Dorman 306-018 Secondary Air Injection Pump

Overview of the Dorman Secondary Air Injection Pump

The Dorman 306-018 Secondary Air Injection Pump is designed to support emission control systems in select Mercedes-Benz models. This air pump helps reduce harmful emissions by injecting air into the exhaust stream during cold starts.

• Compatible with various Mercedes-Benz models including C230, E350, GL450, and SLK350
• Part number 306-018 ensures precise fitment and reliable performance
• Package includes one air pump without pulley or mounting hardware
• Supports the vehicle’s air injection system for improved emission control

Product Details and Attributes

This Dorman secondary air injection pump (part number 306-018) is engineered to meet the specifications of Mercedes-Benz vehicles such as the C250, CLS550, and ML550. The pump is supplied as a single unit without the pulley or mounting hardware, allowing for direct replacement of the air pump component. It is essential to verify the condition of existing mounting hardware and pulley before installation.

Compatible Mercedes-Benz Models

This air injection pump is compatible with a wide range of Mercedes-Benz models, including but not limited to:

• C230, C250, C280, C300, C350
• CL550, CLK350, CLK550, CLS550
• E280, E300, E350, E550
• G550, GL450, GL550, GLK350
• ML350, ML450, ML550
• R350, R550
• S400, S450, S550
• SL550, SLK280, SLK300, SLK350

Common Applications and Issues Addressed

The secondary air injection pump plays a critical role in reducing emissions and ensuring compliance with environmental standards. This part can help resolve issues such as:

• Check engine light triggered by air injection system faults
• Failed emissions tests due to insufficient air injection
• Rough engine idle or poor cold start performance
• Unusual noises from the air injection pump area
• Reduced fuel efficiency related to emission control malfunctions

Installation Notes and Tips

When installing the Dorman 306-018 air pump, note that the pulley and mounting hardware are not included. Inspect existing components for wear or damage and replace as necessary. Proper alignment and secure mounting are essential for optimal pump operation. Refer to the vehicle’s service manual for torque specifications and installation procedures.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 306-018 secondary air injection pump undergoes rigorous quality control to ensure durability and reliable performance in Mercedes-Benz vehicles. Warranty coverage details should be confirmed at the time of purchase.