Bosch C3740WS Cabin Air Filter

Overview of Bosch Cabin Filter C3740WS for Audi and Volkswagen

The Bosch Cabin Filter, Activated Carbon (part number C3740WS) is designed to improve air quality inside your vehicle by filtering out odors and airborne contaminants. This cabin air filter is compatible with select Audi and Volkswagen models, providing OEM-standard filtration performance.

• Activated charcoal filter media for enhanced odor removal
• Compatible with Audi 90, 90 Quattro, A4, A4 Quattro, Cabriolet, S4, and Volkswagen Passat
• OEM standard part ensuring proper fit and function
• Foam automotive material for durability and effective filtration
• Recommended replacement interval of 12,000 miles

Details on Bosch Cabin Filter, Activated Carbon Product Line

The Bosch Cabin Filter, Activated Carbon product line focuses on providing cabin air filters that incorporate activated charcoal media to reduce odors and improve air quality inside the vehicle. This line is engineered to meet OEM standards, ensuring reliable fitment and filtration performance for compatible vehicles. The C3740WS model is part of this line, offering activated carbon pre-filter technology specifically designed for odor removal in Audi and Volkswagen models.

Product Features and Specifications

The Bosch C3740WS cabin air filter uses activated charcoal filter media combined with foam automotive material to trap airborne particles and neutralize odors effectively. Measuring approximately 5.83 inches in width and 0.94 inches in height, this charcoal cabin filter fits precisely in the HVAC system of compatible vehicles. It includes an activated carbon pre-filter layer that targets odor removal, enhancing the comfort of your vehicle's interior environment. This OEM standard part is designed for a single unit replacement and is recommended to be changed every 12,000 miles to maintain optimal air quality.

Common Applications and Benefits

• Reduces unpleasant odors inside the cabin
• Filters out dust, pollen, and airborne contaminants
• Improves HVAC system efficiency by preventing clogging
• Enhances passenger comfort and air quality
• Maintains OEM filtration standards for Audi and Volkswagen vehicles

Installation Notes and Tips

Installing the Bosch C3740WS cabin air filter is straightforward and typically requires no special tools. Ensure the vehicle is turned off and locate the cabin air filter housing, usually behind the glove compartment or under the dashboard. Remove the old filter carefully to avoid releasing trapped dust and debris. Insert the new Bosch activated carbon cabin filter with the correct airflow direction indicated on the filter. Replace the housing cover securely before operating the HVAC system.

Quality Assurance and Warranty

Bosch cabin air filters, including the C3740WS, are manufactured to meet OEM quality standards, ensuring reliable performance and fitment. The activated carbon media and foam materials are selected for durability and effective filtration. While specific warranty details are not provided, Bosch products typically come with manufacturer-backed quality assurance to support customer confidence in product reliability.