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Mechanical Engineering vocabulary · Maintenance and Reliability

Spare part

Meaning in mechanical engineering, with examples

nounCore term

In mechanical engineering, spare part means: A replacement part kept in stock so that a worn or broken part can be changed quickly, for example a bearing, seal, belt or motor.

In Turkish: yedek parça

How it is used

Used in maintenance, purchasing and after-sales service. Plants keep a list of critical spare parts with minimum stock levels, and suppliers quote a lead time for each spare part. People often just say spares.

Example sentences

  1. Make sure the critical spare parts are in stock before the shutdown.

  2. This spare part has a lead time of eight weeks, so we need to order it now.

Common collocations

  • critical spare parts
  • spare parts list
  • spare parts stock
  • order a spare part
  • recommended spares
  • preventive maintenanceMaintenance done at planned intervals, such as lubricating, inspecting and replacing worn parts, to stop equipment from breaking down unexpectedly.
  • bill of materialsA structured list of all the parts, materials and quantities needed to make a product or assembly, usually with part numbers and descriptions.
  • downtimeThe time when a machine or production line is not working because of a breakdown, maintenance, a changeover or a lack of material.
  • overhaulA complete inspection and repair of a machine in which it is taken apart, cleaned and checked, and worn parts are replaced, so that it works almost like new.
  • wearThe gradual loss of material from a surface caused by friction, rubbing or hard particles during use, for example on bearings, gears, seals and cutting tools.

This word in other fields

The same English word can have a different meaning in another field:

More terms: Maintenance and Reliability

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