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WU-400X100F-J Replace Leemin Oil Filter

Product type
Replace Hydraulic Oil Filter Element
Part number
WU-400X100F-J
Filter layer
Fiberglass/Stainless steel
End caps
Carbon steel
Filtration rate
1~100 μm
Working temperature
-30~+110℃
Origin
Henan,China
Package
Neutral carton package
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Products Description
Specification
Features

Products Description

Maintain the reliability and efficiency of your critical equipment with the WU-400X100F-J Replacement Oil Filter. This precision-engineered cartridge serves as a direct, high-performance substitute for the original WU-400X100F-J Leemin filter element, designed to deliver superior contaminant control and seamless integration into your existing housing. It provides robust protection for hydraulic, lubrication, or turbine oil systems, ensuring optimal cleanliness to safeguard sensitive components and extend machinery service life.

This high-capacity replacement element utilizes advanced depth filtration media to effectively capture and retain fine particulate, wear metals, and oxidative sludge. By maintaining stringent oil cleanliness standards, it directly contributes to enhanced system performance, reduced maintenance frequency, and minimized risk of unscheduled downtime.

Specifications

Below is the specification of the replace leemin oil filter WU-400X100F-J. If you have need of this filter, please contact us for the quotation.

Type Replace Hydraulic Oil Filter Element
Part number WU-400X100F-J
Filter layer Fiberglass
Working pressure 21~210 bar
Filtration rate 1~100μm
Working temperature -30~+110℃
Package Neutral carton package

Features

Guaranteed Direct Fit: Precisely engineered to match the specifications of the original Leemin WU-400X100F-J filter, ensuring perfect compatibility and uninterrupted system operation.
High-Efficiency Depth Filtration: Features a large surface area of pleated media designed for excellent particle capture and high dirt-holding capacity, extending service intervals and protecting components like pumps, valves, and bearings.
Robust Construction for Industrial Use: Built with durable materials capable of withstanding typical system pressures and fluid compatibilities, ensuring long-lasting performance.
Optimized Flow Characteristics: Designed to provide effective filtration with minimal pressure drop, helping to maintain overall system efficiency and energy performance.
Didn't find your industry solution? Consult our technical experts immediately.

Optional Part Number

There are part of the models we can provide. If you have other need, please contact us for more details.

FAX-40×1 FAX-40×3 FAX-40×5 FAX-40×10 FAX-40×20 FAX-40×30 FAX-63×1 FAX-63×3
FAX-63×5 FAX-63×10 FAX-63×20 FAX-63×30 FAX-100×1 FAX-100×3 FAX-100×5 FAX-100×10
FAX-100×20 FAX-100×30 FAX-160×1 FAX-160×3 FAX-160×5 FAX-160×10 FAX-160×20 FAX-160×30
FAX-250×1 FAX-250×3 FAX-250×5 FAX-250×10 FAX-250×20 FAX-250×30 FAX-400×1 FAX-400×3
FAX-400×5 FAX-400×10 FAX-400×20 FAX-400×30 FAX-630×1 FAX-630×3 FAX-630×5 FAX-630×10
FAX-630×20 FAX-630×30 FAX-800×1 FAX-800×3 FAX-800×5 FAX-800×10 FAX-800×20 FAX-800×30
FAX-1000×1 FAX-1000×3 FAX-1000×5 FAX-1000×10 FAX-1000×20 FAX-1000×30 SFBX-25×1 SFBX-25×3
SFBX-25×5 SFBX-25×10 SFBX-25×20 SFBX-25×30 SFBX-40×1 SFBX-40×3 SFBX-40×5 SFBX-40×10
SFBX-40×20 SFBX-40×30 SFBX-63×1 SFBX-63×3 SFBX-63×5 SFBX-63×10 SFBX-63×20 SFBX-63×30
SFBX-100×10 SFBX-100×1 SFBX-100×3 SFBX-100×5 SFBX-100×20 SFBX-100×30 SFBX-160×1 SFBX-160×3
SFBX-160×5 SFBX-160×10 SFBX-160×20 SFBX-160×30 SFBX-250×1 SFBX-250×3 SFBX-250×5 SFBX-250×10
SFBX-250×20 SFBX-250×30 SFBX-400×1 SFBX-400×3 SFBX-400×5 SFBX-400×10 SFBX-400×20 SFBX-400×30
SFBX-630×1 SFBX-630×3 SFBX-630×5 SFBX-630×10 SFBX-630×20 SFBX-630×30 SFBX-800×1 SFBX-800×3

Manufacturer of replace oil filter

Huahang Filter employs rigorous engineering standards to ensure every replacement part matches the original in form, fit, and function. The WU-400X100F-J element is produced under strict quality protocols, guaranteeing flawless compatibility with Leemin housings and consistent, dependable filtration performance.

Core Strengths of Huahang’s Manufacturing

  • Precision Dimensional Accuracy: Every critical specification—including outer diameter, length, gasket profile, and threading—is meticulously replicated to ensure a perfect, leak-free seal and hassle-free installation.
  • Verified Media Performance: We utilize high-grade filtration media engineered to meet or exceed the original part’s efficiency in contaminant capture and holding capacity, ensuring your system receives the protection it requires.
  • Durability and Structural Integrity: The element is constructed with a robust inner core and securely bonded end caps to withstand system pressure fluctuations, preventing media migration and ensuring reliable operation throughout its service life.
  • Value-Driven Reliability: As a focused manufacturer, Huahang delivers OEM-level quality and protection without the premium cost, providing excellent lifecycle value and supporting cost-effective maintenance strategies.

Related Products

Related Cases

Xinxiang City Huahang Filter Co., Ltd is professional in the production of Hydraulic Filter, Air Filter and Pipe Filter.Product series range from Oil Filter, Air Filter, Water Filter, Polymer Filter,Candle Filter Element, Stainless Steel Filter to filter Coalescer and Separator.

FAQ

What is the difference between a standard filter and a custom filter?

Standard filters are mass-produced in fixed sizes and specifications, while custom filters are designed to match specific equipment dimensions, operating conditions, and filtration requirements. Custom filters improve sealing, efficiency, and service life.

How do I select the right filter for my application?

Filter selection depends on fluid or air type, particle size, flow rate, pressure, temperature, and compatibility with the system. Providing operating data helps ensure optimal filtration performance.

Will your replacement filter cartridges damage my equipment? Is the quality guaranteed?

Absolutely not. Our replacement filter cartridges strictly adhere to OEM dimensions, interfaces, and performance standards, using equivalent or superior filter materials, and have passed rigorous ISO testing and end-user validation. We provide a quality guarantee to ensure the safe operation of your equipment.

We don't have a specific model number, only operating condition requirements. Can you help us select a suitable model?

Yes, but you need to provide:

① the filtering medium (oil, gas, water, chemical liquid?);

② flow rate, pressure, and temperature;

③ required filtration accuracy;

④ connection type.

Our technical team will recommend the most economical solution for you.

How can I ensure that this filter element can be adapted to my device/system?

We have multiple ways to ensure compatibility:


Provide original filter element information: Please provide the brand, model, clear photos or detailed dimension drawings of your existing filter element (especially the interface type and size, length, outer diameter, inner diameter).


Provide equipment information: Tell us your equipment brand, model or application scenario, etc.


Contact us: Our technical team has rich experience and can quickly determine or design a fully compatible replacement filter element based on the information you provide. It is recommended that you contact us directly to obtain the most accurate adaptation plan.

How do you ensure the quality and performance of the filter element?

Quality is our lifeline. We insist on:


Strict material selection: Use high-quality raw materials that meet industry standards.


Advanced technology: Use automated or precision-controlled production processes.


Multiple quality inspections: Implement full-process quality inspections from raw material storage to finished product delivery (including size, sealing, filtration efficiency, integrity testing, etc.).


Performance testing: Key products will undergo actual working condition simulation testing.


Compliance with standards: Our production and products comply with [e.g.: ISO 9001].


Customized verification: For customized filter elements, we will confirm key performance indicators with customers and provide test reports (if necessary).

What is a dust collector filter used for?

Dust collector filters remove airborne dust and particulate matter from industrial processes such as welding, grinding, woodworking, and powder handling to protect equipment and improve air quality.

How often should dust collector filter cartridges be replaced?

Replacement depends on dust load, operating hours, and cleaning efficiency. A consistent increase in pressure drop is a common indicator that the filter needs replacement.

Can dust collector filters be cleaned and reused?

Many cartridge filters are designed for pulse-jet cleaning, but they are not permanently reusable. Over time, media fatigue reduces performance and replacement becomes necessary.

What micron rating is best for hydraulic oil filtration?

Common hydraulic filters range from 3 to 25 microns. The optimal rating depends on system sensitivity and manufacturer specifications.

What happens if a hydraulic oil filter is not replaced on time?

Delayed replacement can cause pressure loss, valve sticking, pump wear, and reduced system efficiency, leading to costly downtime.

Where are precision filters commonly used?

Precision filters are widely used in electronics manufacturing, pharmaceuticals, food processing, chemical processing, and high-purity fluid systems.

How does precision filtration affect system performance?

Precision filtration improves product quality, extends equipment life, and reduces unplanned downtime caused by contamination.

What is the difference between a coalescer filter and a separator filter?

They are two distinct technologies often used together to remove liquids from a gas or liquid stream. The key difference is their core function:

A Coalescer Filter merges tiny, invisible liquid droplets into large, heavy ones.

A Separator Filter catches and drains those large droplets from the flow.

How They Work:

Coalescer: The stream passes through a special media (like fine fibers). Microscopic aerosol droplets collide and merge (coalesce) into drops large enough to drain. It solves the problem of suspended mist.

Separator: The flow then enters a chamber with baffles or vanes. The now-large droplets hit the surfaces, fall out by gravity, and collect in a sump. It provides the final, clean separation.

Are stainless steel filter elements washable?

Yes, most stainless steel filter elements can be cleaned using backflushing, ultrasonic cleaning, or chemical cleaning methods.
373-5471699
info@huahangfilter.com
+86 13781947634



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