Also known as: 41A166, 41A2756, 41A4166, 1A2756
This part is compatible with the following Chamberlain/Liftmaster garage door openers:
CG40 1/2 HP AC Chain Drive Garage Door Opener
CG40CD 1/2 HP AC Chain Drive Garage Door Opener
HD200D 1/2 HP AC Chain Drive Garage Door Opener
PD212D 1/2 HP AC Chain Drive Garage Door Opener
PD210D 1/2 HP AC Chain Drive Garage Door Opener
LW3000 1/2 HP AC Chain Drive Garage Door Opener