Bosch 6031C Cabin Air Filter

Bosch HEPA Cabin Air Filter for VW and Audi

Bosch Cabin Filter, HEPA 6031C is an OEM standard cabin air filter designed to clean the air entering the vehicle through the HVAC system. It helps trap dust, pollen, fumes, and other airborne pollutants while delivering HEPA-level filtration for drivers who want cleaner cabin air in Volkswagen Passat, Jetta, GTI, Tiguan, Beetle, and Audi A3, Q3, and TT applications.

The Bosch HEPA Premium Cabin Air Filter line is built and tested to meet HEPA standards based on ISO 29463-3:2011. With filtration efficiency rated at 99.97% at 0.3 microns, this cabin air filter is engineered for vehicles where fine particulate control matters, especially for allergy-sensitive passengers and daily commuting in urban traffic.

Key Features

• HEPA cabin air filtration for fine dust, pollen, and airborne particulates
• 99.97% filtration efficiency at 0.3 microns based on ISO 29463-3:2011 testing
• Spunbound polyester with synthetic meltblow fibers for filtration performance
• OEM standard part designed for direct replacement service
• Compatible with select Volkswagen and Audi HVAC filter applications
• Recommended replacement interval: 12,000 miles

Detailed Description

Bosch 6031C is a HEPA cabin air filter built for vehicles that use a high-efficiency particulate cabin filter in the HVAC intake path. It is designed to reduce the amount of pollen, dust, fumes, and other pollutants entering the passenger compartment, helping maintain cleaner air inside the vehicle. This part number is a strong match for long-tail searches such as Bosch 6031C cabin air filter for Volkswagen Passat, Bosch HEPA cabin filter for Audi A3, and OEM cabin air filter for VW Jetta and GTI.

Compatible With 2012-2022 Volkswagen Passat, N/A; 2006-2010 Volkswagen Passat, N/A; 2012-2019 Volkswagen Beetle, N/A; 2015-2018 Audi Q3, N/A; 2015-2018 Audi Q3 Quattro, N/A; 2005-2018 Volkswagen Jetta, N/A; 2017-2018 Volkswagen Tiguan Limited, N/A; 2009-2017 Volkswagen CC, N/A; 2009-2017 Volkswagen Tiguan, N/A; 2007-2016 Volkswagen Eos, N/A; 2008-2015 Audi TT Quattro, N/A; 2009-2015 Audi TTS Quattro, N/A; 2010-2014 Volkswagen Golf, N/A; 2006-2014 Volkswagen GTI, N/A; 2006-2013 Audi A3, N/A; 2006-2013 Audi A3 Quattro, N/A; 2012-2013 Audi TT RS Quattro, N/A; 2012-2013 Volkswagen Golf R, N/A; 2009-2010 Volkswagen Passat CC, N/A; 2008-2009 Audi TT, N/A; 2007-2009 Volkswagen Jetta City, N/A; 2008 Volkswagen R32, N/A.

This part cross-references no listed alternate part numbers in the provided data.

What It Helps Address

• Cabin air contamination from road dust and airborne debris
• Pollen intrusion that can affect allergy-sensitive occupants
• Fumes and general outside-air pollutants entering through the HVAC system
• Reduced cabin air quality during stop-and-go driving or urban commuting
• Routine maintenance needs at the recommended 12,000-mile interval

Installation Notes and Tips

Replace the cabin filter according to the vehicle service schedule or sooner if airflow drops or the cabin air becomes stale. Verify the vehicle uses a HEPA-style cabin filter application before ordering Bosch 6031C, and match the filter to the HVAC filter location specified for the exact Volkswagen or Audi model. For fitment searches, this part is commonly referenced for Bosch 6031C Volkswagen Passat cabin filter and Bosch 6031C Audi Q3 cabin air filter applications.

Quality Assurance

Bosch designs this Cabin Filter, HEPA line to meet HEPA performance standards based on ISO 29463-3:2011 testing. The filter media uses spunbound polyester with synthetic meltblow fibers, and the part is listed as an OEM standard replacement for the specified Volkswagen and Audi applications.