Can’t find your part?   Contact us:
+1-309-603-4777
Sears Parts Direct
Orders

  • Keep track of the models you own in your profile

    Sign in or Register to view or add models

Schedule a repair
Craftsman
Garage Door Opener

Model # 139664001 Official Craftsman garage door opener

Here are the diagrams and repair parts for Official Craftsman 139664001 garage door opener, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Error Codes

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 61 parts  |
Chassis Assembly 4A1188
#17

Chassis assembly diagram

Chassis assembly

Part #4A1188

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

Screw 171A248
#35

Chassis assembly diagram

Screw

Part #171A248

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

Screw 171A254
#28

Chassis assembly diagram

Screw

Part #171A254

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

Wire Harn. 1B2006

#NI

All parts diagram

Wire harn.

Part #1B2006

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

Cover 31D277
#32

Chassis assembly diagram

Cover

Part #31D277

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

Washer 216A107
#40

Chassis assembly diagram

Washer

Part #216A107

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

Rec Ckt Bd 4A1192

#NI

All parts diagram

Rec ckt bd

Part #4A1192

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

Trolley Assembly 1A955
#10

Rail assembly diagram

Trolley assembly

Part #1A955

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

Start Capact 30B296
#31

Chassis assembly diagram

Start capact

Part #30B296

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

Bracket 12B272
#26

Chassis assembly diagram

Bracket

Part #12B272

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

Most common symptoms to help you fix your garage door openers

Choose a symptom to see related garage door opener repairs.

View all

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…

Read more

Why does my garage door opener work intermittently?

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

Read more

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…

Read more

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 …

Read more

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…

Read more

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…

Read more

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…

Read more

Why is my garage door opener noisy?

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

Read more

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.

View all
How to replace a chain-drive garage door opener motor

How to replace a chain-drive garage door opener motor

Get your garage door moving again by replacing a defective motor in your garage door opener.…

Read more
Repair difficulty
Time required
 60 minutes or less
How to replace a belt-drive garage door opener motor

How to replace a belt-drive garage door opener motor

The garage door won't move if the motor is defective. Here’s how to fix it.…

Read more
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…

Read more
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.

View all
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.…

Read more
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.…

Read more
How to open a garage door with an opener manually

How to open a garage door with an opener manually

Learn how to open a garage door manually if power to your garage door opener fails.…

Read more

Parts & More