Interchangeable parts

Interchangeable parts are components designed for wider compatibility beyond the original product. Components ranging from philip screws in a laptop to hubcaps for the wheels of a car engage with the principle of interchangeability, allowing individuals to repair or replace parts as needed. Most notably, this principle removes dependence on the original manufacturer of the product, and it is a necessary attribute of right to repair.

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Examples

Some examples of Interchangeable parts include:

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Why it matters

Interchangeability was initially devised as a way to simplify the assembly of goods for accessibility and scaling. Today, as right-to-repair has developed into a reactionary principle for what should be a given, interchangeability becomes a part of the conversation as more manufacturers actively reject interchangeable parts as time goes on.

For example:

• Apple is known for using unique screws in their digital devices where the screws can neither be replaced, nor can a technician use a common screwdriver to repair the devices. This forces consumers to seek Apple verified technicians, which often means paying a premium or upgrading their device altogether.
• Many printer companies, including Epson, Canon, and Brother, are physically able to accept ink cartridges outside of the original printer manufacturer. However, printer firmware often rejects third-party cartridges or has compatibility error despite cartridge fit.