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Craftsman
Gas Walk-Behind Mower

Model # 917380842 Official Craftsman lawn mower

Here are the diagrams and repair parts for Official Craftsman 917380842 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 29 parts  |
Clip 85827
#8

20" rotary lawn mower diagram

Clip

Part #85827

Replaced by #582940401

?
Manufacturer substitution
This part replaces 85827. Substitute parts can look different from the original.
This item is not returnable
$6.83
In Stock
Lawn Mower Blade Adapter 850977
#39

20" rotary lawn mower diagram

Lawn mower blade adapter

Part #850977

Replaced by #581547901

?
Manufacturer substitution
This part replaces 850977. Substitute parts can look different from the original.
$19.36 | 
9% OFF Phone Price : $21.36
In Stock
Walk-behind Lawn Mower Engine 141098
#56

20" rotary lawn mower diagram

Walk-behind lawn mower engine

Part #141098

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

Rod 87590
#46

20" rotary lawn mower diagram

Rod

Part #87590

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

Lawn Mower Wheel 750500
#25

20" rotary lawn mower diagram

Lawn mower wheel

Part #750500

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

Tune-up Kit 33012

#NI

All parts diagram

Tune-up kit

Part #33012

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

Bracket 88271X479
#42

20" rotary lawn mower diagram

Bracket

Part #88271X479

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

Lawn Mower Cable 851664
#6

20" rotary lawn mower diagram

Lawn mower cable

Part #851664

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

Lock Nut, 1/4-20 STD541425
Lock nut, 1/4-20

Part #STD541425

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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