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
Original price
£29.99
Original price
£29.99
-
Original price
£29.99
Original price
£29.99
Current price
£24.99
£24.99
-
£24.99
Current price
£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
Original price
£29.99
Original price
£29.99
-
Original price
£29.99
Original price
£29.99
Current price
£24.99
£24.99
-
£24.99
Current price
£24.99
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