Lubricating Oil Filter
MH: Professional Lubricating Oil Filter Supplier
XAC MH MACHINING CO., LTD. , established in 1955, is a leading backbone enterprise within China's aerospace industry. The company has successfully developed China's first aviation gyroscopic instrument, its first missile autopilot system, its first aviation attitude and navigation system, and its first aviation flight director system. OEM ultra-precision machining for Medical, Energy, Space, Defense, Semiconductor, Oil & Gas etc.
Why Choose Us
Advanced Equipment
We are equipped with hundreds of world-leading manufacture and testing equipment from Germany, Switzerland, the United States, and Japan, like six-axis, five-axis, and four-axis CNC machines, sets of Zeiss CMM, high-precision testing benches etc.
ODM/OEM Services
From refractory metal materials to precision functional components and radar system products, we accept ODM/OEM orders. We provide a one-stop service from design to processing to surface treatment.
Quality Certifications
MH is certified by international standards including AS9100, ISO14001, and ISO45001, and possesses a CNAS-accredited laboratory and a comprehensive quality control system.
Global Market
Our products are exported to countries and regions including Europe, the United States, Russia, and Japan. Our products enjoy an excellent reputation among our customers.
Types of Lubricating Oil Filter
The Lubricating Oil Filter Produced by Our Company Mainly Include the Following Types:
20μm Lubricating Oil Filter
With a 20 μm filtration precision and reliable performance under various pressure and temperature conditions, this filter ensures the efficient operation of machinery by preventing contaminants from damaging vital components.
25μm Lubricating Oil Filter
With 25 μm filtration precision, this filter guarantees clean oil flow, maintaining the integrity and performance of sensitive machinery and components across a wide range of pressures and temperatures.
15μm Lubricating Oil Filter
With 15 μm filtration precision and reliable performance under varying temperatures and pressures, this filter ensures the longevity and efficiency of your machinery and equipment.
40μm Lubricating Oil Filter
With 40 μm filtration precision and a 1.4 MPa working pressure, this filter is ideal for protecting critical components in machinery and equipment, ensuring optimal performance and long-term reliability.
4050 Aviation Lubricating Oil Filter
4050 aviation lubricating oil filter is designed specifically for 4050 aviation lubricating oil, ensuring precise filtration and protection in aviation and aerospace systems.
Technical Parameters
|
Working Medium |
4050 Aviation Lubricating Oil |
|
Operating Temperature |
0℃ to +150℃ |
|
Operating Pressure |
(0.1 – 1) MPa |
|
Filtration Precision |
40 μm |
|
Flow Pressure Drop |
≤ 0.03 MPa at 5 L/min flow rate under (60 ± 5)℃ conditions |
|
Pressure Differential Alarm Setpoint |
(150 ± 15) kPa |
|
Bypass Valve Opening Pressure |
(200 ± 20) kPa |
|
Weight |
≤ 0.8 kg |
Advantages of Lubricating Oil Filter

Enhanced Fuel Efficiency
Lubricating oil filters play a key role in this aspect by ensuring that the engine operates smoothly without unnecessary friction and resistance. A well-maintained filter allows the engine to function at its best, leading to improved fuel efficiency and better mileage for your vehicle.

Improved Engine Efficiency
Lubricating oil filters remove impurities like dirt, metal debris, and sludge from the oil to ensure clean lubrication to engine parts. Clean oil reduces friction between moving parts and can improve operational efficiency by as much as 12%.

Extended Life of the Equipment
Lubricating oil filters keep abrasive particles from circulating in the lubrication system, reducing wear on important components (bearings, pistons, crankshafts). Proper filtration has been shown to extend engine life by 20–30%.

Protecting Against Engine Damage
The lubricating oil filter intercepts contaminants before they can erode critical components, thereby establishing a robust line of defense that effectively prevents damage to the engine.
Key Differences Between Fuel Oil and Lubricating Oil Filter
Fuel oil filters are designed to remove impurities and contaminants from fuel oil before it enters the engine, helping to ensure clean and efficient combustion. Lube oil filters, on the other hand, are responsible for removing contaminants from the engine’s lubricating oil to protect the engine’s internal parts.
Both filters play crucial roles in maintaining engine performance and longevity. While fuel oil filters focus on purifying the fuel before combustion, lube oil filters are dedicated to keeping the engine’s internal components clean and well-lubricated. Understanding the differences between these filters is essential for optimizing engine performance and ensuring the longevity of your equipment.

Application of Lubricating Oil Filter
Automotive Industry
Lubricating oil filters are crucial for all types of vehicles. They remove contaminants from the engine oil, such as metal particles, dirt, and combustion residues.
Aviation Industry
Lubricating oil filters in aviation engines prevent abrasive particles from circulating in the lubrication system, protecting critical components such as turbines, compressors, and bearings.
Marine Industry
These filters remove salt, water, soot, and metal debris from oil, which is crucial for engines operating in harsh maritime environments. Proper filtration prevents engine corrosion, improves fuel efficiency, and reduces maintenance frequency.
Power Generation Industry
In power plants, lubricating oil filters are responsible for maintaining the cleanliness of the oil used in steam turbines, generators, and compressors. By filtering out contaminants and minute particles, they prevent equipment failure and reduce downtime.

Installation Best Practices
Your install should begin with a cool engine. Prevent debris ingress by cleaning the filter housing and the mating surface. By placing a thin layer of clean oil on the filter gasket, you can improve a proper seal.
Hand-tighten the filter until its gasket makes contact with the filter-housing face, then give it a quarter turn more with the aid of a filter wrench. Do not overtighten, as this may destroy the gasket or the housing. For critical systems, always refer to the manufacturer’s torque specs.
Best Practices of Maintenance
Check filters for physical damage or leaks during oil changes. Use gauges to check for pressure differentials across the filter; a substantial difference might suggest clogging. If bypass valves do not open or close properly, replace them.
Indicators That a Filter Requires Replacement
Loss of oil pressure on the dash or erratic gauge readings indicate that oil is not flowing properly. If there are dents, cracks, or oil pooling around the oil filter housing, then you need to get this fixed right away.
Any unusual sounds from the engine, like knocking or ticking, could suggest poorly lubricated internals due to a failing filter. A dark, sludgy oil on the filter surface or similar in discharge samples also indicates a need for replacement.
Customization Process
Communicate Needs
You can contact us via email at info@xacmfg.com to share your specific requirements, such as filtration grade, dimensions, or materials. This allows us to prepare an accurate quotation tailored to your needs.
Develop Solutions
Based on your requirements, we will create a customized solution and provide detailed design drawings along with a clear implementation plan.
Contract Confirmation
We will review the design plans and contract details together to ensure mutual understanding and agreement. This step guarantees clarity for both parties.
Manufacturing & Delivery
Once confirmed, we begin manufacturing and closely monitor progress to ensure timely production and delivery. This helps us maintain efficiency and meet deadlines.
Final Acceptance
We conduct a final acceptance inspection with you to confirm that the delivered products meet your quality standards and all technical specifications.
Ongoing Support
After delivery, we provide maintenance and technical support to ensure long-term reliability. This ensures your products consistently perform at their best.
Shipping and Delivery

Our Certifications
Our manufacturing and quality systems meet strict aerospace standards




FAQ
As one of the most professional lubricating oil filter manufacturers and suppliers in China, we're featured by quality products and good price. Please rest assured to wholesale high quality lubricating oil filter made in China here from our factory.
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