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Premium Industrial & Automotive Filters for Global Markets

Greatman Autech Co., Ltd is a trusted ISO9001-certified manufacturer of high-performance air, oil, fuel, cabin, and hydraulic filters for construction, agriculture, trucking, and automotive industries.

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Greatman Autech Factory

About Greatman Autech

Greatman Autech Co., Ltd is a leading manufacturer of high-quality filtration solutions for industrial and automotive applications. We specialize in producing oil filters, air filters (PP, PU, eco-friendly), cabin filters, fuel filters (including in-tank filter assemblies), and hydraulic filters.

Our products are rigorously tested at the Shanghai Internal-Combustion Engine Testing Center and First Automobile of Changchun, meeting the highest international standards. We strictly adhere to ISO/TS16949:2002 and have achieved ISO9001:2000 certification.

With raw materials sourced from the USA and South Korea, our filters deliver superior performance and durability. We export to Europe, North & South America, Australia, Southeast Asia, Africa, and over 50 countries worldwide.

Learn More About Us

Our Filter Products

We manufacture a comprehensive range of filtration solutions for excavators, trucks, tractors, combines, automobiles, and industrial machinery. All products are engineered for maximum efficiency and longevity.

Air Filter

Air Filters

High-efficiency PP, PU, and eco-friendly air filters for engines. Protects against dust, debris, and contaminants. Ideal for automotive, construction, and agricultural machinery.

  • ISO9001 Certified
  • OE Performance Match
  • Global Export Ready
Oil Filter

Oil Filters

Advanced multi-layer filtration media ensures optimal oil cleanliness. Designed to extend engine life and maintain peak performance under extreme conditions.

  • Full Flow & Bypass Options
  • Anti-Drain Back Valve
  • High Burst Strength
Fuel Filter

Fuel Filters

Precision-engineered to remove water, rust, and particulates from fuel systems. Includes in-tank filter assemblies for modern diesel and gasoline engines.

  • Water Separation Technology
  • High Dirt-Holding Capacity
  • Compatible with Biofuels
Cabin Filter

Cabin Filters

Activated carbon and multi-layer media remove dust, pollen, odors, and harmful gases from vehicle cabins. Ensures clean, healthy air for drivers and passengers.

  • Anti-Allergen Protection
  • Odor & VOC Reduction
  • High Airflow Efficiency
Hydraulic Filter

Hydraulic Filters

Critical protection for hydraulic systems in construction and industrial equipment. Prevents wear and extends component life by removing fine contaminants.

  • Suction, Return, Pressure Types
  • High Flow Capacity
  • Dielectric Fluid Compatible

Truck & Bus Filters

Complete filtration systems for heavy-duty trucks and buses. Engineered for long service intervals and harsh operating environments.

  • OEM Replacement Standards
  • High Vibration Resistance
  • Wide Compatibility Range

Tractor & Combine Filters

Dust-resistant air and oil filters for agricultural machinery. Designed for continuous operation in dusty field conditions.

  • High Dust Capacity
  • Corrosion Resistant Housing
  • Easy Maintenance Design

Excavator Filters

Heavy-duty filtration for excavators and construction equipment. Protects hydraulic systems and engines from abrasive contaminants.

  • High Pressure Rating
  • Compact & Durable Design
  • JCB, CAT, Komatsu Compatible

Automotive Filters

Complete range for passenger vehicles including air, oil, fuel, and cabin filters. Meets or exceeds OE specifications for performance and fit.

  • Direct Fit Replacement
  • Quiet Operation
  • Environmentally Friendly Materials

Industrial Filters

Custom filtration solutions for industrial machinery, compressors, generators, and power equipment. Built for reliability and long service life.

  • Custom Sizes Available
  • High Temperature Resistance
  • Bulk Order Capable

Eco-Friendly Filters

Environmentally conscious filtration using biodegradable materials and recyclable components. Reduces environmental impact without sacrificing performance.

  • Sustainable Materials
  • Reduced Carbon Footprint
  • Green Manufacturing Process

OEM & Custom Solutions

We offer private labeling, custom engineering, and OEM replacement programs. Our team develops filters tailored to your specific requirements.

  • Custom Design & Testing
  • Private Labeling Available
  • Global Logistics Support

Why Choose Greatman Autech?

As a trusted filtration partner for over two decades, we combine advanced technology, strict quality control, and global logistics to deliver superior filter solutions.

ISO Certified Quality

We are ISO9001:2000 certified and operate under ISO/TS16949:2002 standards. Every product undergoes rigorous testing at independent facilities.

Global Export Experience

We export to Europe, North & South America, Australia, Southeast Asia, Africa, and over 50 countries. Our logistics team ensures timely delivery worldwide.

Advanced Testing & R&D

Products tested at Shanghai Internal-Combustion Engine Testing Center and First Automobile of Changchun. Continuous R&D for new filter innovations.

Premium Raw Materials

We use high-quality raw materials from the USA and South Korea, ensuring superior filtration efficiency, durability, and performance.

Hard-to-Find Filter Solutions

We specialize in supplying hard-to-find filters for legacy and specialized equipment. Our cross-reference database covers thousands of OEM models.

24/7 Customer Support

Our filtration experts are available around the clock to assist with technical questions, ordering, and custom solutions. Fast response guaranteed.

23+
Years of Experience
1,450+
Successful Clients
27,500+
Regular Orders
98%
Success Rate

What Our Clients Say

★★★★★
"One of The Most Professional Filter Suppliers I’ve Ever Known. Greatman Autech consistently delivers high-quality products on time, even for hard-to-find excavator filters. Their technical support is exceptional."
Mark Wilson
Top Manager, Construction Equipment Co.
★★★★★
"GREATMAN AUTECH is One of The Best filter suppliers in our supply chain. Their oil and hydraulic filters perform as well as OEM at a better price. We've reduced downtime significantly."
Amanda Eberson
CEO, Eberson Co.
★★★★★
"The best combinations for different filters—HYDRAULIC FILTERS, FUEL FILTERS, OIL FILTERS, AIR FILTERS, CABIN FILTERS—all from one reliable source. Greatman Autech has become our primary filtration partner."
Johnny Corner
Parts Purchase Manager, AgriTech Solutions

Frequently Asked Questions

What are hydraulic system filters?

Hydraulic system filters are composed of a network of hoses, valves, and piping used in machinery. They use an incompressible fluid under pressure to transmit power. Filtration is the only defense against wear once contamination is present.

What types of hydraulic filters do you offer?

We offer three main types: Suction Filters (remove large particles from the reservoir), Return Line Filters (clean fluid returning to the tank), and Pressure Filters (protect sensitive components at full system pressure).

Are your filters compatible with OEM brands?

Yes, our extensive cross-reference database ensures compatibility with major OEM brands including Caterpillar, Komatsu, JCB, Volvo, and many others. We provide high-performance alternatives to expensive OEM filters.

What quality certifications do you have?

Greatman Autech Co., Ltd has passed ISO9001:2000 certification and operates under ISO/TS16949:2002 standards. Our products are tested at independent facilities including the Shanghai Internal-Combustion Engine Testing Center.

Can you supply hard-to-find filters?

Yes, we specialize in supplying hard-to-find filters for legacy and specialized equipment. Our team is available 24/7 to assist with any filter request, no matter how challenging.

How do I place an order or request a quote?

You can contact us directly via phone or email for a free consultation. Our sales team will assist with product selection, pricing, and logistics for your region.

Latest News

March 19, 2021

Miscellaneous Filter Order Listing

Updated catalog of available filters for industrial and automotive applications. Includes new models for European and American machinery.

July 22, 2021

Filters for Russian Market

Expanded product line to meet growing demand in the Russian construction and agricultural sectors. New certifications obtained.

January 6, 2019

JCB Filters (2)

Second release of specialized filters for JCB equipment. Improved durability and filtration efficiency for heavy-duty applications.

Get in Touch

Need a filter solution? Request a free consultation with our filtration experts.

Phone

+86 186 7829 8345

Email

Info@Greatman.com.cn

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