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skip to Asec Copy MK3 Maco GTS 35mm Gearbox Only - 35/92

Asec Copy MK3 Maco GTS 35mm Gearbox Only - 35/92

£24.06

(£20.05 ex VAT)

sku: L34179
  • Direct copy of the original Maco MK3 GTS gearbox
  • 35mm Backset with standard 92mm PZ centres
  • Cost-effective repair solution for failed multipoint locks
  • Easy-to-operate single spindle mechanism
  • Fully reversible latch to suit both left and right-hand doors
  • High-quality construction by Asec
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When ordering multiple Keyed Alike locks, only 1 set of keys are provided as all additional locks are made to work from that key.

If ordering 4 or more keyed alike locks you can have them set up as different groups. If Required: Let us know the details in the "Specific Key Requirements" field above.

Each group of locks will then receive keys.

The ASEC Copy MK3 Maco GTS 35mm Gearbox is a precision-engineered replacement centre case designed to be a direct alternative to the Maco MK3 GTS. With a 35mm backset and 92mm centres, it provides a perfect fit for repair scenarios where the original multipoint lock strip remains functional but the internal mechanism has failed.

This single spindle gearbox is built for durability and ease of installation. One of its standout features is the fully reversible latch, which can be easily adjusted by pushing the latch hold snib on the side of the lockcase, pulling the latch out, and rotating it to match your door's handing. It operates using a standard lift-lever method: simply lift the handle to engage the locking points and turn the cylinder to secure the door.

  • Backset: 35mm
  • Centres: 92mm
  • Spindle: Single
  • Type: Maco MK3 GTS Copy

A practical and economical choice for locksmiths and DIY maintenance, this unit eliminates the need for replacing entire lock strips, saving time and money. Always verify your existing lock dimensions to ensure full compatibility with your handle set and strip.

Part Size (mm)
centres 92
Backset 35

FAQs

This unit is designed as a direct replacement for the Maco MK3 GTS gearbox. To ensure a perfect fit, you should verify that your existing lock has a 35mm backset and 92mm PZ centres. Replacing just the gearbox is a cost-effective alternative to replacing the entire full-length locking strip.

Yes, the latch is fully reversible. You can easily change the orientation by pushing the latch hold snib located on the side of the lockcase, pulling the latch out, and rotating it to suit your door's handing.

This gearbox uses a standard lift-lever operation. To engage the locking points, simply lift the door handle upwards and then turn the key in the cylinder to lock the door securely.

You should confirm two key measurements:

  • Backset: Measured as 35mm from the front of the faceplate to the centre of the spindle hole.
  • Centres (PZ): Measured as 92mm from the centre of the spindle hole to the centre of the keyhole.