Send fresh air into the exhaust stream when your engine needs it with the Dorman - OE Solutions Secondary Air Injection Pump, part number 306-018. It fits many vehicles, among them the 2009-2015 Mercedes-Benz G550, 2010-2013 Mercedes-Benz S400 and 2010-2012 Mercedes-Benz C250. See the Buyer's Guide tab for the full list.
A secondary air injection pump delivers fresh air into the exhaust system, typically during cold starts. This helps the catalytic converter reach operating temperature and is part of how the vehicle manages emissions. Dorman built this pump as a direct-fit replacement for the listed applications.
- Direct replacement: Designed to fit and work like the original pump on the listed applications.
- Replacement for a failed pump: A dependable choice when the original pump is leaking or has failed from an internal component failure.
- Durable construction: Made from quality materials for reliable performance and durability.
- Trustworthy quality: Supported by a U.S.-based team of product specialists and more than a century of automotive experience.
Signs this part may need replacing include a check engine light with secondary air system codes, a pump that no longer runs at start-up, or unusual noise from the pump. These symptoms can have other causes, so diagnose the system before you replace the pump. If a failed pump is the cause, this unit replaces it.
Interchange: 0001405185
