For Liftmaster models 2110 , 2110C , 2220 , 2220c.
For Chamberlain models PD420 , PD420-2.
Also for similar Sears and Craftsman garage door openers.
2001 to present screw drive models.
2001 to present screw drive models. For Liftmaster models 2110 , 2110C , 2220 , 2220c. For Chamberlain models PD420 , PD420-2. Also for similar Sears and Craftsman garage door openers.