17801-31120 Engine Air Filter | Toyota RAV4 2.0 2009 BYD S6 2011

🔧 Engine Air Filter – OEM 17801‑31120 / 17801‑AD010 (Toyota RAV4 2.0 / BYD S6)

Protect your engine with the
COWIN OEM‑Standard Engine Air Filter.
Designed for Toyota RAV4 2.0 (2009) and BYD S6 (2011), this high‑efficiency filter prevents dust, dirt, and debris from entering the engine, ensuring optimal combustion, power output, and fuel economy.

✅ Key Features & Benefits

• OEM Reference: Direct replacement referencing part numbers
  17801‑31120 / 17801‑AD010 / BYD56‑1109302.
• Application: Specifically designed for:
  • Toyota RAV4 2.0L (2009 model year, all specified trims)
  • BYD S6 (2011 model year, all specified trims)
• Filter Type: Engine Air Filter.
• Filtration Efficiency: High‑density filter media captures fine particles.
• Engine Protection: Prevents abrasive particles from damaging cylinders and pistons.
• Performance: Supports clean airflow for better combustion.
• Fuel Economy: Helps maintain optimal air‑fuel ratio.
• Durable Construction: Reinforced frame and high‑quality filter media.
• Direct Replacement: Matches original dimensions and specifications.

🚗 Vehicle Compatibility

📐 Product Dimensions

• Length: 257 mm
• Width: 237 mm
• Height: 53 mm / 56 mm

⚙️ Technical Specifications

• OEM Numbers: 17801‑31120 / 17801‑AD010
• Cross References: BYD56‑1109302
• Product: Engine Air Filter
• Size: 257 × 237 × 53/56 mm
• Installation: Direct replacement
• Quality: 100% Tested & Inspected

🛠️ Installation Note

Professional installation is recommended.
Locate the air filter housing in the engine bay.
Remove the old filter carefully to avoid dropping debris into the intake.
Install the new filter in the correct orientation.
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.