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Sumitomo Wiring Systems Products: Connecting the Human Will and Cars

Sumitomo Wiring Systems plays a part in creating a prosperous society with superior technologies and product quality.
From automotive wiring harnesses, our core business, to electric vehicle and hybrid vehicle components, electronic components and more, we offer products that meet the needs of the age.

List of Product

Product Catalogs for Automobiles

  • Connectors for Automobiles


  • Wires and Cables for Automobiles


  • Convoluted Tube