The Vietnam automotive wiring harness market size was USD 346.00 Million in 2024. It is projected to reach USD 468.29 Million by 2033, growing at a CAGR of 3.42% during the forecast period 2025-2033. This growth is driven by rapid local vehicle assembly expansion, higher foreign OEM investments, and the emergence of electric vehicles. Low production costs and government incentives continue to attract global tier-1 suppliers, boosting demand for powertrain and data harness modules.

Study Assumption Years

• Base Year: 2024
• Historical Year/Period: 2019-2024
• Forecast Year/Period: 2025-2033

Vietnam Automotive Wiring Harness Market Key Takeaways

• The market size reached USD 346.00 Million in 2024.
• The market is expected to exhibit a CAGR of 3.42% during 2025-2033.
• Forecast period covers 2025-2033.
• Vietnam’s expanding domestic vehicle production through joint ventures and local brands increases wiring harness demand, tailored for localized platforms.
• The entry of EVs dramatically raises demand for high-voltage harness systems meeting rigorous thermal and voltage standards.
• Local tier-2 suppliers aid component integration, reducing lead times and enhancing manufacturing flexibility.
• Export opportunities into ASEAN further increase the output of wiring harness manufacturers.
• Sample Request Link: https://www.imarcgroup.com/vietnam-automotive-wiring-harness-market/requestsample

Market Growth Factors

Vietnam’s automotive wiring harness market is propelled by the rapid expansion of domestic vehicle assembly. Local joint ventures and homegrown brands drive demand for wiring harnesses tailored to localized vehicle platforms. With localized support from tier-2 suppliers, part integration is streamlined, reducing lead times and improving supply chain flexibility. OEM compliance standards boost investment in quality testing, documentation, and automation, enhancing the production capacity and model variety while expanding export opportunities into ASEAN and other regions.

The rise of electric and hybrid vehicles in Vietnam significantly influences the market. High-voltage wiring harnesses for electric vehicles require advanced insulation materials and must meet strict standards for thermal stability, moisture resistance, and voltage handling. VinFast’s leadership as the top-selling EV brand in 2024, delivering over 51,000 EVs, highlights this escalating demand. Investments in testing laboratories and certification for high-voltage harnesses further diversify Vietnam’s capabilities and technical expertise in this area.

Government incentives and low production costs position Vietnam as an attractive destination for global tier-1 suppliers. The combination of cost-effectiveness and regulatory support nurtures supplier expansion and innovation. Initiatives like the development of modular connector systems and partnerships focused on sustainable materials demonstrate the market’s alignment with global trends of quality, sustainability, and technological advancement.

Market Segmentation

• Application Insights:
• Body Wiring Harness: Tailored to domestic platforms supporting localized vehicle assembly.
• Engine Wiring Harness: Key for powertrain systems with growing demand alongside vehicle production.
• Chassis Wiring Harness: Integral to vehicle structural systems, supported by local tier-2 suppliers.
• HVAC Wiring Harness: Part of expanding vehicle electrical systems, involved in climate control.
• Sensors Wiring Harness: Growing with new vehicle technologies requiring precise sensor integration.
• Others: Additional wiring harness applications adapting to evolving automotive technologies.
• Material Type Insights:
• Copper: Dominant conductive material used in wiring harness production.
• Aluminum: Increasingly used as a lightweight alternative in harness manufacturing.
• Others: Other materials employed in specialized wiring harness components.
• Transmission Type Insights:
• Data Transmission: Wiring harnesses designed for communication and sensor data flow.
• Electrical Wiring: Traditional power supply wiring for automotive systems.
• Vehicle Type Insights:
• Two Wheelers: Growing segment driven by demand in Vietnam’s mobility market.
• Passenger Cars: Largest segment reflecting increasing domestic vehicle assembly.
• Commercial Vehicles: Includes trucks and buses requiring robust wiring harness systems.
• Category Insights:
• General Wires: Standard wires used across various vehicle applications.
• Heat Resistant Wires: Used in areas exposed to high temperatures.
• Shielded Wires: Designed to reduce electromagnetic interference.
• Tubed Wires: Protected wiring used for added durability and protection.
• Component Insights:
• Connectors: Essential for joining wiring harness components.
• Wires: Basic conductive elements of the harness system.
• Terminals: Critical for wiring connections and electrical contact.
• Others: Additional components integral to complete harness assemblies.

Regional Insights

The report identifies Northern Vietnam, Central Vietnam, and Southern Vietnam as key regional markets. Although exact statistics are not detailed in the source, the overall market growth is influenced by industrial expansion and supplier development across these regions, bolstering Vietnam’s position as a rising automotive wiring harness manufacturing hub.

Recent Developments & News

In February 2025, Lear Corporation acquired StoneShield Engineering, a company known for its expertise in robotics, automated taping, and high-voltage harness systems, strengthening Lear’s E-Systems operation and digital manufacturing strategy. In May 2024, Yazaki and Toray Industries introduced a recycled polybutylene terephthalate (PBT) resin for automotive wiring harness connectors. This resin, produced from manufacturing waste, matches the performance of new resin and supports carbon neutrality efforts in automotive manufacturing.

Key Players

• Sinnhong Electronics
• Lear Corporation
• StoneShield Engineering
• Yazaki
• Toray Industries

If you require any specific information that is not covered currently within the scope of the report, we will provide the same as a part of the customization.

About Us

IMARC Group is a global management consulting firm that helps the world’s most ambitious changemakers to create a lasting impact. The company provide a comprehensive suite of market entry and expansion services. IMARC offerings include thorough market assessment, feasibility studies, company incorporation assistance, factory setup support, regulatory approvals and licensing navigation, branding, marketing and sales strategies, competitive landscape and benchmarking analyses, pricing and cost research, and procurement research.

Contact Us

IMARC Group,

134 N 4th St. Brooklyn, NY 11249, USA,

Email: sales@imarcgroup.com,

Tel No: (D) +91 120 433 0800,

United States: +1-201971-6302