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Craftsman
Gas Walk-Behind Mower

Model # 917379320 Official Craftsman rotary lawn mower

Here are the diagrams and repair parts for Official Craftsman 917379320 rotary 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 267 parts  |
Pipe Fitting 132010
#31

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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Lock Nut 83923
#25

Main frame 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
#9

Drive assembly 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 Blade 141114
#47

Main frame diagram

Lawn mower blade

Part #141114

Replaced by #532406713

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This part replaces 141114. Substitute parts can look different from the original.
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Handle Knob 136376
#6

Main frame diagram

Handle knob

Part #136376

Replaced by #532185577

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This part replaces 136376. Substitute parts can look different from the original.
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Lawn Mower Wheel Dust Cover 88080
#14

Drive assembly diagram

Lawn mower wheel dust cover

Part #88080

Replaced by #581840401

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This part replaces 88080. Substitute parts can look different from the original.
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Handle Bolt 131959
#59

Main frame diagram

Handle bolt

Part #131959

Replaced by #532191574

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Nut Lck 5/16 73990500
#19

Main frame diagram

Nut lck 5/16

Part #73990500

Replaced by #596040501

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This part replaces 73990500. Substitute parts can look different from the original.
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Lock Nut 751592
#55

Main frame diagram

Lock nut

Part #751592

Replaced by #596322601

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This part replaces 751592. Substitute parts can look different from the original.
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Washer 67725
#16

Drive assembly diagram

Washer

Part #67725

Replaced by #532067725

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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 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

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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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