The Vietnam automotive wiring harness market size reached USD 346.00 Million in 2024. The market is expected to reach USD 468.29 Million by 2033, exhibiting a CAGR of 3.42% during 2025-2033. Growth is driven by rapid local assembly expansion, foreign OEM investments, the introduction of electric vehicles, and supportive government incentives attracting global suppliers. Rising demand for powertrain and data harness modules is expanding the market share.

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 projected to grow at a CAGR of 3.42% during 2025-2033.

• Forecast market value is USD 468.29 Million by 2033.

• Vietnam’s expanding domestic vehicle production drives increased demand for wiring harness systems, with local tier-2 suppliers enhancing component integration.

• The EV and hybrid segment is growing rapidly, with VinFast delivering over 51,000 EVs in the first ten months of 2024.

• Specialized insulation materials and modular connectors are being developed for high-voltage harness systems.

• Export opportunities into ASEAN and beyond are amplifying production.

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Market Growth Factors

The growth of Vietnam's automotive wiring harness manufacturing is driven by domestic vehicle assembly. Some joint ventures and local producers manufacture harnesses suitable for local assembly and export. Many local manufacturers also perform tier-2 manufacturing in order to improve delivery times and flexibility. OEMs' stringent requirements on quality testing, traceability, and automation of supplier quality processes lead to increased investments. Higher harness content per vehicle and a broader variety of models from car manufacturers require additional engineering and production capacity. Export opportunities to ASEAN and other markets also provide a potential growth avenue.

With the country entering the electric vehicle market, the demand within high-voltage wiring harness systems with high requirements for thermal stability, moisture resistance and withstand voltage has increased. VinFast illustrates this trend with over 51000 EVs delivered in the first 10 months of 2024. Suppliers develop electric vehicle-specific insulation materials, along with modular connectors. Testing laboratory capacity, both for validating high voltage systems and certifying battery interface harnesses, is being increased to enable technical innovation and diversification.

Production costs and incentives offered by the government are highly competitive, attracting major tier-1 global suppliers, encouraging innovation, and maintaining competitive prices. In Vietnam, the market is expanding due to an increase in foreign OEM investment and the development of local suppliers. Vietnam is a highly competitive market for wiring harnesses. Increasing demand for powertrain and data harness modules in Vietnam is also increasing its share of the automotive wiring harness market.

Market Segmentation

• Application Insights: Body Wiring Harness, Engine Wiring Harness, Chassis Wiring Harness, HVAC Wiring Harness, Sensors Wiring Harness, Others. The market includes diverse applications for wiring harnesses addressing different vehicle components.

• Material Type Insights: Copper, Aluminum, Others. The market is segmented by wiring material types used in manufacturing.

• Transmission Type Insights: Data Transmission, Electrical Wiring. Wiring harnesses are differentiated based on the type of transmission they support.

• Vehicle Type Insights: Two Wheelers, Passenger Cars, Commercial Vehicles. The market caters to multiple vehicle categories with specific wiring harness requirements.

• Category Insights: General Wires, Heat Resistant Wires, Shielded Wires, Tubed Wires. Wires are categorized based on their functional and protective characteristics.

• Component Insights: Connectors, Wires, Terminals, Others. Key components of wiring harness systems identified for analysis.

Regional Insights

The report analyzes major regional markets including Northern Vietnam, Central Vietnam, and Southern Vietnam. These regions collectively contribute to the expanding production and assembly of wiring harnesses, supported by the growing automotive industry and supplier ecosystem. The specific dominant region is not explicitly stated in the source.

Recent Developments & News

In February 2025, Lear Corporation completed the acquisition of StoneShield Engineering, enhancing its capabilities in wire harness technology, robotics, automated taping, and high-voltage harness systems, aligning with Lear's IDEA strategy for advanced manufacturing. In May 2024, Yazaki and Toray Industries partnered to introduce a recycled polybutylene terephthalate (PBT) resin for automotive wiring harness connectors, produced from manufacturing waste. This material matches new resin performance while reducing carbon emissions, supporting sustainability and circular economy goals in automotive manufacturing.

Key Players

• Sinnhong Electronics

• Lear Corporation

• StoneShield Engineering

• Yazaki

• Toray Industries

Customization Note

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.

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