Sears
Automotive

Model # 31820314 Official Sears electronic speed control

Here are the diagrams and repair parts for Official Sears 31820314 electronic speed control, 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 27 parts  |

Clamp-sw-sm 250-3001
#4

Unit diagram

Clamp-sw-sm

Part #250-3001

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

Vacuum Hose 250-3016
#33

Unit diagram

Vacuum hose

Part #250-3016

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

Wire Harness 250-3110
#43

Unit diagram

Wire harness

Part #250-3110

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

Magnet 250-3093
#10

Unit diagram

Magnet

Part #250-3093

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

Cable Assembly 250-3085
#30

Unit diagram

Cable assembly

Part #250-3085

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

Bracket 250-3086
#21

Unit diagram

Bracket

Part #250-3086

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

Engagemnt Sw 250-3002
#3

Unit diagram

Engagemnt sw

Part #250-3002

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

Sensor 250-3116
#41

Unit diagram

Sensor

Part #250-3116

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

Parts Pkg 250-3121

#NI

All parts diagram

Parts pkg

Part #250-3121

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

Bead Connect 250-3087
#20

Unit diagram

Bead connect

Part #250-3087

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

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

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

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…

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

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 replace a lawn mower spark plug

How to replace a lawn mower spark plug

Take a few minutes to replace the spark plug during your lawn mower's annual tune-up or if the spark plug is burnt or cr…

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

How to replace a lawn mower blade

Check your lawn mower blade regularly and replaced it if it's bent or damaged. …

Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower flywheel key on a flathead engine

How to replace a lawn mower flywheel key on a flathead engine

When you hit a hard object with your mower, the flywheel can shear to protect more expensive components. Learn how to re…

Repair difficulty
Time required
 45 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: spark plug and ignition problems video

Lawn mower won't start troubleshooting video: spark plug and ignition problems video

Find out how to test and fix problems with the spark plug, stop wire, ignition coil and flywheel.…