

Walk-behind Lawn Mower Engine 700824
#68

Main frame diagram

Walk-behind lawn mower engine

Part #700824

The manufacturer no longer makes this part, and there's no substitute part

Worm 83680
#21

Gear case assembly part number 132232 diagram

Worm

Part #83680

The manufacturer no longer makes this part, and there's no substitute part

Washer 86274
#19

Drive assembly diagram

Washer

Part #86274

The manufacturer no longer makes this part, and there's no substitute part

Spring, Left 851019X004
#16

Drive assembly diagram

Spring, left

Part #851019X004

The manufacturer no longer makes this part, and there's no substitute part

Washer 4802
#18

Drive assembly diagram

Washer

Part #4802

The manufacturer no longer makes this part, and there's no substitute part

Rod 87590
#27

Main frame diagram

Rod

Part #87590

The manufacturer no longer makes this part, and there's no substitute part

Lawn Mower Decal 701151
#29

Drive assembly diagram

Lawn mower decal

Part #701151

The manufacturer no longer makes this part, and there's no substitute part

Lawn & Garden Equipment Sae 30w Engine Oil, 20-oz 33300

#NI

All parts diagram

Lawn & garden equipment sae 30w engine oil, 20-oz

Part #33300

The manufacturer no longer makes this part, and there's no substitute part

Kit 48269
#35

Drive assembly diagram

Kit

Part #48269

The manufacturer no longer makes this part, and there's no substitute part

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 vibrate a lot?

Main causes: damaged cutting blade, loose cutting blade, damaged flywheel key, engine needs tune up…

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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 run rough?

Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key…

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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 stall?

Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent…

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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 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 recoil starter on an OHV engine

How to replace a lawn mower recoil starter on an OHV engine

Replace the recoil starter if it doesn't move when you pull the starter rope.…

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

How to replace a lawn mower wheel

Learn how replace a damaged wheel on a walk-behind lawn mower—it's a quick, easy fix.…

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Repair difficulty
Time required
 15 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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How to enjoy all the online benefits we offer on our Sears PartsDirect website

How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

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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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Types of walk-behind mower blades video

Types of walk-behind mower blades video

Learn about the different kinds of mower blades and how to maintain them.…

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