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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...

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£24.99
£24.99 - £24.99
£24.99
£19.99
£19.99 - £19.99
£19.99
Save 20% Save %
ERA Lever Operated Latch Deadbolt Split Spindle Gearbox 30mm UPVC Door
ERA Lever Operated Latch Deadbolt Split Spindle Gearbox 30mm UPVC Door
£29.99 - £29.99
£29.99
£29.99 - £29.99
£29.99

ERA Saracen Surelock 30mm Backset Split Spindle Door Lock Centre Case 92mm PZ

ERA
In stock

ERA 30mm Replacement Door Lock Gearbox – Centre Case ERA 30mm Replacement Door Lock Gearbox – Centre Case ...

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£29.99 - £29.99
£29.99
£29.99 - £29.99
£29.99
Fuhr 855 Key Winder Type 1 Replacement Multi Point Gearbox 30mm 35mm 45mm Backset
Fuhr 855 Key Winder Type 1 Replacement Multi Point Gearbox 30mm 35mm 45mm Backset
£58.80 - £70.55
£58.80 - £70.55
£58.80 - £70.55
£58.80

Fuhr 855 Key Winder Type 1 Replacement Multi Point Gearbox 30mm 35mm 45mm Backset

Fuhr
Low stock

Genuine Fuhr 855 Key Winder Type 1 Replacement Multi Point Gearbox 30mm 35mm 45mm BacksetTechnical Measurements-Gearbox Length - 220mmGearbox Width...

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£58.80 - £70.55
£58.80 - £70.55
£58.80 - £70.55
£58.80
Fuhr 856 UPVC Door Replacement Lock Case 30mm Backset Gearbox
Fuhr 856 UPVC Door Replacement Lock Case 30mm Backset Gearbox Sold out
£31.00 - £31.00
£31.00
£31.00 - £31.00
£31.00

Fuhr 856 UPVC Door Replacement Lock Case 30mm Backset Gearbox

Fuhr
Out of stock

Fuhr 856 Upvc Door Lock Case Gear Box 30mm BacksetSpindle to Key: 92mm Backset: 30mmOp Type: Lever/LeverLocking Points: connects to locking pointsF...

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£31.00 - £31.00
£31.00
£31.00 - £31.00
£31.00
Sold out
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