Genuine OEM Volkswagen Secondary Air Pump, part number 07K131333A. This electric pump is a vital component of the vehicle's emissions control system, responsible for injecting fresh air into the exhaust stream during cold starts. This process helps to quickly heat the catalytic converter, reducing harmful emissions. It is positioned within the engine bay, typically near the exhaust system. Weighing 1.407 kg, this pump is engineered for reliable operation and precise air delivery. Choosing a genuine OEM secondary air pump ensures correct electrical calibration, robust construction, and optimal performance, which are critical for meeting emissions standards and maintaining engine health.