Model # 13953638SRT Official Craftsman 1/2-hp garage door opener

Here are the diagrams and repair parts for Official Craftsman 13953638SRT 1/2-hp 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

ALL PARTS

Showing 10 of 32 parts |

Opener assembly diagram

Garage door opener drive and worm gear kit (replaces 3002375, 65409)

Part #41A2817

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

#14

Opener assembly diagram

Garage door opener limit switch

Part #41D3452

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

#15

Opener assembly diagram

Rpm assy

Part #41C3005

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

#NI

All parts diagram

Touch lock

Part #53776

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

#NI

All parts diagram

Release

Part #53702

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

#12

Opener assembly diagram

Cover

Part #41A3474-1

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

Opener assembly diagram

Line cord

Part #41B2991

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

Opener assembly diagram

Sprocket cover

Part #31C290

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

Opener assembly diagram

Gear & sproc

Part #41C4220

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

#13

Opener assembly diagram

Garage door opener helical gear

Part #41A2818

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…

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 …

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…

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…

Why does my garage door opener work intermittently?

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

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…

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…

Why is my garage door opener noisy?

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

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

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

Repair difficulty

Time required

60 minutes or less

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…

Repair difficulty

Time required

60 minutes or less

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…

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

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

Top questions about Sears and Sears PartsDirect

How to repair broken or damaged wires video

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

Model # 13953638SRT Official Craftsman 1/2-hp garage door opener

Model diagram and schematic

SEARCH WITHIN THIS MODEL

Most common symptoms to help you fix your garage door openers

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

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

Why does my garage door opener reverse on its own?

What preventive maintenance does my garage door opener need?

Why does my garage door opener work intermittently?

Why doesn't my garage door opener work?

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

Why is my garage door opener noisy?

Most common repair guides to help fix your garage door openers

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

How to replace a garage door opener logic board

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

Effective articles & videos to help repair your garage door openers

How to enjoy all the online benefits we offer on our Sears PartsDirect website

Top questions about Sears and Sears PartsDirect

How to repair broken or damaged wires video

Parts & More

Stay Connected

Quick links

Let us help you

More resources