Andersen, Lock Housing Only - HP Brass

Replace with 2579499 (housing and key cylinder)

Andersen Hinged Glass Patio Door Lock Housing. High Performance Bright Brass.
Related Parts:
Keyed Cylinder Only # 2579637, Lock Actuator # 2579542

Related Article: How to Replace a Dummy Cylinder in an Andersen Handleset with a Keyed Cylinder
Andersen's Manufacturer's Guide to Exterior Keyed Cylinders: PDF