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
Lockmaster Twin Spindle 45mm Replacement uPVC Gearbox Lock Case 45mm 92mm 62mm
Lockmaster Twin Spindle 45mm Replacement uPVC Gearbox Lock Case 45mm 92mm 62mm
£19.49 - £19.49
£19.49
£19.49 - £19.49
£19.49

Lockmaster Twin Spindle 45mm Replacement uPVC Gearbox Lock Case 45mm 92mm 62mm

Lockmaster
In stock

Lockmaster, Milamaster, Millenco 45mm Backset 2-Spindle uPVC Door Lock Gearbox Case Enhance the security of your uPVC door with this Lockmaster,...

View full details
£19.49 - £19.49
£19.49
£19.49 - £19.49
£19.49
Ingenious Genuine Upvc Gear box Door Lock Centre Case 45mm Backset Double Spindle
Ingenious Genuine Upvc Gear box Door Lock Centre Case 45mm Backset Double Spindle
£24.99 - £24.99
£24.99
£24.99 - £24.99
£24.99

Ingenious Genuine Upvc Gear box Door Lock Centre Case 45mm Backset Double Spindle

Ingenious
Low stock

Ingenious 45mm Double Spindle Gearbox – Centre Case Upgrade your door’s security with the Ingenious 45mm Double Spindle Gearbox, specifi...

View full details
£24.99 - £24.99
£24.99
£24.99 - £24.99
£24.99
Lockmaster - Millenco Upvc Gearbox Door Lock (Hook) 45mm 92mm 62mm Night Latch
Lockmaster - Millenco Upvc Gearbox Door Lock (Hook) 45mm 92mm 62mm Night Latch Sold out
£28.59 - £28.59
£28.59
£28.59 - £28.59
£28.59

Lockmaster - Millenco Upvc Gearbox Door Lock (Hook) 45mm 92mm 62mm Night Latch

Lockmaster
Out of stock

Lockmaster - Millenco uPVC Gearbox Door Lock (Hook) 45mm 92mm 62mm Night Latch When a multi-point lock breaks down, the fault is often in the c...

View full details
£28.59 - £28.59
£28.59
£28.59 - £28.59
£28.59
Sold out