GU

GU Old Style Replacement Door Lock Gearbox 35mm A replacement GU Old type uPVC door lock gearbox centre case. This is the central gearbox unit found on your uPVC door lock mechanism. Our gearbox is...

GU Old Style Gearbox 45mm Backset A replacement centre case gearbox for the GU old style 45mm backset multipoint door lock mechanism. If you're having problems with your door lock, the gearbox is...

 GU Door Lock Gearbox New Style 45mm Split Spindle A replacement door lock gearbox for the GU New Style split spindle door lock mechanism with a 45mm backset. If you're having problems with your...

 GU New Style Door Lock Gearbox Centre Case 35mm A replacement centre case gearbox for the GU New Style multipoint door lock mechanism. If you're having problems with your door lock, the gearbox...

 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...

GU Europa New Style Door Lock Centre Case 30mm A replacement centre case gearbox for the GU Europa multipoint door lock mechanism. If you're having problems with your door lock, the gearbox is almost...

GU Old Style Door Lock Gearbox Case A replacement centre case gearbox for the GU Old Style multipoint door lock mechanism. If you're having problems with your door lock, the gearbox is almost always...