Here are the diagrams and repair parts for Official Craftsman 13953903DM garage door opener, as well as links to manuals and error code tables, if available.

Owner’s manual

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Browse Parts for13953903DM Garage Door Opener

Garage door opener rpm sensor assembly
Part #41C4398A
The manufacturer no longer makes this part, and there's no substitute part
#NI04
All parts diagram
Garage door opener motor shaft bearing kit
Part #41A2826
The manufacturer no longer makes this part, and there's no substitute part
Garage door opener drive and worm gear kit
Part #41A2817
The manufacturer no longer makes this part, and there's no substitute part
Garage door opener limit switch
Part #41D3452
The manufacturer no longer makes this part, and there's no substitute part
Garage door opener light socket
Part #4A1344
The manufacturer no longer makes this part, and there's no substitute part
Garage door opener gear and sprocket assembly
Part #41C4220A
The manufacturer no longer makes this part, and there's no substitute part
#17
Motor unit - models 13953903dm / 13953905dm diagram
Garage door opener logic board
Part #41AC150-2M
The manufacturer no longer makes this part, and there's no substitute part
#12
Insatllation parts diagram
Garage door opener safety sensor kit
Part #41A5034
The manufacturer no longer makes this part, and there's no substitute part
#2
Accessories diagram
8 foot (2.4 m) rail extension
Part #139.53726
The manufacturer no longer makes this part, and there's no substitute part
#6
Insatllation parts diagram
Garage door opener bell wire
Part #41A4494-1
The manufacturer no longer makes this part, and there's no substitute part