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 # 139663853 Official Craftsman garage door opener

Here are the diagrams and repair parts for Official Craftsman 139663853 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 98 parts  |
Transmitter 6634
#6

Transmitter diagram

Transmitter

Part #6634

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

Screw 171A88
#12

Rail assembly diagram

Screw

Part #171A88

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

Rail Splice 12B344
#29

Rail assembly diagram

Rail splice

Part #12B344

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

Trans Case 4A1205
#1

Transmitter diagram

Trans case

Part #4A1205

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

Screw 171A194
#4

Transmitter diagram

Screw

Part #171A194

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

Switch Assembly 4A1376
#41

Chassis assembly diagram

Switch assembly

Part #4A1376

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

"e" Ring STD581031
#37

Chassis assembly diagram

"e" ring

Part #STD581031

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

Roll Pin 146A46
#31

Rail assembly diagram

Roll pin

Part #146A46

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

Up Block 16C26
#41E

Chassis assembly diagram

Up block

Part #16C26

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

Gear Limit 81B40
#36

Chassis assembly diagram

Gear limit

Part #81B40

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 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 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 reverse on its own?

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

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 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

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 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 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 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'…

Read more
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…

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 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.…

Read more

Parts & More