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
£24.99
Original price
£24.99
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Original price
£24.99
Original price
£24.99
Current price
£19.99
£19.99
-
£19.99
Current price
£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
Original price
£24.99
Original price
£24.99
-
Original price
£24.99
Original price
£24.99
Current price
£19.99
£19.99
-
£19.99
Current price
£19.99
Save 20%