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J.K. Wire Harness Sdn. Bhd.

A member of West River Capital Group

J.K. Wire Harness Sdn. Bhd. (JKWH) is Malaysia’s leading manufacturer and supplier of wire harnesses for automobiles with a commanding 50% share of the domestic market.

Our core products, manufactured under the “JK” brand, make up the critical nerve centre of leading Japanese, Malaysian and Korean car models that are assembled and sold in the domestic market.

We also manufacture and supply wire harnesses for motorcycles and auto accessories.

JKWH is a subsidiary of TSM Global Berhad, which is in turn a subsidiary of West River Capital Sdn. Bhd.

JKWH was set up in 1979 to serve the fledgling Malaysian automotive industry, with our subsidiary, JK Sumi Wire Harness Sdn. Bhd. (JK Sumi), set up in 1987.

JK Sumi previously manufactured high-tension ignition cables under the trade name “Sumitomo”, exclusively for the Japanese market as Sumitomo’s joint venture partner.

Today, JK Sumi has moved upstream to produce and supply automotive cables to JKWH for the manufacture of wire harnesses.


We aim to be a global leader in innovative and state-of-the-art products which supports the ever-evolving critical functions in modern-day automobiles.


We strive to deliver world-class products that are at the forefront of the latest technologies.


Our customers in Malaysia