Keep your doors operating smoothly with our extensive range of Ingenious replacement door lock gearboxes for uPVC, composite and bi-fold doors. Whether you’re replacing a worn, damaged or faulty gearbox, our collection offers high-quality replacement lock cases designed to restore the performance and security of your door without replacing the entire locking mechanism.
Our Ingenious gearbox range includes options for a variety of door styles, backsets, lock centres and configurations, making it easier to find the correct replacement for your existing multipoint lock. Suitable for both residential and commercial applications, these gearboxes are manufactured to provide smooth operation, reliable locking and long-lasting durability.
Whether you need a standard uPVC gearbox, a composite door lock case or a specialist bi-fold door gearbox, you’ll find a wide selection available, backed by expert advice from our experienced team.
Features:
- Genuine and compatible Ingenious replacement gearboxes
- Suitable for uPVC, composite and aluminium bi-fold doors
- Various backsets, PZ centres and configurations available
- Ideal for repairing faulty multipoint locking systems
- Durable construction for long service life
- Fast UK dispatch from Nigel Waters Hardware Ltd
If you’re unsure which Ingenious gearbox you need, simply contact our team with the measurements or a photo of your existing lock and we’ll be happy to help identify the correct replacement.


