Dorman 306-041 Secondary Air Injection Pump

Reliable Secondary Air Injection Pump for Audi Models

The Dorman 306-041 Secondary Air Injection Pump is designed to support emission control systems in select Audi vehicles. Engineered with precise dimensions and electrical specifications, this pump helps maintain optimal air injection performance for cleaner exhaust emissions.

• Compatible with Audi A4 Quattro, A5, A5 Quattro, A6, A6 Quattro, A7, A7 Quattro, Q5, Q7, and S5 models
• Inside diameters of 0.9 and 1.205 inches for hose connections
• Wiring harness length of 8.5 inches with 2 wires and blade-type terminals
• Includes 2 hose connectors with outside diameters of 1.28 and 1.436 inches
• Plastic housing material for durability and corrosion resistance
• Female connector and male terminal configuration
• Does not include pulley or mounting hardware

Technical Details and Specifications

The Dorman 306-041 Secondary Air Injection Pump features dual hose connectors with precise inside diameters of 0.9 and 1.205 inches, ensuring a secure fit with your vehicle’s air injection hoses. The wiring harness measures 8.5 inches in length and includes two wires terminated with blade-type male terminals, connecting to a female connector for reliable electrical performance. Constructed with a plastic housing, this pump offers resistance to corrosion and heat typically encountered in engine compartments. Note that this unit does not come with a pulley or mounting hardware, so existing components should be reused or sourced separately.

Purpose and Common Applications

• Supports the secondary air injection system to reduce harmful emissions during cold starts
• Helps prevent check engine light codes related to air injection pump failure
• Restores proper air flow to the exhaust system for improved emission control
• Addresses issues such as rough idling or failed emissions tests linked to air injection pump malfunction
• Maintains compliance with emission regulations on compatible Audi vehicles

Installation Notes and Tips

Installation of the Dorman 306-041 pump requires careful handling of the wiring harness and hose connections. Ensure the blade terminals are securely connected to the vehicle’s wiring harness and verify the correct orientation of the female connector. Inspect existing hoses for wear and replace if necessary to maintain airtight seals. Since mounting hardware and pulley are not included, retain original parts or acquire compatible replacements. Follow manufacturer torque specifications when securing the pump to avoid damage.

Quality Assurance and Warranty

Dorman manufactures this secondary air injection pump to meet or exceed OEM standards for fit, form, and function. The plastic housing and electrical components are tested for durability under typical operating conditions. This part is backed by Dorman’s standard warranty coverage, providing assurance of quality and reliability for your Audi A4 Quattro, A5, A6, A7, Q5, Q7, or S5 vehicle.