IAC Idle Air Control Valve Fit For Volkswagen Fit For Audi. OEM:0280140512 034133455B. Material：This idle air control valve is made of materials, wear-resistant and durable, and has a long service life. Stable Idle Control:‌ This idle air control valve helps maintain consistent engine idle speed by regulating airflow, supporting smooth operation under varying load conditions. Durable Construction:‌ Built with engineered composite materials to withstand prolonged exposure to heat and vibration, ensuring reliable function over time., Manufacturer: TLVBFPG