GU Old Style Replacement Door Lock Gearbox Case – 30mm Backset

Enhance your door’s security with this replacement gearbox centre case, designed for the GU Old Style multipoint door lock mechanism. If your door lock is malfunctioning, the gearbox is often the main issue. Replacing it is quick and straightforward, typically requiring the removal of just a few screws.

Key Features:

• Important Measurements: 30mm Backset / 92mm PZ Centres
• Core Mechanism: Controls the door lock operation via the handle
• Common Fault Area: The most frequent cause of door lock failures
• Reversible Latch: Suitable for both left and right-handed doors

This gearbox provides an easy, cost-effective solution to restore your door lock’s functionality.