Original MANN-FILTER Interior Filter CU 21 004 – For passenger cars

Original MANN‑FILTER Interior Filter CU 21 004 – For Passenger Cars

The MANN‑FILTER CU 21 004 is a premium cabin air filter designed to deliver clean, healthy air inside the vehicle’s interior. Engineered with advanced filtration technology, it captures dust, pollen, smoke, and other airborne contaminants, ensuring that every breath taken within the passenger compartment remains fresh and free from irritants.

Key Features

• High‑Efficiency Filtration: Utilises a multi‑layer media system that traps particles as small as 0.3 microns, providing superior protection against allergens and pollutants.
• Odour Control: Integrated activated carbon layer neutralises odours from cooking, pets, and environmental sources, maintaining an aromatic cabin environment.
• Durable Construction: Made with reinforced housing to resist moisture and mechanical stress, extending the filter’s service life.
• Easy Installation: Designed for quick replacement without special tools; fits standard passenger car models that accept the CU 21 004 size.

Compatibility Overview

The CU 21 004 filter is specifically tailored for a wide range of passenger cars, with proven fitment in popular models such as the Suzuki SX4. Whether you own an E‑Yard (EY), G‑Y (GY), or any variant equipped with 1.5L, 1.6L, or 2.0L engines, this filter aligns perfectly with the cabin air intake system.

Common vehicle series that support the CU 21 004 include:

• Suzuki SX4 – Hatchback and Sedan variants
• Various engine configurations: 1.5 L VVT, 1.6 L VVT, 1.9 L DDiS, 2.0 L DDiS
• Both front‑wheel and all‑wheel drive models (4×4)

Installation Guide

1. Locate the Cabin Air Filter Compartment: Typically found behind the glove box or under the dashboard on the passenger side.
2. Open the Cover: Release any clips or screws securing the filter housing.
3. Remove the Old Filter: Gently pull out the worn filter, noting its orientation for correct placement of the new unit.
4. Insert the CU 21 004: Align the airflow arrows on the filter with the vehicle’s airflow direction and slide it into place until fully seated.
5. Secure the Housing: Replace the cover, ensuring all fasteners are tightened to prevent leaks.

Performance Benefits

By maintaining optimal cabin air quality, the CU 21 004 filter contributes to a healthier driving experience. Its high‑efficiency media reduces the load on the vehicle’s HVAC system, allowing for more consistent temperature control and quieter operation.

• Improved Air Quality: Filters out allergens that can trigger respiratory issues.
• Enhanced Comfort: Keeps interior air free from unpleasant smells.
• Reduced HVAC Wear: Less particulate matter reaches the blower motor, extending its lifespan.

Maintenance Tips

• Check the filter every 12–15 months or after extensive driving in dusty environments.
• A visibly clogged filter indicates it’s time for replacement; a clean filter should feel smooth to touch.
• Store spare filters in a dry, cool place to preserve their integrity until needed.

Why Choose MANN‑FILTER?

MANN‑FILTER is renowned for its commitment to quality and innovation. The CU 21 004 exemplifies this dedication through:

• Rigorous testing against international standards.
• Use of premium materials that resist degradation over time.
• A reputation for compatibility across a broad spectrum of vehicle makes and models.

Conclusion

The MANN‑FILTER CU 21 004 Interior Filter stands out as an essential component for any passenger car owner seeking to preserve cabin air purity. Its blend of high‑efficiency filtration, durable construction, and straightforward installation makes it a reliable choice for maintaining a comfortable and healthy driving environment.