Automotive Wiring Harness Market Report 2026

The automotive wiring harness market size has grown steadily in recent years. It will grow from $62.4 billion in 2025 to $65.32 billion in 2026 at a compound annual growth rate (CAGR) of 4.7%. The growth in the historic period can be attributed to rise in use of conventional wiring harnesses in passenger cars, increasing adoption in commercial vehicles, expansion in main and auxiliary harnesses, deployment in copper and aluminum wire assemblies, use in electrical and electronic systems.

The automotive wiring harness market size is expected to see steady growth in the next few years. It will grow to $77.95 billion in 2030 at a compound annual growth rate (CAGR) of 4.5%. The growth in the forecast period can be attributed to increase in AI-optimized harness networks, rising adoption of IoT-enabled and connected harnesses, expansion of high-voltage and high-performance wiring assemblies, growth in electric and hybrid vehicle applications, increase in multi-component and modular harness solutions. Major trends in the forecast period include integration of smart automotive wiring harnesses, adoption of IoT-connected harness networks, implementation of AI-based signal transmission, expansion of multi-functional wiring assemblies, deployment of connected vehicle harness solutions.

The automotive wiring harness market is poised for growth due to the increased production of vehicles globally. These wiring harnesses, integrated assemblies that streamline the electrical systems in vehicles by organizing and routing wires and cables, are essential components in modern vehicles. For instance, in 2024, according to the International Energy Agency (IEA), a France-based intergovernmental organization, electric car sales in 2023 increased by 3.5 million units compared to 2022, reflecting a 35% year-on-year growth. This surge in vehicle production is a key factor propelling the growth of the automotive wiring harness market.

Major companies in the automotive wiring harness market are concentrating on developing innovative offerings such as long-term operation and maintenance services to ensure sustained performance, reliability, and reduced lifecycle costs for automotive systems. Long-term operation and maintenance services refer to continuous support and upkeep provided to maintain the efficiency, safety, and reliability of automotive wiring systems throughout their lifespan. For instance, in May 2023, Sumitomo Electric Industries, a Japan-based manufacturer of automotive wiring systems, invested USD 100 million to establish the world’s largest electrical wiring harness facility in Egypt. The project is intended to strengthen Sumitomo’s global supply capabilities, support the expanding automotive sector in Africa and Europe, and advance the production of next-generation wiring harnesses for electric and hybrid vehicles.

In June 2023, Aurrigo, a UK-based company specializing in Autonomous Solutions, acquired GB Wiring Systems Limited for an undisclosed amount. This acquisition aims to enhance Aurrigo's capabilities in automotive wiring harnesses and electrical components by leveraging the synergies between the two companies. GB Wiring Systems Limited is a UK-based company that specializes in manufacturing electrical wiring harnesses and assemblies primarily for the automotive sector.

Major companies operating in the automotive wiring harness market are Yazaki Corporation, Sumitomo Electric Industries, Aptiv PLC, Furukawa Electric, Leoni AG, Nexans, DELPHI AUTOMOTIVE LLP, Lear Corporation, SAMVARDHANA MOTHERSON GROUP, Yura Corporation d.o.o., Fujikura Automotive, PKC Group PLC., Coroplast Fritz Muller GmbH & Co. Kg, Motherson Sumi Systems Limited, Quingdao Sanyuan Group, Kyungship Corporation, Kromberg & Schubert, Jiangsu Kyungshin Electronic Co. Ltd, Brascabos Electrical Electronic Components, Cypress Industries, Dräxlmaier Group, Gebauer & Griller Group, General Cable Technologies Corporation, BorgWarner Inc., TE Connectivity Ltd, Spark Minda Group, Samvardhana Motherson Reflectec, THB Group Inc., K&S Wiring Systems, Hirschmann Car Communication GmbH, Minda Automotive Solutions Ltd.

Note that the outlook for this market is being affected by rapid changes in trade relations and tariffs globally. The report will be updated prior to delivery to reflect the latest status, including revised forecasts and quantified impact analysis. The report’s Recommendations and Conclusions sections will be updated to give strategies for entities dealing with the fast-moving international environment.

Tariffs are influencing the automotive wiring harness market by increasing costs for imported copper and aluminum wires, connectors, terminals, and other harness components. Passenger and commercial vehicles in Asia-Pacific, Europe, and North America are most affected due to reliance on imported high-precision assemblies. However, tariffs are encouraging local harness manufacturing, regional sourcing of critical components, and development of AI- and IoT-integrated wiring assemblies, strengthening supply chains and adoption of advanced automotive harness solutions.

The automotive wiring harness market research report is one of a series of new reports that provides automotive wiring harness market statistics, including automotive wiring harness industry global market size, regional shares, competitors with automotive wiring harness market share, detailed automotive wiring harness market segments, market trends, and opportunities, and any further data you may need to thrive in the automotive wiring harness industry. This automotive wiring harness market research report delivers a complete perspective of everything you need, with an in-depth analysis of the current and future scenario of the industry.

An automotive wiring harness is a comprehensive assembly of wires designed to facilitate the transmission of control signals and electrical power to various electronic and electrical devices within vehicles, ensuring fundamental functionality and heightened safety standards. These harnesses play a crucial role in both signal transmission and powering up diverse electronic components.

Key components of automotive wiring harnesses encompass wires, connectors, terminals, and additional elements. Wires, essentially long, thin pieces of metal, serve the dual purpose of fastening and conducting electric current, facilitating the transmission of power or signals to operate various devices. Various materials, such as copper, aluminum, and others, are employed in the manufacturing of automotive wiring harness wires. Automotive wiring harnesses are categorized into main harnesses, auxiliary harnesses, and other specialized types tailored for different vehicles, including two-wheelers, passenger cars, and commercial vehicles. These harnesses collectively contribute to the seamless functioning of electronic systems in the automotive industry.Asia-Pacific was the largest region in the automotive wiring harness market in 2025 and is expected to be the fastest-growing region in the forecast period. The regions covered in the automotive wiring harness market report are Asia-Pacific, South East Asia, Western Europe, Eastern Europe, North America, South America, Middle East, Africa. The countries covered in the automotive wiring harness market report are Australia, Brazil, China, France, Germany, India, Indonesia, Japan, Taiwan, Russia, South Korea, UK, USA, Canada, Italy, Spain.

The automotive wiring harness market consists of sales of copper wiring harnesses, aluminum wiring harnesses, and other automotive wiring harnesses. Values in this market are ‘factory gate’ values, that is the value of goods sold by the manufacturers or creators of the goods, whether to other entities (including downstream manufacturers, wholesalers, distributors, and retailers) or directly to end customers. The value of goods in this market includes related services sold by the creators of the goods.

The market value is defined as the revenues that enterprises gain from the sale of goods and/or services within the specified market and geography through sales, grants, or donations in terms of the currency (in USD unless otherwise specified).

The revenues for a specified geography are consumption values that are revenues generated by organizations in the specified geography within the market, irrespective of where they are produced. It does not include revenues from resales along the supply chain, either further along the supply chain or as part of other products.

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