For VW For Golf For Jetta For Beetle 1.9TDI 2.0TDI EGR Valve Vacuum Unit Actuator 038131501E 045131501L 045131501C. Reference OE Number: 028131501E, 038131501E, 045131501C, 045131501L. 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