interchangeable product; compatible product
Used in computing and manufacturing for a product that can be used as a direct replacement for another, typically from a different vendor.
You can use interchangeable ink cartridges with this printer.
互換性 is the abstract property of compatibility, while 互換製品 refers to a concrete product that is interchangeable.
Compound of 互換 (interchangeable) and 製品 (product).