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DENSO is a leading global automotive parts manufacturer known for OE-quality components
and contains desiccant to absorb moisture from the system
known for OE-quality parts and over 100 years of expertise
known for rigorous testing and reliable performance
Manufactured by Elring
Bosch Audi VW Cabin Air Filter – 8A0819439A / P3740WS Proposition 65 DENSO is a leading globalThe Bosch P3740WS cabin air filter is an activated charcoal replacement designed for Audi and Volkswagen models from the 1990s to early 2000s. It filters out harmful airborne particles, pollen, and odors, ensuring clean air inside the cabin. This filter matches OEM part number 8A0819439A and is recommended for replacement every 12 months or 12,000 miles. Key Features & Benefits Activated Charcoal: Traps odors, pollen, and pollutants for fresher cabin