OEM, MOORE-O-MATIC opener Top Retainer P/N:B5744 this Top Retainer ,B5744 for a MOORE-O-MATIC Screw-drive garage door opener model Z133a,XX133A,Z150. ,is the part that connects the carriage to the drive screw. It has 2 parts (an upper and a lower) this is the upper . This item is Use. It is in excellent condition
Not for chain drive models X125a,X133a,X150a stk#(2432)A24,b5 ,B5
