Global Automotive Crankcase Ventilation System Market Growth, Share, Size, Trends and Forecast (2025 - 2031)

By Type, the market is divided into Crankcase Ventilation, Catch Can Placement, and Correct PCV Hose Routing. Crankcase Ventilation is the most fundamental type, as it addresses the need to reduce crankcase pressure and prevent the buildup of harmful gases, ensuring engine efficiency and longevity. Catch Can Placement has gained popularity as an additional solution to trap and remove contaminants from the crankcase vent system, further improving engine cleanliness and performance. Correct PCV Hose Routing focuses on ensuring optimal airflow and preventing issues like leaks or blockages, which can affect engine performance. Together, these types of systems are integral to ensuring that vehicles comply with environmental regulations while enhancing engine reliability.

By Channel, the market is segmented into OEM and Aftermarket. The OEM segment is driven by the need for automotive manufacturers to incorporate crankcase ventilation systems directly into new vehicles. These systems are essential for compliance with emission standards and the desire to enhance vehicle performance. The Aftermarket segment, on the other hand, caters to the replacement and upgrade needs of vehicle owners. As vehicles age, the need for system repairs and replacements increases, and the growing trend of vehicle customization also fuels the demand for aftermarket crankcase ventilation components. Both segments are crucial, with OEM sales driven by vehicle production and Aftermarket sales growing in response to the aging vehicle fleet and demand for maintenance.

By Application, the market includes Buses and Coaches, Heavy Commercial Vehicles (HCV), and Light Commercial Vehicles (LCV). Buses and Coaches require robust crankcase ventilation systems due to their high operational hours and the need for reliability in long-distance travel. HCVs also have a significant demand for efficient crankcase ventilation systems to handle the high performance and power required by large engines used in trucks and industrial vehicles. LCVs, which are widely used for urban transport and delivery services, require these systems to optimize fuel efficiency and reduce emissions, making this segment a growing market. As the commercial vehicle sector continues to expand globally, the demand for effective crankcase ventilation systems in all these applications is expected to rise, driven by regulatory pressures and the need for more sustainable and efficient vehicle operation.

Overall, the segmentation by Type, Channel, and Application highlights the diverse requirements within the market. Each segment plays a vital role in addressing the needs of different vehicle types, driving performance, and meeting environmental standards, ensuring that the global automotive crankcase ventilation system market continues to grow across all sectors.

Global Automotive Crankcase Ventilation System Segment Analysis

In this report, the Global Automotive Crankcase Ventilation System Market has been segmented by Type, Channel, Application and Geography.

Global Automotive Crankcase Ventilation System Market, Segmentation by Type

The Global Automotive Crankcase Ventilation System Market has been segmented by Type into Crank Case Ventilation, Catch Can Placement and Correct PCV Hose Routing.

Crank Case Ventilation is a fundamental component of the system, responsible for ventilating gases from the crankcase to prevent pressure buildup and oil contamination. It typically consists of a Positive Crankcase Ventilation (PCV) valve that regulates the flow of gases from the crankcase to the intake manifold, where they are combusted in the engine. Proper crankcase ventilation is essential for maintaining engine efficiency, reducing emissions, and preventing the buildup of harmful gases and contaminants.

Catch Can Placement is another crucial aspect of crankcase ventilation systems, particularly in performance-oriented applications where oil vapor and blow-by gases can accumulate and contaminate the intake system. Catch cans, or oil separators, are installed in the ventilation system to trap and separate oil vapor from the crankcase gases before they enter the intake manifold. Strategic placement of catch cans ensures effective oil separation and prevents oil ingestion by the engine, reducing the risk of carbon buildup, detonation, and power loss.

Correct PCV Hose Routing plays a vital role in optimizing the performance and efficiency of crankcase ventilation systems. Proper routing of PCV hoses ensures the efficient flow of crankcase gases and prevents vacuum leaks or restrictions that can affect engine operation. Incorrect hose routing can lead to improper crankcase ventilation, increased oil consumption, and potential engine damage. Manufacturers and aftermarket suppliers focus on designing and implementing PCV hose routing solutions that ensure optimal airflow and maintain system integrity.

Global Automotive Crankcase Ventilation System Market, Segmentation by Channel

The Global Automotive Crankcase Ventilation System Market has been segmented by Channel into OEM and Aftermarket.

The OEM segment dominates the market, driven by the integration of crankcase ventilation systems directly into vehicles during the manufacturing process. Automotive manufacturers rely on OEM systems to meet regulatory standards and improve vehicle performance. These systems are crucial for reducing engine emissions, preventing oil sludge buildup, and maintaining engine efficiency. As vehicle production increases globally, the demand for OEM crankcase ventilation systems continues to rise, particularly with stricter environmental regulations pushing for more efficient emissions control.

In contrast, the Aftermarket segment is driven by the growing demand for replacement parts, vehicle maintenance, and upgrades. As vehicles age, the need for crankcase ventilation system replacements and repairs becomes more common. The aftermarket also offers opportunities for performance enhancements, allowing vehicle owners to modify or replace systems with upgraded components. The increasing number of older vehicles in operation, combined with the rising trend of vehicle customization, ensures continued growth in the aftermarket segment, as consumers seek affordable and reliable solutions for system maintenance and replacement.

Both segments contribute significantly to the overall growth of the market, with OEM sales linked to new vehicle production and Aftermarket sales growing due to the increasing demand for parts replacement and maintenance in the global vehicle fleet. As the automotive industry focuses more on efficiency, emissions control, and vehicle longevity, the demand for both OEM and aftermarket crankcase ventilation systems is expected to continue expanding.

Global Automotive Crankcase Ventilation System Market, Segmentation by Application

The Global Automotive Crankcase Ventilation System Market has been segmented by Application into Buses and Coaches, HCV and LCV.

For buses and coaches, crankcase ventilation systems play a crucial role in ensuring optimal engine performance, reliability, and emissions control. With buses and coaches operating in various environmental conditions and carrying passengers over long distances, there is a significant demand for ventilation systems that can effectively manage crankcase emissions, prevent oil contamination, and maintain engine efficiency. Manufacturers can capitalize on this segment by offering robust and reliable ventilation solutions tailored to the specific requirements of bus and coach applications, such as high-capacity oil separators, durable components, and integrated filtration systems.

In the heavy commercial vehicle (HCV) segment, crankcase ventilation systems are essential for maintaining engine durability, longevity, and compliance with emissions regulations. HCVs, including trucks, trailers, and heavy-duty construction equipment, operate under demanding conditions and require ventilation systems that can withstand high temperatures, vibration, and mechanical stress. Manufacturers can seize opportunities in this segment by developing ventilation systems that offer superior performance, durability, and ease of maintenance, thereby meeting the stringent requirements of HCV operators and fleet managers.

In the light commercial vehicle (LCV) segment, crankcase ventilation systems play a critical role in ensuring engine efficiency, emissions compliance, and reliability. LCVs, such as vans, pickup trucks, and delivery vehicles, are used for a wide range of applications, including transportation, logistics, and urban delivery services. With LCV operators seeking to optimize fuel economy, reduce maintenance costs, and minimize environmental impact, there is a growing demand for ventilation systems that can deliver effective crankcase ventilation, oil separation, and emissions control. Manufacturers can target this segment by offering compact, lightweight, and cost-effective ventilation solutions that meet the performance and durability requirements of LCV applications.

Global Automotive Crankcase Ventilation System Market, Segmentation by Geography

In this report, the Global Automotive Crankcase Ventilation System Market has been segmented by Geography into five regions; North America, Europe, Asia Pacific, Middle East and Africa and Latin America.

Global Automotive Crankcase Ventilation System Market Share (%), by Geographical Region, 2024

In North America, stringent emission regulations and a focus on engine efficiency drive the demand for advanced crankcase ventilation systems. With a mature automotive market and a strong emphasis on technological innovation, manufacturers have the opportunity to develop high-performance ventilation solutions that meet the requirements of both OEMs and aftermarket customers.

Europe, known for its stringent emissions standards and environmental regulations, presents opportunities for manufacturers to provide crankcase ventilation systems that help automakers comply with regulatory requirements while optimizing engine performance and reducing emissions. With a growing emphasis on sustainable mobility solutions, there is also a demand for environmentally friendly ventilation technologies that minimize environmental impact.

The Asia Pacific region, home to some of the world's largest automotive markets including China, Japan, and India, offers significant growth opportunities for crankcase ventilation system manufacturers. Rapid urbanization, expanding middle-class populations, and increasing vehicle ownership drive demand for automotive components, including ventilation systems. Manufacturers can capitalize on this growth by offering cost-effective and technologically advanced solutions tailored to the diverse needs of the Asia Pacific market.

In the Middle East and Africa region, a growing automotive aftermarket presents opportunities for manufacturers to supply replacement ventilation systems and aftermarket upgrades. As vehicles age and require maintenance, there is a continuous demand for high-quality ventilation components to ensure optimal engine performance and emissions control. Manufacturers can tap into this aftermarket demand by providing reliable and durable ventilation solutions through aftermarket channels.

Latin America, characterized by a mix of mature and emerging automotive markets, offers opportunities for manufacturers to expand their market presence and cater to the needs of both OEMs and aftermarket customers. With a growing focus on vehicle durability, reliability, and emissions compliance, there is a demand for high-quality crankcase ventilation systems that can withstand harsh operating conditions and meet regulatory requirements.