The Chamberlain 12D598 garage door opener replacement U-bracket is designed for square-rail garage door operators. This replacement part is compatible with square-rail Chamberlain, LiftMaster and Sears Craftsman residential garage door openers. Chamberlain parts are often compatible with LiftMaster and Craftsman openers, because many of the parts are made by the same company (Chamberlain).
- Replacement U-bracket only for square-rail operators
- Compatible with Chamberlain, LiftMaster, Craftsman square-rail garage door openers