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Craftsman
Garage Door Opener

Model # 20057973 Official Craftsman garage door opener

Here are the diagrams and repair parts for Official Craftsman 20057973 garage door opener, as well as links to manuals and error code tables, if available.

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Installation guide
Owner’s manual
Error Codes

Model diagram and schematic

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Showing 10 of 33 parts  |
Craftsman Series 100 Garage Door Opener Remote Control 58502
#3

Accessories diagram

Craftsman series 100 garage door opener remote control

Part #58502

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$39.05 | 
13% OFF Phone Price : $45.05
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Garage Door Opener Mini Remote Control 57938
#4

Accessories diagram

Garage door opener mini remote control

Part #57938

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$49.79 | 
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Craftsman Garage Door Opener Keyless Entry 57939
#6

Accessories diagram

Craftsman garage door opener keyless entry

Part #57939

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$58.19 | 
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Garage Door Opener Trolley RP-004
#5

Rail assembly parts diagram

Garage door opener trolley

Part #RP-004

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Garage Door Opener Safety Sensor Kit GUAT-201
#1

Accessories diagram

Garage door opener safety sensor kit

Part #GUAT-201

$39.41 | 
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Garage Door Opener Rail, Center RP-002
#2

Rail assembly parts diagram

Garage door opener rail, center

Part #RP-002

$19.09 | 
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Garage Door Opener Chain Connecting Link GUT-410
#7

Rail assembly parts diagram

Garage door opener chain connecting link

Part #GUT-410

This item is not returnable
$3.06
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Garage Door Opener Chain Idler Pulley GUT-840
#4

Rail assembly parts diagram

Garage door opener chain idler pulley

Part #GUT-840

$7.79 | 
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Garage Door Opener Curved Door Arm GUAT-024
#4

Installation parts diagram

Garage door opener curved door arm

Part #GUAT-024

$9.19 | 
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Garage Door Opener Door Bracket GUAT-022
#2

Installation parts diagram

Garage door opener door bracket

Part #GUAT-022

This item is not returnable
$6.68
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Most common symptoms to help you fix your garage door openers

Choose a symptom to see related garage door opener repairs.

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Why won't my garage door opener fully open or close the garage door?

Main causes: garage door opener misaligned, travel limits need adjustment, bad travel limit switches, faulty logic contr…

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Why won't my garage door opener open the garage door?

Main causes: garage door locked, damaged garage door tracks, up-force setting needs adjustment, RPM sensor failure, bad …

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Why does my garage door opener reverse on its own?

Main causes: safety sensor beams blocked, safety sensors not aligned, downforce setting needs adjustment, damaged garage…

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What preventive maintenance does my garage door opener need?

Things to do: check garage door travel, tighten brackets and fasteners, test safety sensors, check travel limits and for…

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Why does my garage door opener work intermittently?

Main causes: radio interference, weak remote batteries, sunlight interference with safety sensor beams, safety sensors n…

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Why doesn't my garage door opener work?

Main causes: faulty logic control board, bad RPM sensor, broken gears in the drive system, bad drive motor…

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Why does my garage door opener open and close by itself?

Main causes: neighbor's remote programmed at the same time as yours, faulty wall control wiring, bad wall control unit…

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Why is my garage door opener noisy?

Main causes: loose fasteners, broken brackets, need preventive maintenance, worn drive gears, loose or worn belt, loose …

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Most common repair guides to help fix your garage door openers

These step-by-step repair guides will help you safely fix what’s broken on your garage door opener.

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How to replace a chain-drive garage door opener gear and sprocket assembly

How to replace a chain-drive garage door opener gear and sprocket assembly

Learn how to replace the gear and sprocket assembly on your garage door opener if the drive motor runs but the door won'…

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Repair difficulty
Time required
 60 minutes or less
How to replace a garage door opener logic board

How to replace a garage door opener logic board

The logic board is the brains of the garage door opener. If the remote doesn't work or the door doesn't open and close p…

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Repair difficulty
Time required
 60 minutes or less
How to replace a garage door opener drive chain and cable assembly

How to replace a garage door opener drive chain and cable assembly

If your garage door won’t move, the chain and cable assembly on your garage door opener could be broken. Follow these st…

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Repair difficulty
Time required
 60 minutes or less

Effective articles & videos to help repair your garage door openers

Use the advice and tips in these articles and videos to get the most out of your garage door opener.

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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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How to repair broken or damaged wires video

How to repair broken or damaged wires video

Learn how to repair broken, frayed or damaged wires in your appliances.…

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How to use a multimeter to test electrical parts video

How to use a multimeter to test electrical parts video

Learn how to use a multimeter to check for wiring problems in an appliance that's not working…

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