Bosch C3853WS Cabin Air Filter

Bosch Cabin Filter for Volkswagen and Audi

Bosch C3853WS is a cabin air filter with activated carbon media for vehicles that need OE-standard HVAC filtration and odor control. It is built for a wide range of Volkswagen and Audi applications, including Volkswagen Beetle, Golf, Jetta, Passat, R32, Cabrio, Golf City, and Audi TT and TT Quattro models.

The Bosch Cabin Filter, Activated Carbon line uses a multi-layer construction with an added carbon layer to capture odor-causing and harmful gases such as ozone, nitrogen oxides, sulfur dioxide, and hydrocarbons. Bosch C3853WS is a direct-fit cabin air filter for drivers looking for cleaner interior air and reduced HVAC odors.

• Activated charcoal filter media for odor reduction
• Five-layer design with an additional carbon layer and protective cover layer
• OE standard part for factory-style HVAC service
• HEPA filter: No
• Recommended replacement interval: 12,000 miles
• Previously cataloged as Bosch C3853

Detailed Product Overview

This Bosch cabin air filter is designed to help maintain cleaner air inside the vehicle by filtering incoming air through activated charcoal media. The carbon layer targets common exhaust-related odors and gases, making it a practical choice for Volkswagen Beetle, Volkswagen Jetta, Volkswagen Passat, Audi TT, and Audi TT Quattro cabin filter replacement service. Bosch C3853WS also cross-references Volkswagen/Audi part number 1J0819644A for the same application.

What This Cabin Filter Helps Address

• Persistent HVAC odors from outside air intake
• Reduced cabin air freshness during city or highway driving
• Dust and airborne debris entering the ventilation system
• Service intervals that call for a Volkswagen or Audi cabin air filter replacement
• Factory-style filtration needs for older VW and Audi platforms

Installation Notes and Tips

Replace the cabin filter at the interval recommended for your vehicle or sooner if airflow drops or odors return. Confirm the vehicle’s chassis breakpoints for select Audi TT and TT Quattro applications, since some model years use chassis-specific fitment notes. Verify the part number Bosch C3853WS against the existing filter or vehicle catalog before installation.

Quality Assurance

Bosch cabin filters are built as OE-standard replacement parts with a multi-layer filtration design. The activated carbon construction and protective layer structure support consistent HVAC service for Volkswagen and Audi cabin air filter maintenance.

• Fits 1998-2010 Volkswagen Beetle, N/A
• Fits 2007-2010 Volkswagen Golf City, N/A
• Fits 2002-2006 Audi TT, N/A
• Fits 2000 Audi TT, N/A
• Fits 2002-2006 Audi TT Quattro, N/A
• Fits 1993-2006 Volkswagen Golf, N/A
• Fits 1993-2005 Volkswagen Jetta, N/A
• Fits 2002-2005 Volkswagen Passat, N/A
• Fits 2004 Volkswagen R32, N/A
• Fits 1995-2002 Volkswagen Cabrio, N/A
• Fits 2001 Audi TT, N/A, To Chassis # 8N-1-014 000
• Fits 2001 Audi TT, N/A, From Chassis # 8N-1-014 001
• Fits 2000-2001 Audi TT Quattro, N/A, To Chassis # 8N-1-014 000
• Fits 2000-2001 Audi TT Quattro, N/A, From Chassis # 8N-1-014 001
• Fits 2001 Volkswagen Passat, N/A, From Chassis # 3B-1-050 000