GU uPVC Door Lock Gearbox. Old Style GU Centre Case. 28/30mm Backset. GU old style locks are only available in 30 & 35mm backset. If you have 45mm or 55mm you will need to replace with a new style GU full door lock.
eBay
2Pcs 5 Inch Stainless Steel Spring Loaded Latch Pin Barrel Bolt 2Mm Thickened Door Lock Brushed
Aliexpress UK
One full turn of the key followed by a downward push of the lever will unlock the system when locked. Latch & Deadbolt. Centre Case - Latch & Deadbolt. One full turn of the key then push down on the lever to unlock.
eBay
2pcs/4pcs Easy Install Knobs Hardware Filler Cover Door Reinforcement Plate Stainless Steel Lock Repair Fixing Deadbolt Modern
Aliexpress UK
Identifying and Replacing a GU Multipoint Lock. To Unlock: Turn the key to release the deadbolt, then push the handle down to disengage the locking points and retract the latch. Locking Points: 2 Tongue Hooks, 1 Deadbolt, 1 Latch.
eBay
Antique Furniture Fittings Brass/Antique Copper Lock Bolt Locking Closure Pin Cabinet Door Box Latch Locking Pin for Furniture
Aliexpress UK
Over a decade ago, GU significantly revised their range of multipoint locks, moving from the old to new style. You may find that the centre deadbolt and latch keep need readjusting to accommodate the new lock, but its a simple task.
eBay
Modern Grey and Black Door Handle Lever with Lock for Kitchen, Bedroom, Bathroom, Office, Hotel - Fast Shipping
Aliexpress UK
Latch Reversal : Twist latch to desired position. Gu Old Style Gearbox - Lift Lever Function. Backset: 35mm(face of lock back to the centre of the keyhole). Operation : Lift Lever. Case Height: 208mm.
eBay
10mm Wooden Door Slotter Key Hole Drill Bit Kit Lock Mortiser Slotter Jig Key Accessories Woodworking Tungsten Steel Cutter
Aliexpress UK
GU Secury Auto Slam Shut Door Lock Gearbox Only 45mm Backset. This is the GU Secury auto slam locking door lock centre gearbox only. It is common for the centre gearbox to fail first on these door locks as this is the part that does the majority of the work.
eBay
10mm Shank 16.5-30MM Screw Thread Wooden Door Lock Slotting Cutter CNC Bottom Cleaning Router Bit Woodworking Milling Tools
Aliexpress UK
GU Ferco Secury Europa Multipoint Door Lock 35mm Backset 92PZ 2 Hooks 2 Rollers.
eBay
Universal Casement Window Handle Door Handles Wheel Lock with Buckle Aluminum Alloy Turning Handles Furniture Supplies Hardware
Aliexpress UK
Multipoint Door lock GU Ferco Europa 4 Roller Cam Lock 28mm Backset 92pz UPVC.
eBay
Interior Door Bolt Luminous Bolt old-fashioned Surface-mounted Room Roor Latch 90 Degree Heavy-duty Lock
Aliexpress UK