Craftsman
Power Tool

Model # 11312078 Official Craftsman 1/2-hp motor

Here are the diagrams and repair parts for Official Craftsman 11312078 1/2-hp motor, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 25 parts  |

Ring Retanng 80126
#17

Unit diagram

Ring retanng

Part #80126

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

Screw 64829
#20

Unit diagram

Screw

Part #64829

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

Retaining Ring 64401
#3

Unit diagram

Retaining ring

Part #64401

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

Lead Assembly 80158
#24

Unit diagram

Lead assembly

Part #80158

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

Washer 80163
#1

Unit diagram

Washer

Part #80163

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

Ball Bearing 37161
#2

Unit diagram

Ball bearing

Part #37161

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

Washer 20285
#5

Unit diagram

Washer

Part #20285

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

Capacitor 80160
#13

Unit diagram

Capacitor

Part #80160

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

Componnt Cvr 80122
#18

Unit diagram

Componnt cvr

Part #80122

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

Nut 80155
#6

Unit diagram

Nut

Part #80155

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.

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

Main causes: uneven wheel height settings, damaged wheel, dull or damaged cutting blade...

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

Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel...

Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, ba...

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

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.

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....

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....

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....

Repair difficulty
Time required
15 minutes or less

Articles and videos for gas walk-behind mowers

Use the advice and tips in these articles and videos to get the most out of your walk-behind lawn mower.

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....

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....

Lawn mower won't start troubleshooting video: can't pull recoil pull cord

Lawn mower won't start troubleshooting video: can't pull recoil pull cord

A blade obstruction, bad recoil starter or locked-up engine can prevent the pull cord on your mower from working. See ho...