GU New Style Gearbox for Multipoint Door Lock 35mm Backset 92 PZ

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GU Gearbox Door Lock Centre Case Replacement Mechanism 35mm Backset Lift lever

This is a genuine GU Lift Lever replacement gearbox to suit new style GU door locks. If you're having problems with your door lock the gearbox is almost always the cause of the problem.


  • Reversible latch for left or right handed doors
  • Single spindle - for lever / lever operation
  • Lift lever
  • Replacement gearbox for new style GU door locks
  • N.B. Screw holes are unthreaded, please use existing screws to create a new thread.

What's in the pack?

1 x GU Centre Door Gearbox Replacement for GU New Style 35mm Backset


  • Lock case length: 195mm
  • Lock case depth : 50mm
  • Lock case width: 14mm
  • Centre of latch to centre of deadbolt: 85mm
  • Deadbolt throw: 20mm
  • Deadbolt width: 32mm
  • Deadbolt thickness: 7mm
  • PZ: 92mm
  • Backset: 35mm

What should I check before ordering a new door lock gearbox case?

The most important measurements are the backset and the lock handle centres (the distance from the centre of the handle spindle to the centre of the barrel). Both measurements should be checked before ordering to ensure compatibility.

How to reverse the latch:

Before fitting make sure the latch is facing the correct way, if not please rotate it 180° to the required position.

We aim to deliver your products as quickly as possible. Orders taken before 12:00pm will normally be dispatched the same day. Orders taken after 12:00pm on a Friday will be dispatched the following Monday. For all Next Day Delivery Services (next working day excluding Saturday's) please order before 12.00pm for same day dispatch. Depending on the weight and contents of your order, we either use a next-day courier service, or Royal Mail 24 postage service.

Mainland U.K delivery times are 1-2 working days. Northern Ireland delivery times are 2 - 3 working days.

No Quibble Money Back Returns Policy

Shop with absolute confidence knowing that if you are not satisfied for any reason we will refund the full purchase price providing you return the item within 30 days and in the same condition as when dispatched. Except for those cases where an item proves to be faulty, damaged on delivery or incorrectly described, return delivery charges and postage expenses are not refunded.

How do I return Items?

If you need to return an item please log into your account and click on the orders tab. Locate the order you wish to return and on the right click on 'Return Items?' You will then be taken to the returns tab; on the right hand side enter the quantity you wish to return; then on the left below the item, select the return reason and then the return action (whether you would like a replacement or a refund). If a replacement is not available, we will issue you a refund. There is a comments box to the right if you need to enter any more details.

Once you are happy that all the details have been correctly entered then click on the 'Submit Return Request' button. You will then be sent a return request email from JCP Hardware with instructions.

If you have placed an order as a guest and you wish to return it, then please email.

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