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HOLFIT Filters Logo HOLFIT Filters

Genuine Quality Truck Filters for Heavy-Duty Performance

Premium replacement air, oil, fuel, hydraulic, and PowerCore filters engineered for durability, efficiency, and maximum engine protection.

HOLFIT Filter Product Showcase
Shiyan Holly Auto Parts Factory

About Shiyan Holly Auto Parts

Shiyan Holly Auto Parts Co., Ltd. is a professional supplier established in 2010, located in Shiyan City, Hubei, China — the heart of China's automotive industry. We specialize in the research, development, and production of high-performance filter solutions for heavy-duty trucks and industrial engines.

Our comprehensive product range includes air filters, oil filters, fuel filters, fuel water separators, hydraulic filters, PowerCore filters, and more. Every HOLFIT filter is engineered to meet or exceed OEM specifications, ensuring reliable engine protection and extended service life.

2010
Founded
100+
Global Clients
15+
Years Experience
10M+
Filters Annually

Our Premium Filter Series

Engineered for performance, durability, and maximum engine protection. HOLFIT filters are trusted by fleets and service centers worldwide.

Air Filter Series

Air Filter Series

High-efficiency pleated media captures dust, dirt, and contaminants. Ideal for harsh environments and extended service intervals.

  • • Multi-layer synthetic media
  • • Anti-moisture coating
  • • OE-compatible fit
  • • 99.5% filtration efficiency
Oil Filter Series

Oil Filter Series

Full-flow and bypass designs with high dirt-holding capacity. Protects engines from wear and sludge buildup.

  • • High-strength steel housing
  • • Anti-drain back valve
  • • Crimp-sealed construction
  • • Compatible with synthetic oils
Fuel Filter Series

Fuel Filter Series

Removes water, rust, and particulates from diesel and gasoline. Ensures clean fuel delivery and injector protection.

  • • Micron-rated filtration
  • • Water separation layer
  • • High flow rate design
  • • Corrosion-resistant housing
Fuel Water Separator

Fuel Water Separator

Advanced coalescing technology separates water from fuel. Prevents microbial growth and fuel system damage.

  • • Transparent water bowl
  • • Automatic drain option
  • • High water removal rate
  • • Service indicator
PowerCore Filters

PowerCore Filters

High-efficiency, compact design with vertical pleat technology. Ideal for space-constrained applications.

  • • 30% more media than standard
  • • No gaskets or sealants
  • • Easy installation
  • • Extended service life
Hydraulic Filters

Hydraulic Filters

Protects hydraulic systems from contamination. Ensures smooth operation and reduces downtime.

  • • High beta ratio
  • • Burst-resistant construction
  • • Full-flow design
  • • Compatible with ISO standards
Recyclable Filters

Recyclable Filter Series

Eco-friendly design with recyclable materials. Reduces environmental impact without compromising performance.

  • • 95% recyclable content
  • • Biodegradable media
  • • Low carbon footprint
  • • Sustainable packaging
Disposable Air Housing

Disposable Air Housing

Complete pre-assembled air intake units. Quick replacement saves labor and reduces maintenance time.

  • • Integrated filter and housing
  • • Tool-free installation
  • • Weather-resistant seals
  • • OEM fit and finish

Why Choose HOLFIT Filters?

Superior engineering, rigorous testing, and global compliance ensure unmatched performance and reliability.

OE-Level Quality

Every HOLFIT filter is designed to meet or exceed original equipment manufacturer specifications for fit, form, and function.

Rigorous Testing

Filters undergo multi-stage testing including burst pressure, flow rate, efficiency, and durability under extreme conditions.

Global Compliance

Certified to ISO 9001, ISO/TS 16949, and compliant with international standards including SAE, DIN, and JIS.

Advanced Manufacturing

State-of-the-art production lines with automated assembly and quality control systems ensure consistency and precision.

Heavy-Duty Focus

Specifically engineered for long-haul trucks, mining equipment, construction machinery, and industrial engines.

Technical Support

Dedicated engineering team available for product selection, troubleshooting, and custom filtration solutions.

Trusted by Industry Leaders

Performance you can count on, every mile.

15+
Years in Business
100+
Global Clients
10M+
Filters Produced
50+
Countries Served

Frequently Asked Questions

Get answers to common questions about HOLFIT filters, compatibility, and maintenance.

Are HOLFIT filters compatible with OEM parts?

Yes, all HOLFIT filters are engineered to match OEM dimensions, flow rates, and performance standards. They are direct replacements for brands like Fleetguard, Baldwin, WIX, and Sakura.

How often should I replace my air filter?

Replacement intervals depend on operating conditions. Under normal conditions, every 15,000–25,000 miles. In dusty environments, inspect every 5,000 miles and replace as needed.

Do you offer custom filter solutions?

Yes, our engineering team can develop custom filters for unique applications. Contact us with your specifications for a tailored solution.

What certifications do your products have?

We are ISO 9001 and ISO/TS 16949 certified. Our filters comply with SAE, DIN, JIS, and other international standards.

Can I buy samples before placing a bulk order?

Absolutely. We encourage sample testing. Contact us to request product samples for evaluation.

Get in Touch

Ready to upgrade your fleet’s filtration? Contact us today for product information, pricing, and technical support.

+86-15871106560
No. 71 Renmin South Road, Mao Jian District, Shiyan, Hubei, China

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