This secondary air injection pump is designed for use with Mercedes Benz E350, E550, SLK280, and SLK300 models. It is a durable electrical pump that is manufactured in China and comes with a range of features. The pump is sold with a secondary air injection pump item and has OE/OEM part numbers of A058000025, A0001405185, and 0001405185. The manufacturer part number is 580000025. This pump is not a vintage part and is not designed for universal fitment. It is a reliable and effective component for use with exhaust and emission systems. Whether you're replacing a faulty pump or upgrading your vehicle, this secondary air injection pump is an excellent choice.