Bosch 6003C Cabin Air Filter

Bosch HEPA Cabin Air Filter for Honda and Acura

Bosch Cabin Filter, HEPA 6003C is a cabin air filter built for vehicles that need cleaner air through the HVAC system. It is designed to capture dust, pollen, fumes, and other airborne pollutants before they enter the passenger compartment, with HEPA-level filtration based on ISO 29463-3:2011 testing.

Compatible With 2001-2005 Honda Civic, 2002-2006 Honda CR-V, 2003-2011 Honda Element, 2001-2005 Acura EL, 2002-2006 Acura RSX, and 2006 Acura CSX. Bosch 6003C is a direct-fit cabin air filter solution for drivers looking for OE-standard filtration performance.

Key Features

• HEPA cabin air filter design with 99.97% filtration efficiency at 0.3 microns
• Spunbound polyester and synthetic meltblown fiber media
• Built to help trap allergens, dust, and fine particulates entering the HVAC system
• OE standard part for factory-style fitment
• Designed for vehicles that use a high-efficiency particulate cabin filter
• Recommended replacement interval: 12,000 miles

Product Details

The Bosch Cabin Filter, HEPA line focuses on high-efficiency passenger compartment air filtration. Part number 6003C uses a HEPA filter construction to reduce airborne contaminants drawn in through heating, ventilation, and air conditioning operation. For Honda Civic, Honda CR-V, Honda Element, Acura RSX, Acura EL, and Acura CSX applications, this filter supports cleaner cabin air by targeting common irritants such as pollen and road dust.

This part cross-references no listed interchange numbers for the same application.

What It Helps Address

• Dust entering the cabin through the HVAC intake
• Pollen exposure during seasonal driving
• Fumes and airborne pollutants pulled into the passenger area
• Reduced cabin air quality from a loaded or aging filter
• Fine particulate buildup in the ventilation system

Installation Notes

Replace the cabin air filter according to the vehicle service schedule or when airflow and air quality begin to decline. Confirm the vehicle uses a cabin filter location that matches the listed fitment before installation. Bosch 6003C is specified for compatible Honda and Acura applications, including 2001-2005 Honda Civic and 2002-2006 Honda CR-V.

Quality Assurance

Bosch HEPA Premium Cabin Air Filters are tested to meet HEPA standards based on ISO 29463-3:2011. The Bosch 6003C is an OE standard cabin air filter designed for consistent filtration performance in the listed Honda and Acura vehicles.