Hydraulic Oil Filters

Hydraulic Oil Filters Market Outlook

The global hydraulic oil filters market is poised to reach a size of approximately USD 3.01 billion by 2035, growing at a CAGR of 5.4% during the forecast period from 2025 to 2035. This growth can be attributed to the increasing demand for hydraulic systems across various industrial sectors, such as construction, agriculture, and automotive, which necessitate efficient filtration systems to prolong equipment lifespan and enhance performance. In addition, rising environmental regulations and standards regarding fluid cleanliness and sustainability are driving the adoption of advanced filtration technologies. Moreover, technological advancements in filter materials and designs are expected to improve filter efficiency and reduce maintenance costs, thereby boosting market growth. The ongoing trend towards automation and smart technologies in machinery is further propelling the demand for sophisticated hydraulic oil filters that ensure optimal performance.

Growth Factor of the Market

The hydraulic oil filters market is influenced by several key growth factors that contribute to its expansion. One significant factor is the robust growth of the construction and agricultural machinery sectors, which rely heavily on hydraulic systems for operational efficiency. Additionally, the increasing focus on preventive maintenance practices in industrial applications is driving the demand for high-quality filters that can prevent system failures. Furthermore, the shift towards sustainable practices and the implementation of stringent regulations regarding oil and fluid cleanliness are propelling the adoption of advanced filtration solutions. The rise in automation and the growing number of construction projects across emerging economies are also contributing to the market's growth trajectory. Moreover, the trend of retrofitting existing machinery with advanced filtration systems is adding to the demand for hydraulic oil filters, promoting technological innovation and improvements in filter design.

Key Highlights of the Market

• The hydraulic oil filters market is expected to grow at a CAGR of 5.4% from 2025 to 2035.
• North America is projected to hold the largest market share due to the high demand from the automotive and industrial sectors.
• Technological advancements in filter materials, such as microglass and synthetic options, are enhancing filter efficiency and longevity.
• The increasing trend of automation in machinery is driving the adoption of hydraulic oil filters in various applications.
• Preventive maintenance practices are becoming more common, thus boosting the demand for reliable hydraulic oil filtration systems.

By Product Type

Suction Strainers:

Suction strainers are critical components in hydraulic systems, designed to filter out large particles and contaminants from the fluid before it enters the pump. These filters are typically installed at the inlet side of the hydraulic pump and play an essential role in preventing pump damage caused by debris. The increasing demand for hydraulic systems in construction and agricultural machinery is significantly driving the suction strainers segment. Additionally, advancements in manufacturing technologies are leading to the development of more efficient and durable suction strainers, which further enhances their adoption in various applications. Given the importance of fluid cleanliness in maintaining the longevity and efficiency of hydraulic systems, the suction strainers segment is expected to witness steady growth throughout the forecast period.

Return Line Filters:

Return line filters are designed to remove contaminants from hydraulic fluid returning to the tank after it has cycled through the system. These filters are crucial for maintaining the cleanliness of hydraulic fluids, which helps to extend the life of hydraulic components and improve overall system performance. The growth of industrial machinery and automotive applications is driving the demand for return line filters. With increasing awareness regarding the importance of maintaining fluid cleanliness to avoid costly equipment failures, the return line filters segment is anticipated to grow steadily. Innovations in filter media technology, such as the development of microglass and synthetic materials, are also enhancing the performance and efficiency of return line filters, making them a preferred choice for many manufacturers.

Pressure Line Filters:

Pressure line filters are vital for ensuring that hydraulic systems operate effectively by filtering contaminants from the fluid under high pressure. These filters are often employed in various applications, including construction equipment, agricultural machinery, and industrial machinery, and are critical for maintaining optimal system performance. The increasing complexity and performance requirements of hydraulic systems are driving the demand for high-quality pressure line filters. As manufacturers focus on enhancing the durability and filtration efficiency of these products, the pressure line filters segment is expected to experience considerable growth. Additionally, the rising trend of preventive maintenance practices in various industrial sectors is further fueling the demand for pressure line filters, as businesses seek to reduce downtime and enhance operational efficiency.

Off-Line Filters:

Off-line filters are designed to provide additional filtration for hydraulic systems when the machinery is not in operation. These filters are typically used in applications where high levels of cleanliness are required, allowing for continuous filtration of hydraulic fluids. The growth of the off-line filters segment is closely linked to the increasing focus on equipment reliability and maintenance in various industries, especially in sectors such as manufacturing and heavy machinery. As companies invest in preventative maintenance to minimize unplanned downtime, the demand for off-line filters is expected to grow. Moreover, advancements in filter designs that enhance the filtration capabilities of off-line systems are likely to contribute to the positive outlook of this segment through 2035.

In-Tank Filters:

In-tank filters are installed directly in the hydraulic fluid reservoir and are designed to filter contaminants before the fluid is circulated through the system. These filters play a crucial role in maintaining fluid cleanliness and preventing contamination from entering the hydraulic circuit. The increasing adoption of hydraulic systems in various applications, such as automotive and industrial machinery, is driving the demand for in-tank filters. Furthermore, innovations in filter technology, including the use of high-performance materials and advanced designs, are enhancing the filtration efficiency and reliability of in-tank filters. As industries become more aware of the importance of fluid cleanliness in hydraulic systems, the in-tank filters segment is expected to witness steady growth in the coming years.

By Application

Construction Equipment:

The construction equipment sector represents a significant application area for hydraulic oil filters, as these systems are extensively used in excavators, bulldozers, and cranes. The increasing number of construction projects, particularly in emerging markets, is driving the demand for hydraulic systems and their associated filtration solutions. As construction equipment operates under harsh conditions and is exposed to various contaminants, high-quality hydraulic oil filters are essential to ensure the longevity and efficiency of these machines. Furthermore, with the ongoing trend towards automation and advanced machinery in the construction industry, the demand for sophisticated hydraulic oil filters is expected to rise, contributing positively to this segment's growth.

Agricultural Machinery:

The agricultural machinery application segment is another critical area driving the growth of the hydraulic oil filters market. Hydraulic systems in tractors, harvesters, and other agricultural equipment are essential for executing various functions, and maintaining fluid cleanliness is vital for optimal performance. The increasing mechanization of agriculture, particularly in developing regions, is boosting the demand for hydraulic systems and, consequently, the hydraulic oil filters needed to protect these systems. Additionally, the growing emphasis on efficient and sustainable farming practices is encouraging farmers to invest in high-quality filtration solutions that enhance the reliability and performance of their equipment, further bolstering the agricultural machinery segment.

Industrial Machinery:

The industrial machinery sector is a prominent application area for hydraulic oil filters, as these filters are crucial for maintaining the performance of hydraulic systems used in manufacturing equipment, presses, and conveyors. With the expansion of manufacturing activities across various industries, there is an increasing need for reliable hydraulic oil filtration solutions to prevent contamination and ensure operational efficiency. The growing focus on automation and the integration of smart technologies in industrial machinery are further driving the demand for advanced hydraulic oil filters capable of meeting stringent performance standards. As industries strive for productivity and reduced maintenance costs, the industrial machinery segment is expected to experience significant growth in the coming years.

Automotive:

The automotive sector is a significant contributor to the hydraulic oil filters market, as hydraulic systems are integral to numerous automotive functions, including braking and steering. The increasing demand for vehicles, coupled with advancements in vehicle technology, is driving the need for high-quality hydraulic oil filters to ensure the safety and reliability of automotive systems. Additionally, with growing awareness regarding environmental regulations and the need for sustainable practices in the automotive industry, manufacturers are focusing on implementing advanced filtration technologies to enhance fluid cleanliness and reduce waste. The automotive application segment is therefore anticipated to witness substantial growth, as OEMs and aftermarket suppliers invest in innovative filtration solutions to meet market demands.

Others:

In addition to the prominent sectors of construction, agriculture, industrial machinery, and automotive, the hydraulic oil filters market also caters to various other applications, including marine, aerospace, and renewable energy. These sectors often have unique requirements for hydraulic systems and filtration solutions, driving the demand for specialized hydraulic oil filters tailored to their specific needs. As industries continue to evolve and adopt new technologies, the demand for hydraulic oil filters in these niche applications is expected to grow. Furthermore, the increasing focus on sustainability and efficiency across various sectors will likely propel innovations in hydraulic filtration technologies, allowing manufacturers to address the diverse requirements of additional applications effectively.

By Distribution Channel

OEM:

The original equipment manufacturer (OEM) distribution channel plays a crucial role in the hydraulic oil filters market, as manufacturers of hydraulic systems often provide integrated filtration solutions as part of their products. This channel includes the sale of hydraulic oil filters directly through OEMs as part of the machinery or equipment purchase. As the demand for high-quality hydraulic systems increases, OEMs are placing greater emphasis on providing reliable filtration solutions that meet stringent performance standards. The OEM channel is expected to experience steady growth as manufacturers aim to enhance customer satisfaction by offering complete solutions that include high-performance hydraulic oil filters designed for optimal system performance.

Aftermarket:

The aftermarket distribution channel is also significant in the hydraulic oil filters market, as it provides end-users with replacement filters and maintenance solutions for existing hydraulic systems. With the growing emphasis on preventive maintenance practices across various industries, the aftermarket segment is witnessing increased demand for hydraulic oil filters. Additionally, as equipment ages, the need for replacement filters to ensure continued performance and reliability becomes essential. The aftermarket channel is expected to thrive as manufacturers and suppliers offer a diverse range of hydraulic oil filters compatible with various machinery, catering to the evolving needs of end-users seeking high-quality filtration solutions for their hydraulic systems.

By Material Type

Metal:

Metal filters are widely used in hydraulic oil filtration due to their strength and durability. These filters are typically made from stainless steel or other robust metal alloys, which can withstand high pressures and harsh operating conditions. The metal filters are favored in applications that require high filtration efficiency and longevity, such as industrial machinery and construction equipment. The increasing demand for durable and reliable filtration solutions is driving the growth of the metal filters segment. Additionally, as manufacturers continue to invest in improving the performance and design of metal filters, their acceptance in various applications is expected to rise, contributing positively to the hydraulic oil filters market.

Microglass:

Microglass is a high-performance filter media that has gained popularity in the hydraulic oil filters market due to its superior filtration capabilities and extended service life. These filters can capture smaller particles compared to traditional filter materials, enhancing fluid cleanliness and reducing wear on hydraulic components. The demand for microglass filters is increasing as industries recognize the benefits of maintaining cleanliness in hydraulic systems to prevent costly downtime and equipment failures. With advancements in filter technology, the microglass segment is expected to witness substantial growth as manufacturers develop innovative filtration solutions that meet the rising standards for hydraulic oil cleanliness across various applications.

Cellulose:

Cellulose filters are known for their cost-effectiveness and are commonly used in hydraulic oil filtration applications. Made from natural fibers, these filters provide adequate filtration for a wide range of hydraulic systems. The cellulose segment is particularly popular in applications where cost considerations are paramount, such as in some agricultural and automotive machinery. As industries continue to seek efficient yet economical filtration solutions, the cellulose filters segment is likely to maintain its relevance in the market. However, manufacturers are also exploring advancements in cellulose filter designs to enhance their performance and longevity, thereby catering to the evolving needs of end-users.

Synthetic:

Synthetic filters are made from man-made materials designed to offer superior filtration performance and durability compared to traditional filter media. These filters exhibit excellent resistance to degradation and can capture particulates more effectively, making them ideal for high-demand applications. The increasing complexity of hydraulic systems and the need for high fluid cleanliness are driving the adoption of synthetic filters in various industries, including automotive, construction, and industrial machinery. As manufacturers continue to innovate and improve synthetic filter technologies, the segment is expected to grow significantly during the forecast period, driven by the demand for high-performance filtration solutions.

Others:

The 'Others' segment in the material type category includes various specialized filter media that may not fall into the conventional classifications of metal, microglass, cellulose, or synthetic materials. This segment encompasses innovations in filter technology, such as electrostatic or composite filters, which are designed to meet specific requirements in niche applications. As industries evolve and new filtration challenges emerge, the demand for specialized filter materials is expected to increase. Manufacturers are likely to invest in research and development to create innovative filtration solutions that address unique filtration needs and ensure the continued growth of this segment within the hydraulic oil filters market.

By Region

The hydraulic oil filters market is witnessing varying growth trends across different regions, driven by factors such as industrialization, infrastructure development, and technological advancements. North America is expected to dominate the market, holding a significant share due to the high demand from the automotive and industrial sectors. The region's robust manufacturing capabilities and ongoing investments in construction and agricultural activities are further propelling the growth of hydraulic oil filters. With a projected CAGR of 5.8%, North America is anticipated to maintain its leadership throughout the forecast period, supported by the presence of major players and the continuous focus on innovation.

Europe is also a key player in the hydraulic oil filters market, with a growing emphasis on sustainability and environmental regulations driving the adoption of advanced filtration solutions. The region's strong automotive industry and expanding manufacturing base are contributing to the demand for hydraulic oil filters. Meanwhile, the Asia Pacific region is experiencing rapid growth, attributed to increasing investments in infrastructure and heavy machinery across countries like China and India. The region is projected to exhibit a CAGR of 5.2%, highlighting its potential for market expansion as the demand for hydraulic systems continues to rise. Latin America and the Middle East & Africa are expected to grow steadily, driven by ongoing industrial developments and an increasing focus on modernizing equipment.

Opportunities

The hydraulic oil filters market presents several opportunities for growth, particularly in emerging economies where industrialization and infrastructure development are accelerating. As countries invest in upgrading their machinery and equipment, the demand for high-quality hydraulic oil filters is expected to rise. Additionally, the growing trend of automation across various industries will likely create a need for advanced filtration solutions that can ensure optimal performance and reliability. Moreover, the increasing focus on sustainability and environmental regulations is providing manufacturers with opportunities to innovate and develop eco-friendly filtration technologies. By capitalizing on these trends, companies can position themselves strategically in the hydraulic oil filters market and meet the evolving needs of their customers.

Furthermore, advancements in filter technology, such as the development of smart filters equipped with IoT capabilities, represent a significant opportunity in the market. These innovative solutions can provide real-time monitoring of fluid cleanliness and filter performance, allowing businesses to optimize maintenance schedules and reduce equipment downtime. Additionally, the rising popularity of electric and hybrid machinery in various sectors presents an opportunity for hydraulic oil filter manufacturers to develop specialized filtration solutions tailored to the unique requirements of these technologies. As industries continue to embrace digital transformation and smart technologies, the hydraulic oil filters market is well-positioned for future growth.

Threats

Despite its growth potential, the hydraulic oil filters market faces several threats that can impact its trajectory. One significant threat is the increasing competition among manufacturers, which may lead to price wars and reduced profit margins. With numerous players offering similar products, companies must differentiate themselves through innovation and superior quality to maintain market share. Additionally, fluctuations in raw material prices can pose a challenge for manufacturers, impacting production costs and pricing strategies. Furthermore, economic uncertainties and geopolitical tensions in various regions can affect industrial investments and demand for hydraulic systems, thereby influencing the hydraulic oil filters market adversely.

Another potential threat is the rapid advancement of technology, which requires manufacturers to continually invest in research and development to keep pace with evolving market demands. Failure to innovate or adapt to new filtration technologies may result in obsolescence and loss of market relevance. Moreover, the shift towards alternative technologies, such as electric and hybrid systems, may reduce the need for traditional hydraulic systems and their associated filtration solutions. Consequently, the hydraulic oil filters market must navigate these threats effectively to capitalize on growth opportunities while mitigating potential risks.

Competitor Outlook

• Parker Hannifin Corporation
• Donaldson Company, Inc.
• Hydac International GmbH
• Filtration Group Corporation
• Bosch Rexroth AG
• Mahle GmbH
• Fleetguard (Cummins Inc.)
• Eaton Corporation plc
• K&N Engineering, Inc.
• MANN+HUMMEL
• Sundstrand Corporation
• Hydraulic Filtration Solutions
• Oil Filtration Systems, Inc.
• Genuine OEM Parts
• UFI Filters

The competitive landscape of the hydraulic oil filters market is characterized by a diverse range of manufacturers, each vying for market share through innovation, quality, and customer service. Major players in the market, such as Parker Hannifin Corporation and Donaldson Company, Inc., leverage their extensive product portfolios and established brand reputation to capture significant market segments. These companies invest heavily in research and development to create advanced filtration solutions that meet the evolving demands of various industries, ensuring they stay ahead of the competition. Additionally, strategic partnerships and collaborations among key players are becoming increasingly common as companies aim to expand their market presence and enhance product offerings.

Hydac International GmbH stands out in the market as a leading manufacturer of hydraulic and filtration solutions, renowned for its commitment to quality and innovation. The company focuses on developing cutting-edge technologies that improve filtration efficiency and reliability, catering to diverse applications across industries. Similarly, Eaton Corporation plc is recognized for its comprehensive range of hydraulic oil filters, offering solutions tailored to the unique needs of its customers. By prioritizing customer satisfaction and investing in sustainable manufacturing practices, Eaton continues to strengthen its position within the hydraulic oil filters market.

Furthermore, companies such as Mahle GmbH and Bosch Rexroth AG are also key players, known for their advanced engineering capabilities and strong market presence. Mahle GmbH specializes in high-performance filtration solutions for automotive and industrial applications, continually innovating to improve filter technology. Meanwhile, Bosch Rexroth AG combines its expertise in hydraulics and automation to offer integrated filtration solutions for various machinery. As the hydraulic oil filters market evolves, these companies are likely to play a crucial role in shaping industry trends and driving growth through their innovative products and strategic initiatives.

• 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 Mahle GmbH
    • 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 MANN+HUMMEL
    • 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 UFI Filters
    • 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 Bosch Rexroth AG
    • 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 Genuine OEM Parts
    • 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 Eaton Corporation plc
    • 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 K&N Engineering, Inc.
    • 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 Sundstrand 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 Donaldson Company, Inc.
    • 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 Hydac International GmbH
    • 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 Fleetguard (Cummins Inc.)
    • 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 Parker Hannifin Corporation
    • 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 Filtration Group Corporation
    • 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 Oil Filtration Systems, 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 Hydraulic Filtration Solutions
    • 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 Hydraulic Oil Filters Market, By Application
    • 6.1.1 Construction Equipment
    • 6.1.2 Agricultural Machinery
    • 6.1.3 Industrial Machinery
    • 6.1.4 Automotive
    • 6.1.5 Others
  • 6.2 Hydraulic Oil Filters Market, By Product Type
    • 6.2.1 Suction Strainers
    • 6.2.2 Return Line Filters
    • 6.2.3 Pressure Line Filters
    • 6.2.4 Off-Line Filters
    • 6.2.5 In-Tank Filters
  • 6.3 Hydraulic Oil Filters Market, By Material Type
    • 6.3.1 Metal
    • 6.3.2 Microglass
    • 6.3.3 Cellulose
    • 6.3.4 Synthetic
    • 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 Hydraulic Oil Filters Market by Region
  • 10.6 Middle East & Africa - Market Analysis
    • 10.6.1 By Country
      • 10.6.1.1 Middle East
      • 10.6.1.2 Africa

• 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 Hydraulic Oil Filters market is categorized based on

By Product Type

• Suction Strainers
• Return Line Filters
• Pressure Line Filters
• Off-Line Filters
• In-Tank Filters

By Application

• Construction Equipment
• Agricultural Machinery
• Industrial Machinery
• Automotive
• Others

By Material Type

• Metal
• Microglass
• Cellulose
• Synthetic
• Others

By Region

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

Key Players

• Parker Hannifin Corporation
• Donaldson Company, Inc.
• Hydac International GmbH
• Filtration Group Corporation
• Bosch Rexroth AG
• Mahle GmbH
• Fleetguard (Cummins Inc.)
• Eaton Corporation plc
• K&N Engineering, Inc.
• MANN+HUMMEL
• Sundstrand Corporation
• Hydraulic Filtration Solutions
• Oil Filtration Systems, Inc.
• Genuine OEM Parts
• UFI Filters