Replacement filter elements are key components that keep your hydraulic system running efficiently. Over time, contaminants such as metal particles, dust, and water can accumulate in hydraulic fluids, affecting system performance and component life. Replacement filter elements allow operators to change only the used element, saving on maintenance costs by avoiding full filter housing replacements. DURAfilter offers a premium range of replacement hydraulic filter elements engineered for high-performance and long service life. Our elements are compatible with major brands including Seebach, Mahle, Purolator, Microfilter, Pall, Separation Technologies, Bosch, and many others. With DURAfilter, users can expect consistent filtration quality, reduced downtime, and reliable protection for critical machinery.
We Carry Replacement Elements For:
| EPE | Norman | Seebach |
| Mahle | Purolator | Microfilter |
| Pall | Separation Technologies | Bosch |
| Parker | Stauff | Regeltechnik |
| Donaldson | Taisei Kogyo | Diagnetics |
| Denison | Vickers | Finn |
| Fairey Arlon | Mann & Hummel | Fleetguard |
| Hydac/Hycon | Profitlitch | Fram |
| Filtersoft | Boll & Kirsch | Schroeder |
| MP Filtri | Internormen | Moog |
| PTI |
Types of Replacement Filter Elements
Hydraulic systems use different types of replacement filter elements depending on the level of contamination, operating pressure, and required filtration accuracy. These filter elements vary by their construction material, filtration method, and application requirements.
We stock one of the expansive selections of these replacement filter elements, so you are sure to find the one that meets your requirements. Below are the primary types used in industrial and mobile hydraulic systems:
Pleated Microglass Filter Elements
Pleated microglass elements are widely used in high-performance hydraulic systems.
Pros:
- Extremely fine micron ratings for servo-grade contamination control
- High dirt-holding capacity due to large surface area
- Stable performance in high-pressure and high-temperature applications
Cons:
- Higher cost compared to cellulose filters
- Not suitable for systems requiring very coarse filtration
Cellulose Filter Elements
Cellulose replacement elements are commonly used for general-purpose hydraulic filtration.
Pros:
- Cost-effective solution for standard return-line and offline filtration
- Good absorption capability for moisture and larger particles
Cons:
- Lower efficiency in fine particle removal
- Shorter service life compared to synthetic media
Wire Mesh / Stainless Steel Filter Elements
These elements are used for demanding or harsh operating environments.
Pros:
- Washable and reusable; ideal for high temperatures and aggressive fluids
- Excellent mechanical strength for high-flow, low-micron applications
Cons:
- Limited fine-filtration capability
- Not suitable for systems requiring precision cleanliness
Depth-Type Filter Elements (Spun / Melt-Blown / Wound)
Depth-media elements remove contaminants throughout the media layers rather than only on the surface.
Pros:
- Effective for capturing larger contamination loads
- Strong structural integrity for variable flow and pressure conditions
Cons:
- Not suitable for applications requiring fine micron ratings
- Higher pressure drop compared to pleated designs
Glass Fiber / Synthetic Media Filter Elements
Synthetic replacement filter elements provide consistent filtration under stress.
Pros:
- High efficiency in both low and high viscosity fluids
- Excellent dirt-holding capacity and long service life
Cons:
- Higher upfront cost
Activated Media Filter Elements (Specialized Applications)
Some hydraulic systems require elements designed to trap varnish, oxidation by-products, or chemical contaminants.
Pros:
- Useful for varnish removal and improving fluid cleanliness
- Helps extend hydraulic fluid life significantly
Cons:
- Not required for all hydraulic circuits
- More expensive and application-specific
Key Features and Benefits of Replacement Filter Elements
DURAfilter replacement filter elements are engineered to deliver superior performance across diverse hydraulic applications. Our filter element replacement options combine advanced materials with proven manufacturing techniques.
- High Dirt-Holding Capacity and Filtration Efficiency: Advanced pleated media designs maximize surface area, capturing more contaminants before requiring replacement. This extended capacity reduces maintenance frequency and lowers operational costs significantly.
- Broad Fluid Compatibility: Our replacement hydraulic filter elements work seamlessly with petroleum-based oils, water glycol mixtures, phosphate esters, and synthetic fluids. Specially selected media and sealing materials resist chemical degradation.
- Extended Element Life and Reduced Downtime: Superior construction quality and optimized pleat geometry enable longer operation between changes. Reinforced media support structures prevent bypass under pressure spikes, minimizing unplanned shutdowns and maintenance interventions.
- Custom Design and Interchange Options: We offer standard OEM dimensions plus custom configurations for specialized applications. Our extensive cross-reference database simplifies inventory management and ensures compatibility with major equipment manufacturers across industries.
- Advanced Material and Media Options: Choose from microglass for superior fine particle capture, cellulose for economical general-purpose filtration, or wire mesh for high-temperature applications. Each replacement filter element uses materials matching your operating conditions.
Applications of Replacement Filter Elements
Replacement filter elements serve critical roles across numerous industries where hydraulic systems power essential equipment and processes. Selecting appropriate components ensures system reliability and longevity in demanding environments.
- Industrial Hydraulics: Manufacturing facilities, processing plants, and production lines utilize our replacement filter elements to maintain system cleanliness. Applications include injection molding machines, metal forming presses, and automated assembly equipment.
- Mobile Equipment: Construction machinery, agricultural equipment, and mining vehicles operate in harsh environments with high contamination risks. Our replacement hydraulic filter elements protect excavators, loaders, tractors, combines, and haul trucks effectively.
- Power Generation: Turbine control systems, generator cooling circuits, and auxiliary hydraulic systems require reliable filtration to ensure uninterrupted power production. These applications demand consistent performance under varying loads and temperatures.
- Marine and Energy Sectors: Offshore platforms, vessels, and subsea equipment face extreme conditions including saltwater exposure, vibration, and temperature fluctuations. Filter element replacements withstand high pressures in deck machinery and drilling equipment.
How to Choose the Right Replacement Filter Element
Selecting appropriate replacement filter elements require careful consideration of multiple technical parameters and system requirements. Making informed choices prevents costly mistakes and ensures optimal protection.
- Micron Rating and Beta Ratio: The filtration rating determines which particle sizes get captured effectively throughout operation. Fine ratings suit servo valves while coarser ratings work for return lines. Beta ratios indicate efficiency levels.
- Pressure Range and Collapse Resistance: If considering any of our filter element replacements, ensure that they match your system’s maximum operating and surge pressures.
- Flow Capacity and Pressure Drop: Undersized replacement filter elements create excessive pressure drop, reducing efficiency and potentially causing cavitation. Calculate actual flow rates and select components with adequate surface area for maximum flow requirements.
- Fluid Compatibility and Temperature Range: Different hydraulic fluids and operating temperatures require specific seal materials and media types. Consider fluid viscosity, additive packages, and thermal expansion.
- OEM Cross-Reference and Specifications: Use manufacturer part numbers to identify compatible replacement hydraulic filter elements meeting original specifications. DURAfilter maintains comprehensive cross-reference data ensuring dimensional accuracy, flow ratings, and filtration performance match requirements.
Maintenance Tips
Proper maintenance practices extend the life of replacement filter elements and prevent hydraulic system failures. Regular monitoring and timely interventions save money while maintaining peak performance.
- Timely Replacement Prevents Performance Loss: Clogged or saturated units restrict flow, increasing pressure drop and forcing pumps to work harder. This inefficiency generates heat, wastes energy, and accelerates component wear. Establishing schedules prevents problems.
- Recognizing Warning Signs: Excessive pressure drop, unusual system noise, increased operating temperatures, and sluggish actuator response indicate contamination or saturation. Visual bypass indicators provide immediate warning when differential pressure exceeds safe limits.
- Recommended Replacement Intervals: Manufacturer guidelines provide baseline intervals, but actual service life depends on hydraulic fluid contamination levels, fluid condition, and operating severity. Testing fluid samples helps establish optimal intervals for specific applications.
- Monitoring System Indicators: Many advanced hydraulic systems feature pressure differential gauges or electronic sensors, which are designed to continuously monitor condition. Recording readings during regular inspections identifies trends and predicts when replacement hydraulic filter elements need changing.
- Preventive Maintenance Benefits: Scheduling replacements during planned maintenance windows costs far less than emergency repairs. Maintaining clean hydraulic fluid protects expensive pumps, hydraulic valves, and cylinders. This proactive approach extends overall system life.
Find Your Perfect Replacement Hydraulic Filter Element Today
Choose DURAfilter for dependable, high-quality replacement hydraulic filter elements built to maintain system performance and reduce maintenance costs. Our filters are compatible with major OEMs, ensuring easy interchangeability. We also offer custom filter solutions designed for specific machinery, pressure ranges, or environmental conditions. For any queries or requirements, call 905-624-1610 or email sales@durafilterna.com, our sales expert will get in touch with you.
FAQs
Q. What is the difference between absolute and nominal micron ratings in replacement filter elements?
Ans. Absolute ratings guarantee 99.9% removal of regular and larger particles whereas a nominal micron rating indicates a minimum percentage (usually 85-95%) of particles of that size will be trapped, but allows smaller particles to pass through. Absolute ratings are more precise and used for critical applications, whereas nominal ratings are more general-purpose and less consistent due to varying test methods.
Q. What causes premature filter element failure?
Ans. Pressure spikes, incompatible fluids, excessive contamination, incorrect installation, or operating beyond design limits cause premature failure. Proper selection and maintenance practices prevent these issues.
Q. How does temperature affect filter element performance?
Ans. Extreme temperatures impact fluid viscosity and filter media efficiency. Our products maintain performance across wide temperature ranges, with special materials available for extreme conditions.
Q. What micron rating should I choose for servo valve protection?
Ans. Servo valves require fine filtration with appropriate absolute ratings. Use replacement hydraulic filter elements with suitable specifications to prevent contamination and maintain precise control.
Q. How does dirt-holding capacity affect replacement frequency?
Ans. Higher dirt-holding capacity allows units to capture more contaminants before pressure drop increases. This extends service intervals and reduces maintenance costs in contaminated environments.
Q. Are there seasonal considerations for filter element replacement?
Ans. Cold weather increases fluid viscosity, raising pressure drop. Schedule changes before winter or use elements rated for cold-start conditions in seasonal equipment for reliable operation.