Diesel Oxidation Catalysts Market

Diesel Oxidation Catalysts Market Outlook (2025 to 2035)

The global Diesel Oxidation Catalysts Market is projected value at US$ 1,488 million in 2024 and expand at a CAGR of 3.1% to end up at US$ 2,095 million by 2035.

Diesel oxidation catalysts (DOC) are essential to control the harmful emissions from the diesel engines, in synchronization with strict global regulatory norms towards clean air and lower environmental footprint. DOC catalyzes the oxidation of carbon monoxide and unburned hydrocarbons, thus providing critical contributions to abate pollutants via sophisticated catalytic processes.

The most important application fields of DOCs include automobiles, industrial equipment, and vessels. In the automotive segment, they are used in more and more light and heavy-duty vehicles to meet legislated emission requirements and provide improved fuel economy. DOCs are also used for the purposes of compliance with air quality standards by industrial applications, and maritime applications seek to reduce the environmental impacts of shipping.

Recent trends of the DOC market are going towards the development of highly efficient and durable catalysts, driven by sustainability and cleaner technologies. Improved materials, such as palladium and other noble metals used in catalysts, also enhance performance.

Additionally, the rise of electric and hybrid vehicles may influence new designs and applications of DOCs, pushing manufacturers to adapt to evolving market demands while continuing to address emission challenges in traditional diesel engines.

• Between 2025 and 2035, the application in OEMs is expected to produce an absolute dollar opportunity US$ 338.1 million.
• In 2025, the Hydrocarbons (HC) holding a 41.9% market share in the diesel oxidation catalysts by type and are estimated to be worth US$ 648 million.

Report Attributes	Details
Market Size (2024A)	US$ 1,488 million
Estimated Market Value (2025E)	US$ 1,544 million
Forecasted Market Value (2035F)	US$ 2,095 million
Global Market Growth Rate (2025 to 2035)	3.1% CAGR
North America Market Share (2024E)	35.9%
South Asia & Pacific Market Growth Rate (2025 to 2035)	3.6% CAGR
China Market Growth Rate (2025E)	2.9% CAGR
Key Companies Profiled	BASF SE; N.V. Johnson Matthey PLC; Umicore S.A; Corning Incorporated; Bosal International; Cataler Corp; CDTi Advanced Materials; MIRATECH; AirFlow Catalyst Systems; Dinex; DLC International; Nett Technologies Inc; Hypercat ACP; Other Prominent Players.

Sales Analysis of Diesel Oxidation Catalysts (2020 to 2024) vs. Market Forecasts (2025 to 2035)

The diesel oxidation catalysts industry grew at a growth rate of 2.8% from 2020 to 2024, and by the end of 2024, it was valued at US$ 1,488 million. Sales of diesel oxidation catalysts and their accessories grew steadily from 2020 to 2024 due to stringent emissions regulations and technological strides. For 2025 through 2035, they are expected to continue as environmental concerns become more paramount, cleaner fuels gain prominence, and catalyst technology advances.

Historical Report Attributes	Details
Market Size (2020A)	US$ 1,326 million
Market Size (2024A)	US$ 1,488 million
Historical CAGR (2020-2024)	2.8%
Forecasted CAGR (2025-2035)	3.1%

• Short Term (2025 to 2028): Diesel oxidation catalysts sector is expected to grow rapidly from 2025 to 2028 as a result of stringent regulations on emissions and increasing awareness about the environment. Indications are that industries are going to increasingly adopt modern DOC technologies to meet shifting standards and improve air quality. The partnerships between manufacturers and car companies will most likely drive innovation toward smarter, more effective solutions. In general, this period promises progress in line with sustainability goals across different sectors.
• Medium Term (2028 to 2032): From 2028 to 2032, a significant growth in the diesel oxidation catalysts market is expected as this will be due to stricter regulatory policies across the globe for reduced emission. Innovation in catalyst technology to enhance durability and efficiency shall further increase demand in this market. Transition towards cleaner energy sources shall generate opportunities for DOCs, especially in hybrid and alternative fuel applications.
• Long Term (2032 to 2035): The diesel oxidation catalysts market is poised for significant transformation between 2032 and 2035 due to strict emission standards and a global call towards sustainability. Catalyst technology advancements are going to enhance efficiency and durability to meet changing standards of the automotive and industrial worlds. Alternative fuels and hybrid technologies are going to reshape the dynamics of this market.

According to Fact.MR, the market size for Diesel Oxidation Catalysts in 2025 is expected to be valued at around US$ 1,544 million. The demand would experience a growth of about 3.1% over this period to attain an estimated US$ 2,095.4 million by 2035.

Market Dynamics

What driving forces influence the demand for Diesel Oxidation Catalysts?

"Stringent Emission Regulations Propel Demand for Diesel Oxidation Catalysts and Emission Control Accessories Globally."

In 2024, the global diesel oxidation catalysts market is projected to rise at a growth rate of 3.1%. Diesel oxidation catalysts and accessories have high demand concerning the strict emission standards enforced by governments around the world. As the problem of air quality and global warming deteriorates, governments enforce strict standards to reduce the emissions produced by diesel engines.

Such measures require manufacturers to adhere to these standards, which means an investment in advanced emission control technologies, such as DOCs. In addition, policies that encourage more environmentally friendly sources of energy force industries to update the already existing systems and therefore accelerate growth in the market. This trend of greener technologies is very notable in transportation and manufacturing as industries strive to be eco-friendlier.

The estimated net worth of North America Diesel Oxidation Catalysts, with a compound annual growth rate of 3.2%, is around US$ 555 million in 2025.

“Present and Future Technological Developments Strengthen Catalyst Performance and Increase Demand for Diesel Oxidation Products”

Technological advancement plays an important role in driving demand for diesel oxidation catalysts (DOCs) and their accessories. Advances in formulations, substrate designs, and performance parameters ensure more effective and robust products. This results in improved exhaust emission conversion, thereby better enhancing the efficiency of diesel oxidation systems.

There are new manufacturing techniques and ways that increase efficiency without raising the cost, for example, developing nanostructured catalysts. Industries are looking for more advanced technologies that meet the regulatory requirements and provide operational benefits, such as less fuel consumption and reduced maintenance.

What are the Primary Constraints Faced by the Market Competitors for Diesel Oxidation Catalysts?

“High production costs make diesel oxidation catalyst manufacturers less competitive in the market.”

High production costs raise the market competitiveness of the manufacturers in the diesel oxidation catalyst industry. Some of its key inputs are precious metals, namely platinum and palladium, which are critical in the catalytic process but, at times, change in trend, thus raising the cost of the material.

The process of manufacturing is also relatively sophisticated and requires special tools as well as skilled labor, thus meaning that cost of operations will continue to be on the high side. Since these companies are always caught between the need to spend for advanced technologies and the fact that they have to keep the costs low, this type of financial pressure can eat through the profit margins, rendering it difficult for smaller manufacturers to compete with larger corporations that enjoy economies of scale.

Country-wise Insights

Country-wise Forecast CAGRs for the Diesel Oxidation Catalysts Market

Country	CAGR
United States	3.3%
China	2.9%
Japan	2.3%
South Korea	2.7%

Which countries expect to have a rise in demand for Diesel Oxidation Catalysts?

“United States to Witness Significant Surge in Demand for Diesel Oxidation Catalysts Amid Tighter Emission Regulations"

In particular, the United States has a sizable market for Diesel Oxidation Catalysts, and the business is projected to expand at an annual growth rate of 3.1% between 2025 and 2035. The United States is going to witness a notable rise in demand for diesel oxidation catalysts and accessories mainly due to the stringent emission regulations being imposed by the Environmental Protection Agency.

The stringent standards adopted by states in the fight against air pollution, which also meets the national climate goals, have created a greater need for effective emissions control technologies. The transportation sector, still largely diesel, will drive the demand for this as fleets look to meet new regulations. In addition, an increased focus on sustainability in trucking and the emergence of environmental efforts are further fueling investment in diesel oxidation solutions.

United States market will have a value of US$ 477.0 million by 2025, with a total absolute dollar opportunity worth US$ 181.4 million between 2025 and 2035.

Why is China potentially a profitable market for Diesel Oxidation Catalysts?

“China's Shifting Industrial Demand Makes Diesel Oxidation Accessories a Lucrative Market Opportunity”

The China market is expected to increase at a compound annual growth rate of 2.9% between 2025 and 2035.

Description Chinese industrialization and urbanization have significantly increased diesel consumption leading to heightened concerns over environmental regulations and air quality. The emissions reduction commitment by the government has created a promising DOS and associated accessories market for sale.

Investments in cleaner technologies and strict adherence to environmental standards push industries to seek efficient oxidation solutions for diesel engines. As China enhances its infrastructure, including transport and logistics, the demand for durable and effective diesel oxidation solutions will rise, creating huge growth opportunities for manufacturers and suppliers in this sector, while supporting national goals for sustainability and pollution reduction.

The diesel oxidation catalysts industry in China is expected to reach a value of US$ 461 million by 2035.

Category-wise Insights

Which Type of segments plan to generate high demand for Diesel Oxidation catalysts?

“The Rising Emissions Regulations Drive Demand for Diesel Oxidation Catalysts in Hydrocarbon Applications”

The Hydrocarbons (HC) Type drove the market and allowed for an 3.3% growth rate in 2024.

The demand for the diesel oxidation catalysts (DOC) market is increasing due to the growing stringent regulations on emissions aimed at minimizing harmful pollutants. The DOC technology is being increasingly adopted by the hydrocarbon combustion industries, such as the automotive, marine, and industrial sectors, to abide by government mandates. The fact that DOC systems can convert carbon monoxide, hydrocarbons, and particulate matter into harmless emissions makes them increasingly attractive.

According to projections, the worldwide Hydrocarbons (HC) Type segment category will generate value of US$ 648 million by 2025.

Competitive Landscape

The market expansion for Diesel Oxidation Catalysts is being driven by prominent companies such as BASF SE, N.V. Johnson Matthey PLC, Umicore S.A, Corning Incorporated, Bosal International, Cataler Corp, CDTi Advanced Materials, MIRATECH, AirFlow Catalyst Systems, Dinex, and others.

These significant businesses strengthened their positions in the market for Diesel Oxidation Catalysts by a range of major methods, including product launches, mergers and acquisitions, expansions, and agreements. Major attention was paid to the deals and expansions.

• In September 2023, BASF SE announced advancements in catalyst technology to improve efficiency and emissions performance in commercial vehicles. The new formulations aim to meet upcoming stricter emissions regulations.
• In August 2023, Umicore unveiled its investment in new production facilities for automotive catalysts in response to increased demand for sustainable solutions, focusing on low-emission technologies.
• In April 2023, MIRATECH launched a new service program for Diesel Oxidation Catalysts, offering enhanced maintenance and support to maximize the life expectancy of their catalyst systems.

Fact.MR has provided detailed information about the price points of key manufacturers of Diesel Oxidation Catalysts positioned across regions, sales growth, production capacity, and speculative technological expansion, in the recently published report.

Segmentation of Diesel Oxidation Catalysts Market

• By Type :

  • Hydrocarbons (HC)
  • Carbon Monoxide (CO)
  • Oxides of Nitrogen (NOx)
  • Particulate Matter (PM)

• By Application :

  • OEMs
  • Aftermarket
  • Others

• By Region :

  • North America
  • Latin America
  • Western Europe
  • Eastern Europe
  • East Asia
  • South Asia & Pacific
  • Middle East & Africa