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Premium Filtration Solutions for Heavy Machinery

Guangzhou Komai Filter Co., Ltd. – Trusted manufacturer of high-performance diesel fuel filters, cabin air filters, hydraulic oil filters, and excavator-specific filtration systems. Engineered for Komatsu, Kobelco, Hitachi, Liebherr, JCB, and more.

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About Komai Filter

Guangzhou KOMAI(KEFEI) Filters Co., LTD. (Hong Kong Huagong Group) is a professional manufacturer, dealer, and exporter located in Guangzhou, China. With convenient transportation and a beautiful environment, we specialize in the design, development, and production of auto spare parts.

We operate our own factory and brand — Komai — and utilize the most advanced technology in filtration manufacturing. Our main products include air filters, hydraulic filters, fuel filters, oil filters, water filters, fuel/water separators, filter cups, heads, and more.

Own Factory

Advanced production lines and strict process control

ISO Certified

ISO9001:2008, RoHS, and full quality assurance

Komai Hydraulic Filter

Our Advantages

Why global partners choose Komai Filter for their heavy-duty filtration needs.

High Quality

Strict quality control system, professional test lab, Trust Seal, and RoHS compliance ensure every filter meets international standards.

Advanced Manufacturing

Equipped with automatic machines and advanced workshops for precision engineering and consistent output.

Custom Development

Internal design team ready to collaborate on OEM/ODM projects and develop filters tailored to your specifications.

100% Service

Flexible packaging, global shipping (FOB, CIF, DDU, DDP), and responsive support for all your business needs.

Our Products

Explore our wide range of high-efficiency filters designed for excavators, loaders, generators, and heavy machinery.

Hydraulic Suction Filter

Hydraulic Suction Filter HF35551

For Kobelco SK430, Hitachi EX1800, and other models. High-flow design with durable construction.

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Hydraulic Oil Filter

Hydraulic Oil Filter PLFX-30x10

Compatible with SDLG LG936L, LG938L. 4120001954001 specification, pilot-type design.

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Hydraulic Suction Oil Filter

Hydraulic Suction Oil Filter SH60127

For Kato and Hitachi excavators. H2714, 4125320 specification. High dirt-holding capacity.

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Pilot Hydraulic Oil Filter

Pilot Hydraulic Oil Filter HF6867

For Liebherr PR734L track bolt dozer. Model PT895, MPG, 10037619, 700869103.

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Cabin Air Filter

Cabin Air Filter PA5738

For loaders: 3036658, 2318130. High-efficiency particulate filtration for operator safety.

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Komatsu WA380-6 Filter

Komatsu WA380-6 Dozer Filter

Original-spec replacement for Komatsu WA380-6. Durable construction and high flow rate.

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KOMAI FF5488 Fuel Filter

99.9% filtration accuracy for forklifts and excavators. Spin-on design, long service life.

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KOMAI LF9080 Engine Oil Filter

Replacement for P179353, 4906633, 2882674. High-capacity media for extended engine protection.

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Fuel Water Separator F-R90P

White diesel fuel pump filter. 10-30 micron filtration. Models: 3825133, 8159975.

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Kobelco SK3030 Fuel Filter

KOMAI 11E1-70240, CX-6461. For diesel excavator engines. High-efficiency separation.

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Liebherr A900C Diesel Fuel Filter

Model FF5856, P559125, BF46085. High-efficiency filtration for heavy-duty excavators.

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Hitachi Excavator Hydraulic Filter

Specialized suction and return line filters for Hitachi EX series excavators.

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Why Choose Komai Filters?

Superior Filtration

Advanced filter media with 99.9% efficiency captures fine particles, water, and contaminants.

Extended Engine Life

Clean oil and fuel mean reduced wear, lower maintenance costs, and longer equipment life.

Global Compatibility

Designed for Komatsu, Kobelco, Hitachi, Liebherr, JCB, SDLG, and other major brands.

OEM/ODM Support

Custom development and private labeling available for distributors and equipment manufacturers.

Fast Global Shipping

FOB, CIF, DDU, and DDP options available. Reliable logistics to over 80 countries.

Certified Quality

ISO9001:2008, RoHS compliant, and tested in professional laboratory conditions.

Trusted by Global Partners

15+
Years in Industry
80+
Countries Served
500+
Product Models
10M+
Units Shipped

Frequently Asked Questions

Are Komai filters OEM replacements?

Yes, all Komai filters are engineered to meet or exceed original equipment manufacturer (OEM) specifications for fit, form, and function.

Do you offer custom filter development?

Yes, we have an internal design team and advanced machinery workshop to support OEM/ODM projects and custom filtration solutions.

What certifications do you hold?

We are ISO9001:2008 certified, RoHS compliant, and undergo regular supplier capability assessments.

How can I request a quote?

Visit komaifilter.com to submit your requirements and receive a competitive quote.

What shipping terms do you offer?

We support FOB, CIF, DDU, and DDP shipping terms to ensure flexible and reliable delivery worldwide.

Get in Touch

Contact us for bulk orders, custom solutions, or technical support.

Contact Person: Ms. Yvonne Hsu

Email: komai@komaifilter.com

Phone: +86-18024028383

For fastest response, please visit our official website to submit your inquiry.

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