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Automotive Leak Testing Market Size, Share & COVID-19 Impact Analysis, By Vehicle Type (Passenger Cars and Commercial Vehicles), By Propulsion (ICE and EV), By Application (Powertrain & Chassis, Fuel System & Battery, Cooling & Safety and Final Assembly), By Test Type (Pressure Decay, Tracer Gas Leak Test, and Others), and Regional Forecast, 2023-2030

Last Updated: April 01, 2024 | Format: PDF | Report ID: FBI109101



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The global automotive leak testing market size was valued at USD 380.3 million in 2022. The market is projected to grow from USD 399.9 million in 2023 to USD 584.5 million by 2030, exhibiting a CAGR of 5.6% during the forecast period.

Automotive leak testing is a vital component of the automotive manufacturing ecosystem, ensuring the integrity and reliability of various vehicle systems. As automakers continue to prioritize stringent quality standards and regulatory compliance, the demand for advanced leak testing solutions remains robust. Technological advancements play a pivotal role in shaping the market, with innovations, such as automated leak detection systems, real-time monitoring, and Industry 4.0 integration enhancing the efficiency and precision of testing processes. As the automotive industry transforms with sustainability and environmental consciousness, leak testing technologies that minimize waste and environmental impact gain prominence.


Temporary Haulage in Manufacturing Caused by the Pandemic Hindered Market Growth

The COVID-19 pandemic significantly impacted the automotive leak testing market growth, causing disruptions in production schedules, supply chains, and overall demand. The automotive industry and many others faced unprecedented challenges as lockdowns, social distancing measures, and economic uncertainties swept across the globe.

One of the immediate effects of the pandemic was the disruption in manufacturing operations. Many automotive plants had to temporarily cut down or operate at reduced capacity to comply with lockdown measures and ensure the safety of their workforce. This disruption in production had a cascading effect on the demand for leak testing equipment, as manufacturers delayed or scaled back their investments in new equipment amid uncertainties about market demand.

The market has witnessed a shift towards increased automation, the adoption of advanced leak testing technologies, and a renewed focus on quality control and safety. As the industry navigates ongoing challenges and embraces emerging trends, this market is expected to play a crucial role in ensuring the integrity and reliability of automotive components, especially in the context of evolving technologies and the push toward electric and hybrid vehicles.


Adoption of Advanced Testing Methods is Trending in the Automotive Leak Testing Market

An important technological trend in the automotive leak testing market forecast is the increasing adoption of non-destructive and advanced testing methods to enhance accuracy, efficiency, and sustainability in leak detection processes. Traditional methods have limitations, and the industry is shifting toward more sophisticated techniques to meet the evolving demands of modern vehicle manufacturing.

One prominent trend is the growing use of helium leak testing. Helium, being a small and inert gas, can easily penetrate the smallest leaks, providing highly accurate results. Manufacturers are increasingly incorporating helium-based leak detection systems into their testing processes, especially for critical components like fuel systems and refrigeration units. Helium mass spectrometry, a specific method within this trend, allows for extremely sensitive and precise leak detection, ensuring the integrity of complex systems.

Another emerging technology is the application of tracer gases other than helium, such as hydrogen or nitrogen, for leak testing. These gases offer advantages in terms of cost, safety, and environmental impact. Innovations in tracer gas methodologies involve the use of specific gas blends and advanced detection technologies to achieve reliable and efficient leak detection in various automotive components.

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Growth in Stringency and Regulation Standards in the Automotive Sector Aided Market Growth

This market is driven by the increasing emphasis on stringent quality standards and regulations within the automotive industry. As automotive manufacturers strive to deliver vehicles that meet elevated performance, safety, and environmental standards, the demand for effective leak testing solutions has surged. Also, stringent regulations, particularly related to emissions and fuel efficiency, have mandated the automotive sector to ensure the integrity of various components, including fuel systems, exhaust systems, and air conditioning units.

Governments across the globe are implementing and tightening emission norms to report environmental concerns and promote sustainable practices. Consequently, automakers are compelled to integrate advanced technologies for leak detection to comply with these regulations. For instance, regulations, such as the Euro 6 standard in Europe and the Corporate Average Fuel Economy (CAFE) standards in the U.S., have significantly influenced automotive leak testing practices.

Moreover, the growing complexity of automotive systems, including the rise of BEV and HEV, has intensified the need for reliable leak testing. As vehicles incorporate intricate components and alternative powertrain technologies, the potential points of leakage increase, necessitating advanced testing methodologies.


Higher Costs Associated with Leak Testing Procedures to Limit the Market Growth

One major leading restraint that is responsible for limiting the market growth is the economic impact and cost considerations associated with implementing advanced leak testing technologies. While there is a growing need for precise and efficient leak detection solutions, the initial investment and operational costs associated with adopting sophisticated testing equipment can act as a significant barrier for some automotive manufacturers, particularly smaller enterprises or those operating in cost-sensitive markets.

The high upfront costs of acquiring modern leak testing equipment, including advanced sensors, automation systems, and data analytics tools, can strain manufacturer’s budgets. This is particularly true for businesses that may already be grappling with other capital-intensive investments, such as the adoption of new manufacturing processes or compliance with evolving safety and emission standards. As a result, the perceived financial burden can lead to hesitancy or delays in the adoption of advanced leak testing technologies.

Operational costs, including maintenance, calibration, and training of personnel, also contribute to the overall expenditure associated with modern leak testing solutions. Maintaining and calibrating high-tech testing equipment requires skilled technicians and periodic investments, adding to the total cost of ownership. Additionally, training the workforce to operate and troubleshoot these sophisticated systems can entail additional expenses.


By Vehicle Type Analysis

Demand for Technological Advancements for Passenger Comforts Led to Passenger Cars Segment’s Expansion

By vehicle type, the market is segmented into passenger cars and commercial vehicles.

The passenger cars segment dominated and witnessed the fastest growth rate in 2022. The automotive industry has seen a significant rise in the production of passenger vehicles globally. The growing demand for cars, including sedans, hatchbacks, and SUVs, contributes to an increased need for rigorous quality control measures, including leak testing, to ensure the safety and reliability of these vehicles.

Commercial vehicles showcased significant growth during the forecast. Safety is a paramount consideration, especially given the scale of operations and the transportation of goods and passengers, thus increasing this market.

By Propulsion Analysis

Increasing Adoption of Luxury Features to Drive ICE Segment Growth

Based on type, the market is segmented into ICE and EV.

The ICE segment dominates the market. The growth is attributed to the vast fleet of vehicles globally comprising Internal Combustion Engines. As these vehicles undergo maintenance, repair, and periodic inspections, there is a continuous need for effective leak testing to ensure the proper functioning of various components, including fuel systems, exhaust systems, and engine compartments.

The EV segment has the fastest growth rate in the market. The expansion of electric vehicle charging infrastructure globally contributes to the increased demand for leak testing in charging stations.

By Application Analysis

Fuel System Segment Dominates the Market as it is a Critical System in Vehicle

By application, the market is segmented into the powertrain & chassis, fuel system & battery, cooling & safety, and final assembly.

The fuel system & battery segment dominates and is expected to witness the highest growth rate in the market. It is a critical component in any vehicle, and leaks in this system can pose serious safety risks. As a result, there is a heightened emphasis on leak testing applications specific to fuel systems to ensure the integrity of components, such as fuel tanks, fuel lines, and injectors.

The cooling & safety segment is the second dominant segment in the market. They are integral to vehicle performance, especially in internal combustion engines and electric vehicles. Leak testing in cooling applications helps identify potential issues in radiators, hoses, and other components, ensuring that the cooling system operates efficiently to prevent overheating and maintain optimal engine performance.

Powertrain & chassis and final assembly also showcased significant growth in the market.

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By Test Type Analysis

Pressure Decay Segment Dominates Due to its Adaptability for High-Volume Automotive Production

By test type, the market is categorized into pressure decay, tracer gas leak test, and others.

The pressure decay segment dominates the market. It is known for its high-speed testing capabilities in high-volume automotive production, where speed is a critical factor. The efficiency of pressure decay testing contributes to meeting production targets without compromising the accuracy of leak detection.

Tracer gas leak testing is versatile and can be used for a varied range of automotive components, including but not limited to engine components, fuel systems, air conditioning systems, and exhaust systems. Its adaptability makes it fit for diverse applications in the automotive manufacturing process, thus making it the second dominant and fastest-growing segment in the market.


Geographically, the market is studied across North America, Europe, Asia Pacific, and the Rest of the World.

Asia Pacific Automotive Leak Testing Market Size, 2022 (USD Million)

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Asia Pacific holds a dominant position in 2022 and also indicates similar and fastest-growing trajectory in the global market during forecast. Many major automotive OEMs have a presence in this region. The region's prominence as a manufacturing hub contributes significantly to the demand for automotive leak testing solutions. The rapid mechanization and urbanization in countries, such as China and India have led to increased vehicle production. This, in turn, fuels the demand for efficient and high-throughput automotive leak testing solutions.

Europe’s growth is due to its strict quality standards in the automotive sector. Automotive leak testing is integral in meeting these standards, ensuring that vehicles manufactured in the region adhere to rigorous quality and safety criteria. European countries are increasingly focusing on sustainable manufacturing practices. Leak testing methods that aligns with environmental sustainability, such as those using non-toxic gases, are gaining traction in the region.

North America and the rest of the world also showcased considerable growth in the market. Investments in manufacturing facilities and infrastructure development contribute to the expansion of the automotive industry in many countries in these regions. This, in turn, impacts the demand for automotive leak testing solutions and aids in market growth.


Cutting-Edge Solutions for Quality Control and Safety in Automotive Manufacturing Makes ATEQ Corporation One of the Key Players in the Market

ATEQ, headquartered in the U.S., is one of the leading players in this market. ATEQ specializes in the design and manufacturing of leak testing equipment, including instruments and systems for automotive applications. The company's solutions cover a wide spectrum of leak testing needs, from pressure decay testing to helium leak detection. ATEQ's global reach and dedication to providing high-quality, efficient, and customizable leak testing solutions have established it as a trusted partner for automotive manufacturers globally. With a focus on technological innovation and customer satisfaction, ATEQ continues to play a pivotal role in shaping the automotive leak testing market share.

INFICON, a Switzerland-based company, is a renowned provider of leak testing solutions and instrumentation. Leveraging advanced technologies, INFICON offers a comprehensive range of leak detection equipment tailored for various automotive applications. The company has a diverse customer base and continues to contribute to the industry's growth through its state-of-the-art products and services. These leading players exemplify excellence in delivering advanced technologies and solutions that contribute to the efficiency and quality of automotive manufacturing processes globally.



  • December 2023, the ATEQ laboratory in Taiwan obtained ISO/IEC 17025 certification. ISO/IEC 17025 certification is widely recognized worldwide and establishes general competency requirements for testing and calibration laboratories. ISO/IEC 17025 certification is a globally recognized laboratory quality management system certification that requires laboratories to have high technical competence and management systems in the fields of testing and calibration.

  • September 2023, LACO expanded leak standard calibration ranges to accommodate larger leak rates. Its scope has been broadened from 0.5 to 500 SCCM (standard cubic centimeters per minute) to an impressive 0.05 to 5000 SCCM on calibration systems.

  • May 2023, INFICON introduced its new electrolyte leak detector, the ELT3000 PLUS. This new ELT3000 PLUS is explicitly designed for leak testing ready-filled lithium-ion and sodium-ion battery cells by direct detection of electrolyte solvent leaking into a vacuum chamber. It is especially well-suited for in-line leak testing of lithium-ion battery cells with high throughput and heightened quality assurance metrics.

  • April 2023, Uson Released the A3-Network (A3N) Upgrade for Optima vT Leak Tester. This new upgrade streamlines data traceability, security & change control by leveraging centralized Microsoft© network user profiles.

  • July 2021, MSA Safety completely acquired Bacharach, Inc. at USD 337 million. Bacharach is known as a leader in gas detection technologies used for heating, ventilation, air conditioning and refrigeration (HVAC-R) markets based in New Kensington, PA.


The global market report offers a detailed analysis and focuses on key aspects. Besides this, it offers insights into the market trends and highlights key industry developments. In addition to the factors above, the report encompasses several factors that have contributed to the market growth in recent years.

An Infographic Representation of Automotive Leak Testing Market

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Report Scope & Segmentation



Study Period


Base Year


Estimated Year


Forecast Period


Historical Period


Growth Rate

CAGR of 5.6% from 2023 to 2030


Value (USD Million)


By Vehicle Type

  • Passenger Cars

  • Commercial Vehicles

By Propulsion

  • ICE

  • EV  

By Application

  • Powertrain & Chassis

  • Fuel System & Battery

  • Cooling & Safety

  • Final Assembly

By Test Type

  • Pressure Decay

  • Tracer Gas Leak Test

  • Others (Water bath testing, mass flow, chamber leak, and pressure cracking leak test)

By Geography

  • North America (By Propulsion, By Vehicle Type, By Application, By Test Type, By Country)

    • U.S. (By Vehicle Type)

    • Canada (By Vehicle Type)

    • Mexico (By Vehicle Type)

  • Europe (By Propulsion, By Vehicle Type, By Application,  By Test Type, By Country)

    • UK (By Vehicle Type)

    • Germany (By Vehicle Type)

    • France (By Vehicle Type)

    • RoE (By Vehicle Type)

  • Asia Pacific (By Propulsion, By Vehicle Type, By Application,  By Test Type, By Country )

    • China (By Vehicle Type)

    • Japan (By Vehicle Type)

    • India (By Vehicle Type)

    • South Korea (By Vehicle Type)

    • RoAPAC (By Vehicle Type)

  • Rest of the world ( By Propulsion, By Vehicle Type, By Application,  By Test Type, By Country )

Frequently Asked Questions

According to Fortune Business Insights, the market size was valued at USD 380.3 million in 2022.

The market is anticipated to record a CAGR of 5.6% during the forecast period.

Based on propulsion, the ICE segment leads the market.

The Asia Pacific is expected to hold the largest market share during the forecast period.

Growth in stringency and regulation standards in the automotive sector are expected to grow the overall market growth

ATEQ Corporation, Inficon, Cincinnati Test Systems, InterTech Development, and Pfeiffer Vacuum GmbH. Are among the leading market players.

Higher costs associated with leak testing procedures to limit the market growth.

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