Zojirushi Corporation, based in Japan, is a manufacturer of consumer electronics and kitchen appliances . "Zojirushi parts" most likely refers to original parts, replacement items or any number of products that the company makes.
Zojirushi offers a number of items that typically require replacement parts, including: refrigerators, rice cookers, bread machines, beverage dispensers, humidifiers, air purifiers and water boilers. Zojirushi also offers a range of spare parts for sale directly through the "Zojirushi Parts Store" section of its website. Parts are also available from a number of third-party sellers. Zojirushi exports its products widely outside of Japan, and these parts are available in other countries.