EGR Valve Vacuum Unit Actuator for A2 for A3 for VW for Beetle for Golf for Jetta 1.9TDI 2.0TDI 038131501E 045131501L 045131501C. wear-resisting durable and undamage. Designed to ensure optimal engine performance and emissions control. Robust & Durable: Manufactured from materials capable of withstanding heavy loads, it contributes to improved vehicle stability and responsiveness. Exhaust gas dilutes the air-fuel mixture, reducing combustion intensity, resulting in smoother operation. EGR is generally turned off during idling, acceleration, and high loads to prevent insufficient power and unstable idling., Manufacturer: changqishangmao1