Dorman 306-025 Secondary Air Injection Pump

Overview of the Dorman Secondary Air Injection Pump

The Dorman 306-025 secondary air injection pump is designed specifically for BMW X5 models to support emission control systems. This replacement part helps maintain proper air injection to reduce harmful exhaust emissions and ensure compliance with environmental standards.

• Compatible with BMW X5 vehicles
• Part number 306-025 for precise identification
• Secondary air injection pump included in the package
• No pulley included
• No mounting hardware included

Key Features and Attributes

This secondary air injection pump from Dorman is engineered to meet the exact specifications required for BMW X5 emission control systems. The package contains one secondary air injection pump, allowing for straightforward replacement. Note that this part does not include a pulley or mounting hardware, so existing components may need to be reused or sourced separately.

Function and Application

The secondary air injection pump plays a critical role in the emission control system by injecting fresh air into the exhaust stream during cold starts. This process helps reduce hydrocarbon and carbon monoxide emissions by promoting more complete combustion.

• Helps reduce exhaust emissions during cold engine starts
• Supports compliance with emission regulations
• Prevents check engine light triggers related to air injection faults
• Improves overall engine performance and efficiency
• Addresses issues such as rough idling and failed emissions tests

Installation Notes and Tips

When installing the Dorman 306-025 secondary air injection pump on a BMW X5, ensure that the existing pulley and mounting hardware are in good condition, as these are not included with the pump. Proper electrical connections and vacuum lines should be inspected and secured to guarantee optimal pump operation. It is recommended to follow the vehicle manufacturer’s service manual for torque specifications and installation procedures.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards, providing reliable performance for emission control components. While specific warranty details for part number 306-025 should be confirmed at the time of purchase, Dorman typically offers limited warranties covering defects in material and workmanship to ensure customer confidence in their replacement parts.