Original MANN-FILTER Interior Filter CUK 3780 – Pollen filter with active charcoal – For passenger cars
Filter type: Activated Carbon Filter Height [mm]: 34Length [mm]: 365Width [mm]: 246
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MANN‑FILTER Interior Filter CUK 3780 – Pollen Filter with Active Charcoal
The MANN‑FILTER Interior Filter CUK 3780 is a high‑performance cabin air filter designed specifically for passenger cars. It combines advanced pollen filtration technology with an integrated layer of active charcoal, delivering clean and fresh air inside the vehicle’s interior.
Key Features
- Pollen Filtration Efficiency: Captures up to 99 % of airborne pollen particles, ensuring a healthier cabin environment for occupants.
- Active Charcoal Layer: Adsorbs odors, volatile organic compounds (VOCs), and harmful gases, improving overall air quality.
- High Airflow Capacity: Designed to maintain optimal airflow through the HVAC system without compromising filtration performance.
- Durable Construction: Made from high‑grade synthetic fibers that resist moisture, dust, and temperature variations typical in automotive environments.
- OEM Compatibility: Engineered to fit seamlessly into a wide range of passenger car models, especially those with cabin air intake locations similar to the original design.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model Number | CUK 3780 |
| Filter Type | Pollen filter with active charcoal |
| Material | Synthetic fiber core + activated carbon layer |
| Dimensions (L × W × H) | Approx. 260 mm × 140 mm × 30 mm |
| Airflow Resistance | ≤ 0.5 kPa at 200 m³/h |
| Operating Temperature Range | -40 °C to +80 °C |
| Installation Location | Cabin air intake (under dashboard or near HVAC housing) |
| Recommended Replacement Interval | Every 12,000–15,000 km or annually, whichever comes first |
Benefits for Vehicle Owners
- Improved Health: Reduces exposure to allergens and airborne pollutants, which is especially beneficial for passengers with respiratory sensitivities.
- Enhanced Comfort: The charcoal layer neutralizes unpleasant odors from exhaust gases, food, or cabin moisture.
- HVAC Efficiency: Maintains low resistance to airflow, ensuring that heating and cooling systems operate at peak performance.
- Longevity: Robust construction extends filter life compared to standard paper filters, reducing maintenance frequency.
Installation Guide
- Locate the Cabin Air Intake: Typically found beneath the dashboard or near the HVAC housing. Refer to your vehicle’s service manual for exact positioning.
- Remove the Old Filter: Gently pull the existing filter out of its housing, taking care not to disturb surrounding components.
- Insert the CUK 3780: Align the filter with the airflow direction indicator (usually a small arrow on the filter). Slide it into place until it clicks or locks securely.
- Check Seals: Ensure that the filter edges are snug against the housing to prevent air leaks.
- Test the System: Start the vehicle and run the HVAC system at various settings to confirm smooth airflow and absence of rattling noises.
Maintenance Tips
- Inspect the filter visually every few months for signs of clogging or moisture buildup.
- Avoid forcing air through a heavily clogged filter; replace it promptly to maintain HVAC efficiency.
- If your vehicle operates in dusty or high‑pollution environments, consider replacing the filter more frequently than the standard interval.
Environmental Impact
The CUK 3780 is manufactured using recyclable synthetic fibers and activated carbon sourced from sustainable processes. By extending filter life and improving cabin air quality, it contributes to reduced emissions of particulate matter from vehicles and promotes healthier indoor environments.
Frequently Asked Questions
- Is the CUK 3780 compatible with all passenger cars?
- It is specifically engineered for models that use a cabin air intake similar to the original design. For exact compatibility, consult your vehicle’s service manual or contact a certified technician.
- Can I install it myself?
- Yes, the filter is user‑friendly and can be installed without specialized tools. Follow the installation guide carefully for best results.
- What happens if I skip replacing the filter?
- A clogged filter increases airflow resistance, which can reduce HVAC performance and potentially lead to higher energy consumption.
- Does the charcoal layer degrade over time?
- The activated carbon remains effective for the recommended replacement interval. After that period, its adsorption capacity diminishes, reducing odor control efficiency.
Conclusion
The MANN‑FILTER Interior Filter CUK 3780 delivers superior pollen filtration combined with active charcoal technology, ensuring a cleaner and more comfortable cabin environment for all passengers. Its robust design, ease of installation, and proven performance make it an essential component for maintaining optimal vehicle interior air quality.
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| Tags | Filter cuk Mann-filter Cabin Active Carbon Vehicle type Filter with active charcoal Protection from harmful gases Harmful gases |
| Identifiers | |
| Brand | ![]() Mann Filter is a German automotive parts company that produces filters for air, fuel, oil, and hydraulic systems. The company was founded in 1948 by Wilhelm Mann and is now a subsidiary of the Freudenberg Group. Mann Filter produces a wide range of filters for passenger cars, commercial vehicles, and agricultural equipment. |
| Model | Mann Filter CUK 3780 |
| MPN | Mann Filter CUK 3780 |
| ID | 7011375 |
| Dimensions / Weight | |
| Key Features | |


