Automotive Fuel Filler Caps

Automotive Fuel Filler Caps Market Outlook

The global automotive fuel filler caps market is projected to reach USD 6.5 billion by 2035, growing at a CAGR of 4.6% from 2025 to 2035. The market's growth is driven by the increasing production of vehicles, particularly electric and hybrid models, which require reliable fuel filler systems. Additionally, the rising demand for aftermarket products and the need for enhanced safety features are contributing to the expansion of this market. As regulatory standards become more stringent regarding emissions and fuel safety, manufacturers are innovating their designs to comply with these regulations. Furthermore, the growing awareness of vehicle maintenance among consumers is boosting the need for quality fuel filler caps across various vehicle types. The shift toward sustainable automotive technologies and materials also plays a significant role in shaping market trends.

Growth Factor of the Market

The automotive fuel filler caps market is experiencing robust growth due to several key factors. The increasing vehicle production rate, driven by rising consumer demand for personal and commercial transport, is a significant contributor to market expansion. Moreover, advancements in automotive technology, including the development of fuel-efficient and environmentally friendly vehicles, are prompting manufacturers to innovate their product offerings. The emphasis on safety and compliance with stringent regulations regarding fuel containment and emissions is leading to the incorporation of advanced materials and locking mechanisms in fuel filler cap design. Additionally, the growing trend of electric vehicles (EVs) has opened new avenues for technologically advanced fuel filler cap solutions. Furthermore, the burgeoning aftermarket segment, coupled with rising consumer awareness regarding vehicle maintenance, is expected to sustain growth in the automotive fuel filler caps market.

Key Highlights of the Market

• The global automotive fuel filler caps market is projected to reach USD 6.5 billion by 2035.
• The market is anticipated to grow at a CAGR of 4.6% from 2025 to 2035.
• Electric vehicles are expected to drive demand for innovative fuel filler cap solutions.
• Aftermarket sales are increasingly becoming a significant revenue stream for manufacturers.
• Stringent safety regulations and environmental standards are shaping product development.

By Product Type

Screw-On Fuel Filler Caps:

Screw-on fuel filler caps represent a traditional and widely used type of fuel cap in the automotive industry. These caps are designed to create a tight seal, preventing fuel evaporation and leakage while providing a secure closure. The screw-on mechanism ensures that the cap remains firmly attached to the filler neck, enhancing safety during vehicle operation. This product type is particularly favored in passenger vehicles due to its reliability and ease of use. Additionally, the availability of various materials, including plastic and metal, allows manufacturers to meet diverse consumer preferences. As fuel efficiency and emissions standards tighten, the demand for screw-on fuel filler caps is projected to grow, particularly among environmentally conscious consumers seeking reliable solutions.

Push-In Fuel Filler Caps:

Push-in fuel filler caps are gaining popularity due to their user-friendly design and ease of operation. Unlike screw-on caps, these caps utilize a simple push mechanism, allowing users to easily remove and replace them with minimal effort. This feature is particularly beneficial for commercial vehicles and fleet operations, where quick refueling is essential. The push-in design often incorporates safety features, such as built-in anti-spill technology, which minimizes the risk of fuel spillage during the filling process. As the automotive sector continues to innovate and prioritize convenience, the demand for push-in fuel filler caps is expected to rise, especially in segments focusing on rapid refueling solutions.

Locking Fuel Filler Caps:

Locking fuel filler caps are specifically designed to provide enhanced security and prevent fuel theft. This type of cap features a locking mechanism that ensures only authorized users can access the fuel tank, making it an ideal choice for commercial vehicles and fleet operators. The increasing concern over fuel theft has driven the demand for locking fuel filler caps, prompting manufacturers to innovate with more advanced locking technologies. The incorporation of durable materials and weather-resistant designs further enhances the appeal of locking caps. As the commercial vehicle market expands, the reliance on locking fuel filler caps is anticipated to grow, offering an additional layer of security to vehicle owners.

Hinged Fuel Filler Caps:

Hinged fuel filler caps are characterized by their attached design, which allows for easy access without the risk of losing the cap during refueling. This design is prevalent in many modern vehicles, particularly passenger cars, where convenience and aesthetics are prioritized. Hinged caps often incorporate features that prevent dirt and debris from entering the fuel tank, ensuring the integrity of the fuel system. The ease of use and reduced likelihood of misplacing the cap make hinged fuel filler caps an attractive option for consumers. As the automotive industry continues to evolve, the focus on user-centric designs is likely to drive the popularity of hinged caps in the coming years.

Non-Locking Fuel Filler Caps:

Non-locking fuel filler caps are the most straightforward and economical choice for many vehicle manufacturers. These caps do not offer any security features, making them suitable for vehicles where fuel theft is not a significant concern. The simplicity of non-locking caps allows for easy installation and replacement, appealing to cost-sensitive consumers and markets. Despite lacking advanced safety mechanisms, non-locking caps are still compliant with industry standards for fuel containment and emissions control. As consumers continue to prioritize affordability, the demand for non-locking fuel filler caps is expected to persist, particularly in the entry-level vehicle segment.

By Application

Passenger Vehicles:

The passenger vehicle segment is a significant contributor to the automotive fuel filler caps market, accounting for a substantial share. This sector encompasses a wide range of vehicles, including sedans, SUVs, and hatchbacks, all of which require reliable fuel filler systems. The growing trend of vehicle ownership and the increasing production of passenger cars are driving demand in this segment. Additionally, the focus on improving fuel efficiency and reducing emissions in passenger vehicles is prompting manufacturers to innovate their fuel filler cap designs. As consumers become more environmentally conscious, the demand for advanced fuel filler caps that enhance performance and safety is expected to rise.

Commercial Vehicles:

The commercial vehicle segment, which includes trucks, buses, and vans, is another crucial area for the automotive fuel filler caps market. This segment is characterized by higher fuel consumption rates and the need for robust fuel systems that can handle demanding usage conditions. As the logistics and transportation sectors expand globally, the demand for commercial vehicles equipped with reliable fuel filler caps is projected to grow. Manufacturers are increasingly focusing on creating durable and secure caps to withstand the rigors of commercial operations, particularly in harsh environments. Additionally, the trend toward fleet management and optimization is driving the adoption of advanced fuel filler cap solutions in the commercial sector.

Electric Vehicles:

The rise of electric vehicles (EVs) presents a unique opportunity for the automotive fuel filler caps market, despite EVs traditionally not requiring fuel filler caps in the conventional sense. However, as hybrid and plug-in hybrid vehicles become more prevalent, the need for innovative fuel filler solutions is emerging. Manufacturers are developing specialized caps that accommodate both electric charging ports and traditional fuel tanks, catering to the dual-fuel capabilities of these vehicles. The demand for such products is expected to increase as consumers seek versatile transportation options. Additionally, the focus on sustainability and reducing carbon footprints in the automotive sector will further drive the need for advanced fuel filler cap designs in electric and hybrid vehicles.

Off-Highway Vehicles:

Off-highway vehicles, such as agricultural machinery and construction equipment, represent a specialized segment of the automotive fuel filler caps market. These vehicles operate in demanding environments where durability and reliability are paramount. Fuel filler caps for off-highway vehicles must be designed to withstand exposure to dust, debris, and extreme weather conditions. As the construction and agriculture sectors continue to grow, the demand for robust fuel filler cap solutions tailored to off-highway applications is expected to rise. Manufacturers are focusing on developing caps that offer enhanced sealing properties and ease of use for operators in challenging conditions, thereby driving innovation in this segment.

Two-Wheelers:

The two-wheeler segment, encompassing motorcycles and scooters, is an emerging area for the automotive fuel filler caps market. As urbanization increases and more consumers opt for two-wheelers as a cost-effective mode of transport, the demand for fuel filler caps tailored to these vehicles is anticipated to grow. Two-wheeler fuel caps are often designed for quick access and lightweight applications, catering to the needs of riders looking for convenience. Additionally, the rising trend of electric scooters and motorcycles also presents new opportunities for manufacturers to innovate their fuel filler cap designs. As two-wheelers continue to gain popularity, the market for fuel caps specifically designed for this segment is poised for substantial growth.

By Distribution Channel

OEMs:

The original equipment manufacturers (OEMs) segment plays a vital role in the automotive fuel filler caps market, as they are responsible for incorporating these components into new vehicles. OEMs focus on quality and adherence to industry standards, ensuring that the fuel filler caps meet safety and performance requirements. As vehicle production continues to ramp up globally, the demand for fuel filler caps supplied by OEMs is expected to grow. Furthermore, partnerships between manufacturers and OEMs are increasingly common, as companies seek to provide innovative and reliable fuel filler cap solutions. The OEM segment is projected to witness steady growth, driven by the expanding automotive industry and the need for high-quality fuel systems.

Aftermarket:

The aftermarket segment is becoming increasingly significant in the automotive fuel filler caps market, as consumers seek replacement parts for their vehicles. Various factors, such as wear and tear, theft, or damage, drive the need for aftermarket fuel filler caps. This segment offers a wide range of options, including standard and specialized caps, catering to diverse consumer preferences. In recent years, the growth of e-commerce platforms has further facilitated access to aftermarket fuel filler caps, allowing consumers to easily browse and purchase products. As vehicle ownership rates rise and the importance of maintenance becomes more evident, the aftermarket segment is anticipated to experience considerable growth, presenting opportunities for manufacturers to tap into this lucrative market.

By Material Type

Plastic:

Plastic fuel filler caps are among the most commonly used materials in the automotive fuel filler caps market due to their lightweight and corrosion-resistant properties. The versatility of plastic allows manufacturers to produce caps in various shapes and sizes tailored to different vehicles. Furthermore, advancements in plastic technology have enabled the development of durable and environmentally friendly options. As consumers increasingly seek cost-effective and efficient solutions, the demand for plastic fuel filler caps is expected to grow significantly. Additionally, the shift toward sustainable materials will likely drive innovation in plastic formulations, enhancing their appeal in the automotive sector.

Metal:

Metal fuel filler caps offer enhanced durability and security, making them a popular choice in the automotive industry. These caps are often used in high-performance vehicles and commercial applications where robust sealing and resistance to wear are critical. The use of metals such as aluminum and stainless steel ensures that these caps can withstand harsh environmental conditions, making them ideal for off-highway and heavy-duty vehicles. As manufacturers continue to prioritize safety and performance, the demand for metal fuel filler caps is expected to rise, particularly in segments that require enhanced security and longevity.

Rubber:

Rubber fuel filler caps are primarily used as sealing components within the fuel system, providing flexibility and resilience. These caps are designed to create airtight seals, preventing fuel leaks and evaporation. Rubber's adaptability makes it suitable for various applications, including passenger and commercial vehicles. The demand for rubber fuel filler caps is closely linked to the overall performance of the fuel system, as they play a crucial role in maintaining fuel integrity. As automotive technology evolves and emissions regulations become stricter, the demand for high-quality rubber fuel filler caps is expected to remain strong, ensuring compliance with industry standards.

Composite:

Composite materials are increasingly being utilized in the production of fuel filler caps due to their enhanced strength-to-weight ratio and resistance to chemical exposure. Composites combine the benefits of both plastic and metal, offering durability while remaining lightweight. This makes them especially appealing for modern vehicles that prioritize efficiency and performance. The growing adoption of composite materials aligns with the industry's shift toward more sustainable practices, as these materials can often be sourced from recycled components. As the automotive sector continues to innovate, the demand for composite fuel filler caps is expected to rise, reflecting the industry's commitment to advanced materials and technologies.

Others:

The "Others" category encompasses fuel filler caps made from alternative materials that do not fit within the primary categories. This includes innovative solutions that leverage advancements in material science, such as bio-based plastics or specialty alloys that offer unique properties tailored to specific applications. As the industry continues to evolve, manufacturers are exploring new materials that enhance performance, safety, and environmental sustainability. The demand for these alternative fuel filler caps is expected to increase as consumers and manufacturers seek more innovative solutions to meet specific performance criteria and regulatory standards. Additionally, advancements in manufacturing techniques will likely result in more diverse offerings within this category.

By Region

The automotive fuel filler caps market is characterized by significant regional variations, with North America, Europe, and Asia Pacific being key players. North America holds a substantial share of this market, driven by high vehicle ownership rates and a strong automotive manufacturing sector. The region's focus on safety and compliance with regulatory standards has led to increased demand for innovative fuel filler cap solutions. In this region, the market is projected to grow at a CAGR of 4.2% from 2025 to 2035, reflecting the ongoing advancements in automotive technology and consumer preferences for high-quality products.

Europe represents another crucial market for automotive fuel filler caps, attributed to the presence of major automotive manufacturers and a growing emphasis on sustainability. The region is witnessing a shift toward electric and hybrid vehicles, creating new opportunities for innovative fuel filler cap solutions. As European regulations around emissions and fuel safety become more stringent, the demand for advanced fuel filler caps is expected to rise significantly. Meanwhile, the Asia Pacific region is anticipated to exhibit the highest growth rate during the forecast period, driven by rapid urbanization, expanding automotive production, and increasing disposable incomes among consumers. These trends are expected to bolster the demand for fuel filler caps across various vehicle segments.

Opportunities

The automotive fuel filler caps market is poised for numerous opportunities, particularly in the realm of innovation and technology integration. Manufacturers can explore partnerships with technology firms to develop smart fuel filler cap solutions that incorporate features such as leak detection sensors and connectivity to vehicle diagnostics. These advancements can provide consumers with real-time information about their fuel systems, facilitating proactive maintenance and enhancing overall vehicle safety. Additionally, as the trend toward electric vehicles continues to rise, there are opportunities for the creation of dual-purpose fuel filler caps that serve both traditional fuel systems and electric charging ports. This innovation could cater to the growing market of hybrid vehicles, offering convenience to consumers who desire versatility in their transportation options.

Furthermore, the aftermarket segment presents significant growth potential for automotive fuel filler caps, as consumers increasingly turn to replacement parts for maintenance and upgrade purposes. The rise of e-commerce platforms creates an accessible marketplace for consumers to purchase aftermarket fuel filler caps, allowing manufacturers to reach a broader audience. Investing in marketing strategies that highlight the quality and reliability of aftermarket products can help capture a larger share of this growing segment. Additionally, collaborating with auto repair shops and service centers can ensure that consumers are aware of the availability of high-quality replacement fuel filler caps, further driving demand in this area.

Threats

The automotive fuel filler caps market faces several potential threats that could impact growth and profitability. One significant concern is the increasing competition from alternative fuel systems and technologies, such as electric and hydrogen fuel cell vehicles. As the automotive industry shifts toward these sustainable options, the demand for traditional fuel filler caps may decline, threatening the market's stability. Additionally, the rise of advanced electronic systems in vehicles can lead to complexities that may overshadow the need for conventional fuel filler caps, potentially diminishing their relevance in the long term. Manufacturers must adapt to these changes by diversifying their product offerings and investing in research and development to stay competitive in the evolving automotive landscape.

Another critical challenge is the fluctuation in raw material prices, particularly for plastic and metal components used in fuel filler cap production. These fluctuations can impact manufacturing costs and profit margins for companies operating in this market. Manufacturers must develop strategies to mitigate the risks associated with price volatility, such as diversifying their supply chains and exploring alternative materials. Moreover, stringent regulatory requirements related to fuel safety and emissions can pose additional challenges for manufacturers who must invest in compliance measures to meet evolving standards. Failure to adhere to these regulations can lead to penalties and loss of market access, further complicating the operational landscape for automotive fuel filler cap producers.

Competitor Outlook

• Bosch
• Continental AG
• Denso Corporation
• Delphi Technologies
• Valeo
• Henniges Automotive
• Standard Motor Products
• Stant Corporation
• Hella KGaA Hueck & Co.
• OMRON Corporation
• Gates Corporation
• Magna International Inc.
• FCA (Fiat Chrysler Automobiles)
• American Honda Motor Co., Inc.
• General Motors

The competitive landscape of the automotive fuel filler caps market is marked by a diverse range of companies striving to innovate and capture market share. Major players, such as Bosch and Denso Corporation, lead the industry with their extensive experience and investment in research and development. These companies focus on producing high-quality fuel filler caps that comply with safety regulations and address consumer preferences for durability and efficiency. Additionally, collaboration with OEMs allows these manufacturers to gain insights into market demands and create tailored solutions that enhance vehicle performance. As the competitive dynamics evolve, companies must prioritize sustainability and advanced technology to differentiate themselves in a crowded marketplace.

Emerging players, such as Henniges Automotive and Stant Corporation, are also making their mark by offering specialized products and leveraging niche markets. These companies often focus on specific applications, such as commercial vehicles or electric vehicles, where they can provide targeted solutions that meet unique customer requirements. The ability to adapt to changing consumer trends and technological advancements is essential for these players to thrive in the competitive environment. Moreover, the growing prominence of e-commerce platforms provides an avenue for these companies to reach consumers directly, enhancing their visibility and accessibility in the market.

As the automotive industry undergoes dramatic changes, companies like Valeo and Continental AG are investing heavily in innovative technologies to stay ahead of the competition. This includes exploring advanced materials for fuel filler caps, improving sealing mechanisms, and integrating smart technologies that enhance user experience. By fostering a culture of innovation and sustainability, these major players are well-positioned to capitalize on emerging trends in the automotive sector. Furthermore, established companies must also keep an eye on regulatory changes and evolving safety standards to ensure compliance and maintain their competitive edge in the market.

• 1 Appendix

  • 1.1 List of Tables
  • 1.2 List of Figures

• 2 Introduction

  • 2.1 Market Definition
  • 2.2 Scope of the Report
  • 2.3 Study Assumptions
  • 2.4 Base Currency & Forecast Periods

• 3 Market Dynamics

  • 3.1 Market Growth Factors
  • 3.2 Economic & Global Events
  • 3.3 Innovation Trends
  • 3.4 Supply Chain Analysis

• 4 Consumer Behavior

  • 4.1 Market Trends
  • 4.2 Pricing Analysis
  • 4.3 Buyer Insights

• 5 Key Player Profiles

  • 5.1 Bosch
    • 5.1.1 Business Overview
    • 5.1.2 Products & Services
    • 5.1.3 Financials
    • 5.1.4 Recent Developments
    • 5.1.5 SWOT Analysis
  • 5.2 Valeo
    • 5.2.1 Business Overview
    • 5.2.2 Products & Services
    • 5.2.3 Financials
    • 5.2.4 Recent Developments
    • 5.2.5 SWOT Analysis
  • 5.3 Continental AG
    • 5.3.1 Business Overview
    • 5.3.2 Products & Services
    • 5.3.3 Financials
    • 5.3.4 Recent Developments
    • 5.3.5 SWOT Analysis
  • 5.4 General Motors
    • 5.4.1 Business Overview
    • 5.4.2 Products & Services
    • 5.4.3 Financials
    • 5.4.4 Recent Developments
    • 5.4.5 SWOT Analysis
  • 5.5 Denso Corporation
    • 5.5.1 Business Overview
    • 5.5.2 Products & Services
    • 5.5.3 Financials
    • 5.5.4 Recent Developments
    • 5.5.5 SWOT Analysis
  • 5.6 Gates Corporation
    • 5.6.1 Business Overview
    • 5.6.2 Products & Services
    • 5.6.3 Financials
    • 5.6.4 Recent Developments
    • 5.6.5 SWOT Analysis
  • 5.7 OMRON Corporation
    • 5.7.1 Business Overview
    • 5.7.2 Products & Services
    • 5.7.3 Financials
    • 5.7.4 Recent Developments
    • 5.7.5 SWOT Analysis
  • 5.8 Stant Corporation
    • 5.8.1 Business Overview
    • 5.8.2 Products & Services
    • 5.8.3 Financials
    • 5.8.4 Recent Developments
    • 5.8.5 SWOT Analysis
  • 5.9 Delphi Technologies
    • 5.9.1 Business Overview
    • 5.9.2 Products & Services
    • 5.9.3 Financials
    • 5.9.4 Recent Developments
    • 5.9.5 SWOT Analysis
  • 5.10 Henniges Automotive
    • 5.10.1 Business Overview
    • 5.10.2 Products & Services
    • 5.10.3 Financials
    • 5.10.4 Recent Developments
    • 5.10.5 SWOT Analysis
  • 5.11 Hella KGaA Hueck & Co.
    • 5.11.1 Business Overview
    • 5.11.2 Products & Services
    • 5.11.3 Financials
    • 5.11.4 Recent Developments
    • 5.11.5 SWOT Analysis
  • 5.12 Standard Motor Products
    • 5.12.1 Business Overview
    • 5.12.2 Products & Services
    • 5.12.3 Financials
    • 5.12.4 Recent Developments
    • 5.12.5 SWOT Analysis
  • 5.13 Magna International Inc.
    • 5.13.1 Business Overview
    • 5.13.2 Products & Services
    • 5.13.3 Financials
    • 5.13.4 Recent Developments
    • 5.13.5 SWOT Analysis
  • 5.14 American Honda Motor Co., Inc.
    • 5.14.1 Business Overview
    • 5.14.2 Products & Services
    • 5.14.3 Financials
    • 5.14.4 Recent Developments
    • 5.14.5 SWOT Analysis
  • 5.15 FCA (Fiat Chrysler Automobiles)
    • 5.15.1 Business Overview
    • 5.15.2 Products & Services
    • 5.15.3 Financials
    • 5.15.4 Recent Developments
    • 5.15.5 SWOT Analysis

• 6 Market Segmentation

  • 6.1 Automotive Fuel Filler Caps Market, By Application
    • 6.1.1 Passenger Vehicles
    • 6.1.2 Commercial Vehicles
    • 6.1.3 Electric Vehicles
    • 6.1.4 Off-Highway Vehicles
    • 6.1.5 Two-Wheelers
  • 6.2 Automotive Fuel Filler Caps Market, By Product Type
    • 6.2.1 Screw-On Fuel Filler Caps
    • 6.2.2 Push-In Fuel Filler Caps
    • 6.2.3 Locking Fuel Filler Caps
    • 6.2.4 Hinged Fuel Filler Caps
    • 6.2.5 Non-Locking Fuel Filler Caps
  • 6.3 Automotive Fuel Filler Caps Market, By Material Type
    • 6.3.1 Plastic
    • 6.3.2 Metal
    • 6.3.3 Rubber
    • 6.3.4 Composite
    • 6.3.5 Others

• 7 Competitive Analysis

  • 7.1 Key Player Comparison
  • 7.2 Market Share Analysis
  • 7.3 Investment Trends
  • 7.4 SWOT Analysis

• 8 Research Methodology

  • 8.1 Analysis Design
  • 8.2 Research Phases
  • 8.3 Study Timeline

• 9 Future Market Outlook

  • 9.1 Growth Forecast
  • 9.2 Market Evolution

• 10 Geographical Overview

  • 10.1 Europe - Market Analysis
    • 10.1.1 By Country
      • 10.1.1.1 UK
      • 10.1.1.2 France
      • 10.1.1.3 Germany
      • 10.1.1.4 Spain
      • 10.1.1.5 Italy
  • 10.2 Asia Pacific - Market Analysis
    • 10.2.1 By Country
      • 10.2.1.1 India
      • 10.2.1.2 China
      • 10.2.1.3 Japan
      • 10.2.1.4 South Korea
  • 10.3 Latin America - Market Analysis
    • 10.3.1 By Country
      • 10.3.1.1 Brazil
      • 10.3.1.2 Argentina
      • 10.3.1.3 Mexico
  • 10.4 North America - Market Analysis
    • 10.4.1 By Country
      • 10.4.1.1 USA
      • 10.4.1.2 Canada
  • 10.5 Middle East & Africa - Market Analysis
    • 10.5.1 By Country
      • 10.5.1.1 Middle East
      • 10.5.1.2 Africa
  • 10.6 Automotive Fuel Filler Caps Market by Region

• 11 Global Economic Factors

  • 11.1 Inflation Impact
  • 11.2 Trade Policies

• 12 Technology & Innovation

  • 12.1 Emerging Technologies
  • 12.2 AI & Digital Trends
  • 12.3 Patent Research

• 13 Investment & Market Growth

  • 13.1 Funding Trends
  • 13.2 Future Market Projections

• 14 Market Overview & Key Insights

  • 14.1 Executive Summary
  • 14.2 Key Trends
  • 14.3 Market Challenges
  • 14.4 Regulatory Landscape

Segments Analyzed in the Report

The global Automotive Fuel Filler Caps market is categorized based on

By Product Type

• Screw-On Fuel Filler Caps
• Push-In Fuel Filler Caps
• Locking Fuel Filler Caps
• Hinged Fuel Filler Caps
• Non-Locking Fuel Filler Caps

By Application

• Passenger Vehicles
• Commercial Vehicles
• Electric Vehicles
• Off-Highway Vehicles
• Two-Wheelers

By Material Type

• Plastic
• Metal
• Rubber
• Composite
• Others

By Region

• North America
• Europe
• Asia Pacific
• Latin America
• Middle East & Africa

Key Players

• Bosch
• Continental AG
• Denso Corporation
• Delphi Technologies
• Valeo
• Henniges Automotive
• Standard Motor Products
• Stant Corporation
• Hella KGaA Hueck & Co.
• OMRON Corporation
• Gates Corporation
• Magna International Inc.
• FCA (Fiat Chrysler Automobiles)
• American Honda Motor Co., Inc.
• General Motors