8A0819439A Cabin Air Filter | VW Passat B5 Interior Air Filter

🔧 Cabin Air Filter – OEM 8A0819439A / CU3955 (Volkswagen Passat B5)

Ensure clean and healthy interior air with the
COWIN OEM‑Standard Cabin Air Filter.
Designed for Volkswagen Passat B5 (B5 platform), this high‑efficiency filter effectively removes dust, pollen, allergens, and airborne contaminants, improving HVAC performance and passenger comfort.

✅ Key Features & Benefits

• OEM Reference: Direct replacement referencing part numbers
  8A0819439A / CU3955.
• Application: Specifically designed for:
  • Volkswagen Passat B5 (all trims & model years)
  • Volkswagen B5 platform sedans sharing this cabin filter specification
• Filter Type: Cabin Air Filter / Pollen Filter.
• Filtration Efficiency: High‑efficiency media captures fine particles and allergens.
• Interior Air Quality: Reduces dust, pollen, and unpleasant odors.
• HVAC Protection: Prevents clogging of evaporator and blower motor.
• Durable Construction: Reinforced frame and high‑quality filter media.
• Direct Replacement: Matches original dimensions and specifications.

🚗 Vehicle Compatibility

📐 Product Dimensions

• Length: 386 mm
• Width: 145 mm
• Height: 25 mm

⚙️ Technical Specifications

• OEM Numbers: 8A0819439A / CU3955
• Product: Cabin Air Filter
• Size: 386 × 145 × 25 mm
• Installation: Direct replacement
• Quality: 100% Tested & Inspected

🛠️ Installation Note

Professional installation is recommended.
Locate the cabin filter housing behind the glove box or under the dashboard.
Remove the old filter carefully to avoid spreading dust.
Install the new filter in the correct airflow direction.
Replace filters at intervals recommended by the vehicle manufacturer.

🏭 Why Choose COWIN Auto Parts?

COWIN (Gaoyun) specializes in steering, brake, and filtration system components.
Every filter is inspected for material integrity, dimensional accuracy, and filtration performance.