There are a few general ways in which the life of your 3D printer parts can be maximised and prolonged.

Proper handling, installation and configuration will ensure that your parts function as intended.

Additionally, researching what you need and purchasing from reputable shops and vendors will ensure that you are getting high-quality components that are fit for your purpose.

If you take appropriate care with maintenance like cleaning and lubrication (if required) your parts should last for thousands of printing hours in your machine.