Product introduction
With its precise filtration accuracy and excellent oil and corrosion resistance, the Cummins LF9009 filter provides reliable protection for both the engine fuel supply system and crankcase ventilation system, effectively extending the lifespan of core engine components. It is a core component choice for Cummins engine maintenance.
Product Images




Product Parameters
| Parameter category | Detailed Description |
| Part number | LF9009 |
| Compatible engine | Cummins ISX, ISX15, QSX15, X15 series |
| Filtration accuracy | Oil mist separation efficiency ≥99% (particle size ≥1μm) |
| Maximum processing gas flow rate | ≥120 CFM (Standard operating conditions) |
| Operating temperature range | '-40℃ to 135℃ |
| Maximum pressure difference tolerance | ≤15 kPa (at rated flow) |
| Recommended replacement cycle | 150,000 kilometers or 2,000 hours |
| Filter material composition | Polypropylene coalesced layer + activated carbon adsorption layer + reinforced steel frame |
| Interface specification | M22×1.5 threaded interface, in line with the original oil circuit design of Cummins |
Product Advantages
The Cummins LF9009 CCV crankcase filter uses a 10–30μm precision filter medium to effectively intercept tiny oil droplets and solid particles in the oil-air mixture within the crankcase, significantly reducing emissions, protecting the aftertreatment system, and improving engine environmental compliance. As an original equipment manufacturer (OEM) lubricating oil combination filter, the LF9009 integrates full-flow and bypass filtration functions, achieving dual purification of the engine oil. It ensures the cleanliness of the main oil passage while continuously removing fine contaminants, extending the oil's lifespan.




FAQ
Q: 1.How does the Cummins LF9009 CCV filter improve engine environmental performance?
A:The LF9009 uses a 10–30μm precision filter medium to efficiently intercept oil droplets and particulate matter in the crankcase oil vapor, significantly reducing harmful emissions, protecting the aftertreatment system, and ensuring the engine meets stringent global emission standards.
Q: 2.Why is the LF9009 called a "combination filter"?
A:It integrates full-flow and bypass filtration functions, simultaneously purifying the main oil passage and fine contaminants, ensuring a clean lubrication system and extending oil life, achieving dual benefits in one filter.
Q: 3. What are the lifespan and maintenance costs of the LF9009?
A:Its corrosion-resistant metal housing and optimized rib structure resist high temperatures and pressures, delaying filter clogging, extending replacement intervals, and effectively reducing overall vehicle maintenance frequency and operating costs.
Q: 4. Why is the LF9009 more reliable than aftermarket products?
A:Manufactured by Cummins Fleetguard, and validated for hundreds of thousands of hours on bench and road, this filter is designed for heavy-duty and extreme conditions, offering quality and durability far exceeding non-original equipment manufacturer (OEM) alternatives.
Q: 5.What certifications are required for exporting the LF9009 filter to Europe and the United States?
A:The product complies with the ISO 9001 quality management system and OEM technical standards. A Certificate of Origin (COO) and Material Safety Data Sheet (MSDS) are provided with the shipment, meeting the import customs clearance requirements of Europe and the United States.
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