The USA automotive composite leaf spring market size is expected to grow at a CAGR of 8.1% from 2025 to 2035. It is expected to reach an approximately USD 30.3 million by 2035. Advancements in composite material technologies, increasing adoption of EVs, and the general trend of reducing vehicle weight for better fuel efficiency are driving the growth in the automotive composite leaf spring market.Critical Trends:Key drivers of this market include:
| Attributes | Key Insights |
|---|---|
| Projected Size, 2035 | USD 30.3 million |
| Value-based CAGR (2025 to 2035) | 8.1% |
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Growing demand in the USA market for automotive composite leaf springs is because of the increasing trend toward the usage of lighter, more high-strength materials in the automobile segment. Automotive composite leaf springs replace traditional metal leaf springs of suspension systems of any vehicle with material containing fiberglass and carbon fiber.
The adoption of such composite materials benefits a vehicle regarding reduced weight, improved durability, and better performance. The growing emphasis on reducing the weight of automobiles, as well as improvement in fuel efficiency, only adds to the potential demand for composite leaf springs.
The shift towards electric vehicles, which demand lighter components to increase driving range, and the overall demand for higher fuel efficiency in traditional internal combustion engine vehicles are driving the USA market for automotive composite leaf springs. Moreover, composite leaf springs enhance ride comfort and reduce maintenance costs, which are critical for both passenger cars and commercial vehicles.
Growing Demand for Lightweight Components
With an increased focus on reducing the overall weight of vehicles to enhance fuel efficiency, composite leaf springs have become an attractive option. By replacing traditional steel leaf springs with composites, manufacturers can significantly reduce weight while maintaining performance and safety.
Rising Adoption in Electric Vehicles (EVs)
Lightweight suspension parts add more driving range to electric vehicles. Composite leaf springs are the best fit for EVs and are expected to fuel the demand forward.
Improved Durability and Performance
Composite leaf springs offer a better strength and performance as compared to the traditional steel leaf springs. They resist corrosion, fatigue, and wear, resulting in a longer life which is very much beneficial for commercial vehicles and high load utilization.
Customization and Design Flexibility
The other driving force in the market is the ability to design composite leaf springs to meet specific vehicle type and application requirements, while with composites, manufacturers can produce suspension systems better suited to comfort, performance, and handling.
Environmental Considerations
The automobile sector is focusing increasingly on sustainability. Composite materials are considered more sustainable alternatives because they pose less environmental concerns than the traditionally used metals such as carbon fiber and fiberglass.
Transversal Installation (55% Market Share)
Transverse installation is mounting of leaf springs across the width of the vehicle. This type of installation is very common in the rear suspension of passenger cars and light commercial vehicles. The load-carrying capacity and suspension performance are higher. This type of installation is very popular in passenger vehicles as well as commercial vehicles, as it effectively improves ride comfort and stability.
Longitudinal Installation (45% Market Share)
Longitudinal mounting is performed when holding the spring leaf along a vehicle's length, generally at the suspension part of the middle to heavy duty units. Because this method involves more flexible designing, it applies to trucks and buses in areas that have used high-performance capability with added endurance. Increasing usage of high performance products will contribute toward increased adoption of longitudinal mounting of the spring leaves.
High-Pressure Resin Transfer Molding Process (60% Market Share)
The HP-RTM process is a type of resin injection into a closed mold under high pressure. This results in the desired shape of the composite material made of fiberglass or carbon fiber. This production method is applied to composite leaf springs, guaranteeing excellent mechanical properties. As a result, the HP-RTM process enjoys significant market shares because it is efficient in producing high-strength components.
Prepreg Layup Process (30% Market Share)
In the prepreg layup process, the pre-impregnated fibers are layered into a mold through manual or automated means and cured under heat and pressure. It is a highly preferred process in high-performance composite leaf springs in premium vehicles. The prepreg layup process ensures uniformity and consistency of the final product, making it ideal for manufacturers who require precision and performance.
Others (10% Market Share)
Other techniques applied in making the automotive composite leaf springs are filament winding and resin infusion. In most cases, these are considered suitable for niche applications or low runs, especially those in niche vehicles and high-performance products.
Front Leaf Spring (45% Market Share)
Front leaf springs are used in the suspension of front axle vehicles. Such a leaf spring assists in stabilizing, smooth handling, and comfort of the vehicle. For the USA light commercial, trucks, and passenger vehicles, which is the prime driver for front leaf spring demand, this sector is dominated by it.
Rear Leaf Spring (55% Market Share)
Rear leaf springs are primarily used in the rear suspension of vehicles, particularly in heavy-duty applications. These components are designed to carry larger loads and provide greater support, making them suitable for use in trucks, buses, and other commercial vehicles. The demand for rear leaf springs is growing in the USA, particularly due to the rise in transportation and logistics industries.
Passenger Car (30% Market Share)
Composite leaf springs are increasingly being incorporated into passenger cars because of the reduced weight of the vehicles that leads to better fuel efficiency. This is particularly true when regulatory authorities are making stringent demands regarding fuel economy coupled with consumer demand for more fuel-efficient vehicles. The trend for compact and mid-size vehicles has increased pressure on the market for growth in this segment.
Light Commercial Vehicle (25% Market Share)
For example, composite leaf springs will definitely reduce the total weight of delivery vans and other small trucks without sacrificing load-carrying ability while improving fuel efficiency. This category is expected to grow as the market introduces more light commercial vehicles to support the e-commerce and last-mile delivery services.
Medium and Heavy-Duty Vehicles (45% Market Share)
The demand for composite leaf springs is highest in medium and heavy-duty vehicles, including trucks, buses, and trailers. These vehicles require high-performance suspension systems to support heavy loads, and composite leaf springs offer superior durability and corrosion resistance. As the logistics and transportation sectors continue to expand in the USA, this segment is expected to maintain a dominant share of the market.
| Segment | Front Leaf Spring |
|---|---|
| CAGR (2025 to 2035) | 7.4% |
| Key Drivers | Increasing demand for lightweight, durable components in passenger cars and light trucks. |
| Segment | Rear Leaf Spring |
|---|---|
| CAGR (2025 to 2035) |
7.6% |
| Key Drivers | Higher adoption in medium and heavy-duty vehicles, driven by transportation sector growth. |
| Segment | Prepreg Layup Process |
|---|---|
| CAGR (2025 to 2035) |
7.6% |
| Key Drivers | Demand for high-performance composites in premium vehicles. |
| Segment | High-Pressure Resin Transfer Molding Process |
|---|---|
| CAGR (2025 to 2035) | 8.4% |
| Key Drivers | Adoption of efficient and high-quality production processes for large-scale manufacturing. |
| Segment | Passenger Car |
|---|---|
| CAGR (2025 to 2035) | 6.8% |
| Key Drivers | Focus on weight reduction and fuel efficiency in compact and mid-size vehicles. |
| Segment | Medium and Heavy-Duty Vehicles |
|---|---|
| CAGR (2025 to 2035) | 9.2% |
| Key Drivers | Growth in the logistics and transportation industries driving demand for robust suspension systems. |
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The USA automotive composite leaf spring market is moderately consolidated, with several global and domestic players dominating the market. Key manufacturers are focusing on technological innovation, cost efficiency, and enhancing the performance of composite materials.
Key Players:
| Date | Key Development |
|---|---|
| January 2023 | Solvay announced a partnership with a major OEM to provide high-performance composite materials for leaf spring applications. |
| March 2023 | Sogefi launched a new line of lightweight composite leaf springs for electric vehicles. |
| June 2023 | Zhejiang Jingu Company expanded its manufacturing capabilities for composite suspension components in the USA market. |
The USA automotive composite leaf spring market is expected to grow, based on technological advancement, increased demand for lightweight vehicles, and growth in the electric vehicle market. The key focus will be on:
The market is expected to reach USD 30.3 million, growing at a CAGR of 8.1%.
The market is segmented by installation type (transversal and longitudinal), process type (HP-RTM, prepreg layup, and others), location type (front and rear leaf springs), and vehicle type (passenger cars, light commercial vehicles, medium and heavy-duty vehicles).
The High-Pressure Resin Transfer Molding (HP-RTM) process holds the largest market share due to its high efficiency and ability to produce high-strength components.
Major players include Zhejiang Jingu Company, Sogefi Group, Solvay, and Candover Green.
The adoption of composite leaf springs aligns with the automotive industry's goals of reducing vehicle weight, improving fuel efficiency, and meeting regulatory requirements for emissions and energy efficiency.
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USA Automotive Composite Leaf Springs Market
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