GU 3000 Door Lock Gearbox Centre Case

A replacement centre case gearbox for the GU 3000 35mm multipoint door lock mechanism. If you're having problems with your door lock, the gearbox is almost always the problem and changing it is as simple as removing a few screws.

GU 3000 Replacement Door Lock Gearbox Centre Case Information

• Important measurements: 35mm Backset / 92mm PZ Centres

• This is the mechanism inside the door that is operated by the handle

• Most likely to be the problem when a lock fails

• Reversible latch for left or right handed doors

• Double spindle - Can be used with split spindle door handles

Technical

A full technical diagram is included in the image gallery.