Skip to content

Find Your uPVC Door Gearbox

Select your sizes below to see only the gearboxes that fit your door.

Not sure what Backset, PZ or Overall Width mean? Watch out — getting these wrong means the gearbox won't fit.
READ MEASUREMENT GUIDE →

 

Door Lock Centre Gearboxes

If you need help figuring out what gearbox you need please click here for our guide
GU Old Style Replacement uPVC Gear Box Door Lock Centre Case 30mm / 28mm Backset
GU Old Style Replacement uPVC Gear Box Door Lock Centre Case 30mm / 28mm Backset Save 20% Save %
£24.99
£24.99 - £24.99
£24.99
£19.99
£19.99 - £19.99
£19.99

GU Old Style Replacement uPVC Gear Box Door Lock Centre Case 30mm / 28mm Backset

GU
In stock

GU Old Style Replacement Door Lock Gearbox Case – 30mm Backset Enhance your door’s security with this replacement gearbox centre case, d...

View full details
£24.99
£24.99 - £24.99
£24.99
£19.99
£19.99 - £19.99
£19.99
Save 20% Save %
Genuine Gu Door Lock Gearbox Gu Multi Point Upvc Door Lock 35mm 92mm New Style Lock
Genuine Gu Door Lock Gearbox Gu Multi Point Upvc Door Lock 35mm 92mm New Style Lock
£29.99 - £29.99
£29.99
£29.99 - £29.99
£29.99

Genuine Gu Door Lock Gearbox Gu Multi Point Upvc Door Lock 35mm 92mm New Style Lock

GU
In stock

Genuine GU Door Lock Gearbox - 35mm 92mm New Style Lock Genuine GU Door Lock Gearbox – GU Multi-Point uPVC Door Lock (35mm, ...

View full details
£29.99 - £29.99
£29.99
£29.99 - £29.99
£29.99
GU Old Style 45mm Backset Multipoint Door Lock Gearbox Replacement Centre Case
GU Old Style 45mm Backset Multipoint Door Lock Gearbox Replacement Centre Case
£28.99 - £28.99
£28.99
£28.99 - £28.99
£28.99

GU Old Style 45mm Backset Multipoint Door Lock Gearbox Replacement Centre Case

GU
Low stock

GU Old Style 45mm Backset Gearbox This replacement centre case gearbox is designed for the GU old-style 45mm backset multipoint door loc...

View full details
£28.99 - £28.99
£28.99
£28.99 - £28.99
£28.99
GU New Style Upvc Door Lock Multipoint Gearbox Case - Lever or Split Spindle
GU New Style Upvc Door Lock Multipoint Gearbox Case - Lever or Split Spindle
£49.99 - £49.99
£49.99
£49.99 - £49.99
£49.99

GU New Style Upvc Door Lock Multipoint Gearbox Case - Lever or Split Spindle

GU
In stock

GU New Style UPVC Door Lock Multipoint Gearbox Case GU New Style UPVC Door Lock Multipoint Gearbox Case - Lever or Split Spi...

View full details
£49.99 - £49.99
£49.99
£49.99 - £49.99
£49.99
GU Gearbox Door Lock Centre Case Old Style Replacement uPVC Mechanism 35mm
GU Gearbox Door Lock Centre Case Old Style Replacement uPVC Mechanism 35mm
Save 17% Save %
£29.99
£29.99 - £29.99
£29.99
£24.99
£24.99 - £24.99
£24.99

GU Gearbox Door Lock Centre Case Old Style Replacement uPVC Mechanism 35mm

GU
In stock

GU Old Style Replacement Door Lock Gearbox - 35mm Backset Upgrade your uPVC door security with the GU Old Style Replacement Door Lock Ge...

View full details
£29.99
£29.99 - £29.99
£29.99
£24.99
£24.99 - £24.99
£24.99
Save 17% Save %
GU New Style Door Lock Gearbox Centre Case Replacement 45mm Backset
GU New Style Door Lock Gearbox Centre Case Replacement 45mm Backset
£49.95 - £49.95
£49.95
£49.95 - £49.95
£49.95

GU New Style Door Lock Gearbox Centre Case Replacement 45mm Backset

GU
Low stock

GU New Style Door Lock Gearbox Centre Case Replacement GU New Style Door Lock Gearbox Centre Case Replacement – 45mm Backset...

View full details
£49.95 - £49.95
£49.95
£49.95 - £49.95
£49.95
GU New Style 45mm Single Spindle uPVC Door Lock Gearbox Centre Case - - GU - UPVCSTORE
GU New Style 45mm Single Spindle uPVC Door Lock Gearbox Centre Case - - GU - UPVCSTORE
£49.95 - £49.95
£49.95
£49.95 - £49.95
£49.95

GU New Style Door Lock Gearbox Centre Case Replacement 45mm Backset

GU
Low stock

What Is It? GU New Style Replacement Gearboxes. These are available in 35mm  Tech Details : 45mm Backset Available All Locks Are 92...

View full details
£49.95 - £49.95
£49.95
£49.95 - £49.95
£49.95
Gu Door Lock Slave Gearbox Gu Multi Point Upvc Door Lock 35mm 92mm New Style Lock
Gu Door Lock Slave Gearbox Gu Multi Point Upvc Door Lock 35mm 92mm New Style Lock
£32.99 - £32.99
£32.99
£32.99 - £32.99
£32.99

Gu Door Lock Slave Gearbox Gu Multi Point Upvc Door Lock 35mm 92mm New Style Lock

UPVCSTORE
Low stock

Replacement New Gu Gearbox 1 x Gu Gearbox 35mm Sizes - Backset = 35mm Centres 92mm  Case Height = 195mm Case Width = 51mm

£32.99 - £32.99
£32.99
£32.99 - £32.99
£32.99
GU Old Style 40mm Replacement Multipoint Door Lock Gearbox – Lift Lever Operation
GU Old Style 40mm Replacement Multipoint Door Lock Gearbox – Lift Lever Operation
£60.99 - £60.99
£60.99
£60.99 - £60.99
£60.99

GU Old Style 40mm Replacement Multipoint Door Lock Gearbox – Lift Lever Operation

UPVCSTORE
Low stock

GU Old Style 40mm Replacement Multipoint Door Lock Gearbox – Lift Lever Operation Product Information This high-quality copy replacement gear...

View full details
£60.99 - £60.99
£60.99
£60.99 - £60.99
£60.99
GU New Style Single Spindle 40mm Backset uPVC Door Lock Gearbox Centre Case
GU New Style Single Spindle 40mm Backset uPVC Door Lock Gearbox Centre Case
Sold out
£57.73 - £57.73
£57.73
£57.73 - £57.73
£57.73

GU New Style Single Spindle 40mm Backset uPVC Door Lock Gearbox Centre Case

UPVCSTORE
Out of stock

What Is It?GU New Style Replacement Gearboxes. These are available in 35mm Tech Details :40mm Backset AvailableAll Locks Are 92PZ

£57.73 - £57.73
£57.73
£57.73 - £57.73
£57.73
Sold out
GU New Style Door Lock Gearbox Centre Case Replacement 45mm Backset
GU New Style Door Lock Gearbox Centre Case Replacement 45mm Backset
Sold out
£40.82 - £40.82
£40.82
£40.82 - £40.82
£40.82

GU New Style Door Lock Gearbox Centre Case Replacement 45mm Backset

GU
Out of stock

 GU New Style Door Lock Gearbox Centre Case 45mmA replacement centre case gearbox for the GU New Style multipoint door lock mechanism. If you're ha...

View full details
£40.82 - £40.82
£40.82
£40.82 - £40.82
£40.82
Sold out
Loading WhatsApp button...