What is another word for spare part?
Pronunciation: [spˈe͡ə pˈɑːt] (IPA) 
A spare part is an essential element in ensuring the proper functioning of machines and equipment. It's a component that can replace the original part in case of damage or breakdown. Synonyms for the term 'spare part' include, but are not limited to, replacement parts, backup parts, and repair components. Other terms include spare components, spare units, spare pieces, and spare assemblies. These terms are interchangeable and are used in manufacturing, automotive, aerospace, and other industries. The quality of the spare parts determines the performance and longevity of the equipment. Thus, it's essential to use high-quality spare parts to ensure optimal efficiency.
