G04284 Parker Filter Element – High-Performance Hydraulic Filtration Solution

1. Product Overview

In hydraulic systems, maintaining oil cleanliness is critical to ensuring reliable equipment operation and longevity. 

Contaminants—such as metal particles generated by component wear and rubber impurities from seal degradation—accelerate

 system failure, reduce efficiency, and increase maintenance costs. The G04284 Parker Filter Element is a premium hydraulic

 filter designed to effectively remove these harmful contaminants, keeping hydraulic oil clean and extending the service life 

of pumps, valves, actuators, and other system components.

Manufactured to high-quality standards, this replacement element features advanced glass fiber filtration media that delivers 

excellent particle capture efficiency. It is specifically engineered for use in closed-loop hydraulic systems, where it removes

 metallic wear debris and elastomeric seal particles, ensuring consistently clean oil. With robust construction and superior

 filtration performance, the G04284 is the ideal choice for demanding industrial applications across multiple sectors.

Please note: Aite is an independent manufacturer and not an authorized Parker distributor. Our replacement elements are 

engineered to match original dimensions, thread types, sealing interfaces, and filtration efficiency exactly, enabling drop-in 

installation without housing modifications.

2. Key Features and Advantages

Feature Benefit

High dirt-holding capacity Large surface area and optimized media structure retain significant contaminants without excessive 

pressure drop, extending service life.

Large effective filtration area Generous area ensures low flow velocity through media, improving particle capture efficiency 

and reducing saturation risk even under high-flow conditions.

High pressure resistance Excellent structural integrity under high differential pressures (up to 21 MPa), ensuring reliable

 performance in demanding systems.

Extended service life High-quality materials and robust design deliver longer operational lifespan compared to conventional 

elements, reducing replacement frequency and maintenance costs.

Short supply cycle Streamlined production and ample inventory ensure fast delivery—sample orders within 3–7 days, 

bulk orders within 15 working days—minimizing downtime.

Cost-effective alternative 40–60% savings over genuine Parker parts, with equivalent or superior performance validated by ISO

 16889 multi-pass testing.

Complete documentation EN 10204 Type 2.1 material certificates and performance test reports included with every shipment 

for smooth customs clearance.

3. Technical Specifications

Parameter Specification

Model Number G04284 (Parker-compatible replacement)

Filtration Precision 1 ~ 100 μm (multiple ratings available)

Maximum Working Pressure 21 MPa (210 bar)

Working Medium General hydraulic oil, phosphate ester, emulsions, water-glycol

Operating Temperature Range –30°C ~ +110°C

Filter Media High-performance glass fiber (gradient-density)

Beta Ratio βₓ ≥ 200 (ISO 16889)

Structural Strength Ratings 1.0 / 2.0 / 16.0 / 21.0 MPa (selectable)

End Cap Material Galvanized steel or stainless steel (variant-dependent)

Seal Material NBR (standard) or FKM (optional for high-temp/aggressive fluids)

All geometric dimensions—outer diameter, inner bore, height, and thread—are verified with CMM inspection to ensure 100%

 interchangeability with original Parker housings.

4. Application Fields

The G04284 Parker Filter Element is widely used across multiple industries due to its versatility and reliable filtration

 performance:

Industry Specific Applications

Metallurgy Rolling mill hydraulic systems, continuous casting machine hydraulic stations, lubrication devices under 

high-temperature/heavy-load conditions

Petrochemical Separation and recovery in refining and chemical production; purification of process liquids and lubricants

Textile Polyester melt purification during drawing; air compressor protection; compressed gas degreasing/dehydration

Heavy Machinery Construction equipment, mining machinery, injection molding machines, press lines

Power Generation Turbine lubrication, governor hydraulic systems, transformer oil filtration

Marine & Offshore Ship hydraulic systems, steering gear filtration, deck machinery lubrication

Our filters are compatible with mineral hydraulic oils (HL, HM, HV), synthetic esters, phosphate esters, and water-glycol fluids. 

We also offer matched vacuum oil purifiers for full-cycle oil maintenance—from filtration to dehydration and degassing.

5. Selection & Operation Guidelines

5.1 Replacement Indication

Monitor the differential pressure gauge. Replace when DP reaches the alarm value—typically 0.35–0.5 MPa above initial clean 

pressure drop. Under typical industrial conditions, replacement every 6–12 months or after 3,000–5,000 operating hours is

 common, but actual interval depends on contamination ingress and system cleanliness targets.

5.2 Storage Conditions

Store unused elements in original packaging in a cool, dry, dust-free environment. Avoid direct sunlight, extreme temperatures, 

and corrosive chemicals. Recommended storage: <40°C and <80% relative humidity. Use on a first-in, first-out (FIFO) basis.

5.3 Disposal

Used elements may contain hazardous contaminants (heavy metals, oil residues). Follow local environmental 

regulations—drain oil and dispose as industrial hazardous waste or through authorized recycling channels.

Frequently Asked Questions (FAQ)

Q1: What is the recommended replacement interval for the G04284 Parker Filter Element?

A: The interval depends on operating conditions and contamination rates. Monitor the differential pressure gauge—replace 

when DP reaches 0.35–0.5 MPa above initial clean pressure drop. Under typical industrial conditions, replacement every 6–12 

months or after 3,000–5,000 operating hours is common. For high-contamination environments, shorten accordingly.

Q2: Can the G04284 filter element be cleaned and reused?

A: No. This element is designed for single-use only. Cleaning may damage the glass fiber media, reduce filtration efficiency, 

and cause media migration—leading to secondary contamination. Always replace with a new element.

Q3: How do I confirm compatibility with my Parker filter housing?

A: Check the model number on your existing element and compare dimensions (outer diameter, inner diameter, length), 

seal type, and bypass valve setting. Our G04284 follows original Parker specifications for 1:1 interchangeability—no housing 

modifications required. Our technical team can also assist with cross-referencing.

Q4: What is the difference between your G04284 and the original Parker element?

A: Our G04284 is manufactured using equivalent high-quality glass fiber media and premium sealing materials, meeting or

 exceeding Parker's original performance specifications (validated by ISO 16889 multi-pass testing). It offers reliable filtration

 performance at a more competitive price (40–60% savings) with faster delivery times.

Q5: Can this filter element handle high-viscosity fluids?

A: Yes, the G04284 is compatible with various hydraulic fluids, including high-viscosity oils. However, cold starts with

 high-viscosity fluids may generate higher differential pressure. We recommend preheating the oil or selecting a lower initial

 pressure drop design if operating at low temperatures.

Q6: What does the "1–100 μm" filtration precision range mean?

A: The G04284 series is available in multiple absolute ratings from 1 micron to 100 microns. A 10-micron rating means particles

 larger than 10 microns are captured with high efficiency (β₁₀ ≥ 200). Select the rating based on your system's cleanliness

 requirements—finer ratings for servo-valve protection, coarser for general lube circuits.

Q7: Does this filter element have an integrated bypass valve?

A: The bypass valve is typically installed in the filter housing rather than in the element itself. Some G04284 variants include 

an integrated bypass, while others are non-bypass designs. Please verify your system requirements before ordering. Our

 team can assist in selecting the correct configuration.

Q8: Is this filter element suitable for use with phosphate ester hydraulic fluids?

A: Yes. The G04284 is compatible with phosphate ester fluids, provided the correct seal material (FKM) is selected. Please

 specify your working medium when ordering to ensure proper seal compatibility. NBR seals are suitable for standard mineral oils,

 while FKM is required for high-temperature (>100°C) or aggressive fluids.

Q9: What are the consequences of running a system with a clogged filter element?

A: A clogged element causes increased differential pressure, which may open the bypass valve (if equipped), allowing unfiltered

 oil to circulate and accelerate component wear. If no bypass is present, the pressure drop may cause filter collapse or system 

starvation. Regular monitoring and timely replacement are essential to protect critical components.

Q10: Can I use this filter element in a suction line application?

A: The G04284 is generally designed for return line or pressure line applications. For suction line applications, a different filter

 design with lower pressure drop and higher flow capacity is typically required. Please consult our engineering team for specific

 recommendations.

Q11: Can you supply test certificates for export and customs clearance?

A: Yes. Every shipment includes EN 10204 Type 2.1 material certificates, ISO 16889 multi-pass filtration performance test reports,

 and factory inspection documents. Upon request, we can provide Type 3.1 third-party inspection or surveyor reports

 (additional cost applies), meeting EU, ASEAN, Middle Eastern, and South American import requirements.

Q12: Do you keep G04284 elements in stock?

A: Yes. The G04284 is one of our popular Parker replacement models and is always well-stocked. Trial orders (1–10 pcs) ship 

within 3–7 working days; bulk orders (500+ pcs) within 15 working days. Expedited airfreight is available for urgent breakdowns.

Q13: Do you offer elements with different seal materials or micron ratings?

A: Yes. Beyond the standard NBR seal and 10-micron rating, we offer FKM seals for high-temperature/aggressive fluids, 

and absolute ratings of 1, 3, 5, 20, 25, and 100 microns. Custom end-cap designs and branded labeling are also available for

 OEM/distributor orders. Please specify your requirements when ordering.

Q14: Do you provide technical support for installation or troubleshooting?

A: Yes. Our in-house engineers have 15+ years of hydraulic filtration experience. We provide free dimensional drawings,

 installation guides, and remote video troubleshooting. For large projects, on-site commissioning support can be arranged 

(subject to travel conditions).

Conclusion

The G04284 Parker Filter Element is a reliable, high-performance filtration solution that effectively protects hydraulic systems

 by removing metallic wear debris and rubber seal contaminants. With high dirt-holding capacity, large filtration area, 

strong pressure resistance, and long service life, it is an excellent choice for metallurgy, petrochemicals, textiles,

 heavy machinery, and many other industries. Backed by fast delivery, complete documentation, and competitive pricing,

 this replacement element offers outstanding value for maintaining system cleanliness and operational reliability.

For cross-reference charts, technical datasheets, or a customized quotation, please contact our sales engineering team today.

 We keep your hydraulic systems running—reliably, safely, and cost-effectively.

Product Details