Diesel Engine Catalyst Market - Global Industry Size, Share, Trends Opportunity, and Forecast, Segmented By Technology, By Application, By Sales Channel, By Region & Competition, 2021-2031F

Description

The Global Diesel Engine Catalyst Market is projected to expand from USD 39.01 Billion in 2025 to USD 62.32 Billion by 2031, reflecting a CAGR of 8.12%. These catalysts, which include selective catalytic reduction systems and diesel oxidation catalysts, are specialized components designed to transform toxic exhaust emissions into harmless compounds. The market is primarily driven by strict international regulations mandating reduced particulate and nitrogen oxide emissions, alongside the continued necessity of diesel powertrains in heavy-duty commercial transport due to their superior thermal efficiency and torque. This dominance is highlighted by recent data from the European Automobile Manufacturers' Association, which reported that diesel engines comprised 95.7% of new heavy-duty truck registrations in the European Union during 2023.

Market Overview
Forecast Period	2027-2031
Market Size 2025	USD 39.01 Billion
Market Size 2031	USD 62.32 Billion
CAGR 2026-2031	8.12%
Fastest Growing Segment	Off-Road
Largest Market	Asia Pacific

However, the industry faces a substantial hurdle due to the accelerating global shift toward electrification and alternative energy solutions. The widespread uptake of hydrogen fuel cell technologies and battery electric vehicles, propelled by government decarbonization mandates, threatens to progressively reduce the production of internal combustion engines. This transition acts as a significant barrier to long-term market growth by effectively shrinking the total addressable market for traditional exhaust aftertreatment hardware.

Market Driver

The enforcement of rigorous global emission regulations acts as a critical catalyst for market growth, with regulatory bodies mandating advanced filtration technologies to curb nitrogen oxides and particulate matter. This legislative pressure forces manufacturers to implement complex aftertreatment systems to remain compliant with evolving frameworks, a trend exemplified by recent Euro 7 standards. As noted by the European Council in April 2024 under 'Euro 7: Council adopts new rules on emission limits', the legislation requires new heavy-duty vehicles to meet updated limits within 48 months of enactment, thereby ensuring sustained demand for high-efficiency exhaust control hardware.

Simultaneously, the persistent demand for heavy commercial vehicles and off-highway construction equipment reinforces the reliance on diesel powertrains. Sectors such as mining and logistics continue to depend on diesel engines, driving the consumption of emission control systems, as evidenced by the financial performance of key industrial players. Caterpillar Inc. reported in their '4Q and Full-Year 2023 Financial Results' from February 2024 that full-year sales and revenues climbed 13% to $67.1 billion over 2022, a rise closely linked to increased procurement of aftertreatment components. Furthermore, the on-road sector remains resilient; according to the European Automobile Manufacturers' Association's 'New Commercial Vehicle Registrations: H1 2024' released in August 2024, new EU truck registrations grew by 3% to 183,295 units, demonstrating the robustness of the core market.

Market Challenge

The rapid global movement toward electrification and alternative powertrains presents a fundamental structural risk to the Global Diesel Engine Catalyst Market. As governments implement aggressive decarbonization mandates with specific timelines for phasing out internal combustion engines, original equipment manufacturers are increasingly shifting R&D funds away from exhaust aftertreatment in favor of battery electric and hydrogen technologies. This diversion inevitably reduces the total addressable market for diesel oxidation catalysts and selective catalytic reduction systems, as the displacement of conventional engines eliminates the need for emission control hardware entirely.

Evidence of this demand contraction is already apparent in major regional markets facing intense regulatory pressure. Data from the European Automobile Manufacturers' Association reveals that in 2024, the market share for new diesel passenger car registrations in the European Union dropped to 11.9%, falling behind battery-electric vehicles, which captured 13.6% of the market for the first time. This statistical shift highlights the speed at which electric mobility is eroding the traditional diesel consumer base. As this trend expands from passenger segments into light and eventually heavy-duty commercial applications, catalyst manufacturers face a sustained decline in production volumes and long-term revenue potential.

Market Trends

The adoption of advanced Platinum Group Metal (PGM) thrifting strategies has become essential for catalyst manufacturers aiming to manage input cost volatility. Engineers are increasingly reformulating washcoats to replace expensive palladium with platinum, optimizing precious metal ratios in oxidation catalysts without sacrificing compliance. This strategic substitution is reflected in material consumption patterns; the World Platinum Investment Council's 'Platinum Quarterly Q1 2024' from May 2024 forecasts that automotive platinum demand will rise by 2% to 3,269 koz in 2024, driven by this shift in aftertreatment systems, allowing suppliers to stabilize costs despite fluctuating commodity markets.

Concurrently, there is a growing demand for recycled and remanufactured catalyst systems, driven by the need to reduce fleet maintenance costs and achieve sustainability goals. Operators are utilizing closed-loop supply chains to recover precious metals and refurbish diesel particulate filters for reuse in heavy-duty applications. This trend toward circular economy models is validated by industrial performance; Stellantis N.V. reported in their 'Full Year 2023 Results' from February 2024 that their Circular Economy business unit achieved an 18% year-on-year revenue increase, highlighting the expanding commercial traction of remanufactured components, including emission control hardware.

Key Market Players

Umicore NV
BASF SE
Johnson Matthey Plc
Corning Incorporated
Tenneco Inc.
Bosch GmbH
Denso Corporation
Faurecia S.A.
Haldor Topsoe A/S
Continental AG

Report Scope

In this report, the Global Diesel Engine Catalyst Market has been segmented into the following categories, in addition to the industry trends which have also been detailed below:

Diesel Engine Catalyst Market, By Technology

Diesel Oxidation Catalysts (DOC)
Diesel Particulate Filter (DPF)
Selective Catalytic Reduction (SCR)
Others

Diesel Engine Catalyst Market, By Application

On-Road
Off-Road

Diesel Engine Catalyst Market, By Sales Channel

OEM
Aftermarket

Diesel Engine Catalyst Market, By Region

North America
- United States
- Canada
- Mexico
Europe
- France
- United Kingdom
- Italy
- Germany
- Spain
Asia Pacific
- China
- India
- Japan
- Australia
- South Korea
South America
- Brazil
- Argentina
- Colombia
Middle East & Africa
- South Africa
- Saudi Arabia
- UAE

Competitive Landscape

Company Profiles: Detailed analysis of the major companies present in the Global Diesel Engine Catalyst Market.

Available Customizations:

Global Diesel Engine Catalyst Market report with the given market data, TechSci Research offers customizations according to a company's specific needs. The following customization options are available for the report:

1. Product Overview

1.1. Market Definition
1.2. Scope of the Market
- 1.2.1. Markets Covered
- 1.2.2. Years Considered for Study
- 1.2.3. Key Market Segmentations

2. Research Methodology

2.1. Objective of the Study
2.2. Baseline Methodology
2.3. Key Industry Partners
2.4. Major Association and Secondary Sources
2.5. Forecasting Methodology
2.6. Data Triangulation & Validation
2.7. Assumptions and Limitations

3. Executive Summary

3.1. Overview of the Market
3.2. Overview of Key Market Segmentations
3.3. Overview of Key Market Players
3.4. Overview of Key Regions/Countries
3.5. Overview of Market Drivers, Challenges, Trends

4. Voice of Customer

5. Global Diesel Engine Catalyst Market Outlook

5.1. Market Size & Forecast
- 5.1.1. By Value
5.2. Market Share & Forecast
- 5.2.1. By Technology (Diesel Oxidation Catalysts (DOC), Diesel Particulate Filter (DPF), Selective Catalytic Reduction (SCR), Others)
- 5.2.2. By Application (On-Road, Off-Road)
- 5.2.3. By Sales Channel (OEM, Aftermarket)
- 5.2.4. By Region
- 5.2.5. By Company (2025)
5.3. Market Map

6. North America Diesel Engine Catalyst Market Outlook

6.1. Market Size & Forecast
- 6.1.1. By Value
6.2. Market Share & Forecast
- 6.2.1. By Technology
- 6.2.2. By Application
- 6.2.3. By Sales Channel
- 6.2.4. By Country
6.3. North America: Country Analysis
- 6.3.1. United States Diesel Engine Catalyst Market Outlook
  - 6.3.1.1. Market Size & Forecast
    - 6.3.1.1.1. By Value
  - 6.3.1.2. Market Share & Forecast
    - 6.3.1.2.1. By Technology
    - 6.3.1.2.2. By Application
    - 6.3.1.2.3. By Sales Channel
- 6.3.2. Canada Diesel Engine Catalyst Market Outlook
  - 6.3.2.1. Market Size & Forecast
    - 6.3.2.1.1. By Value
  - 6.3.2.2. Market Share & Forecast
    - 6.3.2.2.1. By Technology
    - 6.3.2.2.2. By Application
    - 6.3.2.2.3. By Sales Channel
- 6.3.3. Mexico Diesel Engine Catalyst Market Outlook
  - 6.3.3.1. Market Size & Forecast
    - 6.3.3.1.1. By Value
  - 6.3.3.2. Market Share & Forecast
    - 6.3.3.2.1. By Technology
    - 6.3.3.2.2. By Application
    - 6.3.3.2.3. By Sales Channel

7. Europe Diesel Engine Catalyst Market Outlook

7.1. Market Size & Forecast
- 7.1.1. By Value
7.2. Market Share & Forecast
- 7.2.1. By Technology
- 7.2.2. By Application
- 7.2.3. By Sales Channel
- 7.2.4. By Country
7.3. Europe: Country Analysis
- 7.3.1. Germany Diesel Engine Catalyst Market Outlook
  - 7.3.1.1. Market Size & Forecast
    - 7.3.1.1.1. By Value
  - 7.3.1.2. Market Share & Forecast
    - 7.3.1.2.1. By Technology
    - 7.3.1.2.2. By Application
    - 7.3.1.2.3. By Sales Channel
- 7.3.2. France Diesel Engine Catalyst Market Outlook
  - 7.3.2.1. Market Size & Forecast
    - 7.3.2.1.1. By Value
  - 7.3.2.2. Market Share & Forecast
    - 7.3.2.2.1. By Technology
    - 7.3.2.2.2. By Application
    - 7.3.2.2.3. By Sales Channel
- 7.3.3. United Kingdom Diesel Engine Catalyst Market Outlook
  - 7.3.3.1. Market Size & Forecast
    - 7.3.3.1.1. By Value
  - 7.3.3.2. Market Share & Forecast
    - 7.3.3.2.1. By Technology
    - 7.3.3.2.2. By Application
    - 7.3.3.2.3. By Sales Channel
- 7.3.4. Italy Diesel Engine Catalyst Market Outlook
  - 7.3.4.1. Market Size & Forecast
    - 7.3.4.1.1. By Value
  - 7.3.4.2. Market Share & Forecast
    - 7.3.4.2.1. By Technology
    - 7.3.4.2.2. By Application
    - 7.3.4.2.3. By Sales Channel
- 7.3.5. Spain Diesel Engine Catalyst Market Outlook
  - 7.3.5.1. Market Size & Forecast
    - 7.3.5.1.1. By Value
  - 7.3.5.2. Market Share & Forecast
    - 7.3.5.2.1. By Technology
    - 7.3.5.2.2. By Application
    - 7.3.5.2.3. By Sales Channel

8. Asia Pacific Diesel Engine Catalyst Market Outlook

8.1. Market Size & Forecast
- 8.1.1. By Value
8.2. Market Share & Forecast
- 8.2.1. By Technology
- 8.2.2. By Application
- 8.2.3. By Sales Channel
- 8.2.4. By Country
8.3. Asia Pacific: Country Analysis
- 8.3.1. China Diesel Engine Catalyst Market Outlook
  - 8.3.1.1. Market Size & Forecast
    - 8.3.1.1.1. By Value
  - 8.3.1.2. Market Share & Forecast
    - 8.3.1.2.1. By Technology
    - 8.3.1.2.2. By Application
    - 8.3.1.2.3. By Sales Channel
- 8.3.2. India Diesel Engine Catalyst Market Outlook
  - 8.3.2.1. Market Size & Forecast
    - 8.3.2.1.1. By Value
  - 8.3.2.2. Market Share & Forecast
    - 8.3.2.2.1. By Technology
    - 8.3.2.2.2. By Application
    - 8.3.2.2.3. By Sales Channel
- 8.3.3. Japan Diesel Engine Catalyst Market Outlook
  - 8.3.3.1. Market Size & Forecast
    - 8.3.3.1.1. By Value
  - 8.3.3.2. Market Share & Forecast
    - 8.3.3.2.1. By Technology
    - 8.3.3.2.2. By Application
    - 8.3.3.2.3. By Sales Channel
- 8.3.4. South Korea Diesel Engine Catalyst Market Outlook
  - 8.3.4.1. Market Size & Forecast
    - 8.3.4.1.1. By Value
  - 8.3.4.2. Market Share & Forecast
    - 8.3.4.2.1. By Technology
    - 8.3.4.2.2. By Application
    - 8.3.4.2.3. By Sales Channel
- 8.3.5. Australia Diesel Engine Catalyst Market Outlook
  - 8.3.5.1. Market Size & Forecast
    - 8.3.5.1.1. By Value
  - 8.3.5.2. Market Share & Forecast
    - 8.3.5.2.1. By Technology
    - 8.3.5.2.2. By Application
    - 8.3.5.2.3. By Sales Channel

9. Middle East & Africa Diesel Engine Catalyst Market Outlook

9.1. Market Size & Forecast
- 9.1.1. By Value
9.2. Market Share & Forecast
- 9.2.1. By Technology
- 9.2.2. By Application
- 9.2.3. By Sales Channel
- 9.2.4. By Country
9.3. Middle East & Africa: Country Analysis
- 9.3.1. Saudi Arabia Diesel Engine Catalyst Market Outlook
  - 9.3.1.1. Market Size & Forecast
    - 9.3.1.1.1. By Value
  - 9.3.1.2. Market Share & Forecast
    - 9.3.1.2.1. By Technology
    - 9.3.1.2.2. By Application
    - 9.3.1.2.3. By Sales Channel
- 9.3.2. UAE Diesel Engine Catalyst Market Outlook
  - 9.3.2.1. Market Size & Forecast
    - 9.3.2.1.1. By Value
  - 9.3.2.2. Market Share & Forecast
    - 9.3.2.2.1. By Technology
    - 9.3.2.2.2. By Application
    - 9.3.2.2.3. By Sales Channel
- 9.3.3. South Africa Diesel Engine Catalyst Market Outlook
  - 9.3.3.1. Market Size & Forecast
    - 9.3.3.1.1. By Value
  - 9.3.3.2. Market Share & Forecast
    - 9.3.3.2.1. By Technology
    - 9.3.3.2.2. By Application
    - 9.3.3.2.3. By Sales Channel

10. South America Diesel Engine Catalyst Market Outlook

10.1. Market Size & Forecast
- 10.1.1. By Value
10.2. Market Share & Forecast
- 10.2.1. By Technology
- 10.2.2. By Application
- 10.2.3. By Sales Channel
- 10.2.4. By Country
10.3. South America: Country Analysis
- 10.3.1. Brazil Diesel Engine Catalyst Market Outlook
  - 10.3.1.1. Market Size & Forecast
    - 10.3.1.1.1. By Value
  - 10.3.1.2. Market Share & Forecast
    - 10.3.1.2.1. By Technology
    - 10.3.1.2.2. By Application
    - 10.3.1.2.3. By Sales Channel
- 10.3.2. Colombia Diesel Engine Catalyst Market Outlook
  - 10.3.2.1. Market Size & Forecast
    - 10.3.2.1.1. By Value
  - 10.3.2.2. Market Share & Forecast
    - 10.3.2.2.1. By Technology
    - 10.3.2.2.2. By Application
    - 10.3.2.2.3. By Sales Channel
- 10.3.3. Argentina Diesel Engine Catalyst Market Outlook
  - 10.3.3.1. Market Size & Forecast
    - 10.3.3.1.1. By Value
  - 10.3.3.2. Market Share & Forecast
    - 10.3.3.2.1. By Technology
    - 10.3.3.2.2. By Application
    - 10.3.3.2.3. By Sales Channel

11. Market Dynamics

11.1. Drivers
11.2. Challenges

12. Market Trends & Developments

12.1. Merger & Acquisition (If Any)
12.2. Product Launches (If Any)
12.3. Recent Developments

13. Global Diesel Engine Catalyst Market: SWOT Analysis

14. Porter's Five Forces Analysis

14.1. Competition in the Industry
14.2. Potential of New Entrants
14.3. Power of Suppliers
14.4. Power of Customers
14.5. Threat of Substitute Products

15. Competitive Landscape

15.1. Umicore NV
- 15.1.1. Business Overview
- 15.1.2. Products & Services
- 15.1.3. Recent Developments
- 15.1.4. Key Personnel
- 15.1.5. SWOT Analysis
15.2. BASF SE
15.3. Johnson Matthey Plc
15.4. Corning Incorporated
15.5. Tenneco Inc.
15.6. Bosch GmbH
15.7. Denso Corporation
15.8. Faurecia S.A.
15.9. Haldor Topsoe A/S
15.10. Continental AG