Pierburg
Genuine OE from HELLA

Pierburg 7.04389.00.0 Secondary Air Injection Pump

Brand Pierburg 7.04389.00.0
Grade Type Standard replacement
Operating Mode Electric
Technical Information Number Si 1150-11
Voltage [VDC] 12
Product line Genuine OE from HELLA
Fits Mercedes-Benz · 135 vehicles

Standard replacement. OE-level fit and function for straightforward installation.

Electric operation. 12V pump delivers fresh air on cold starts for cleaner exhaust.

Emission control. Helps reduce emissions while keeping engine operation smooth.

Cross-references Bosch 9605, URO 0001403785 and VEMO V30-63-0025 for the same application. See all 11.

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Pierburg Secondary Air Injection Pump for Mercedes-Benz

Pierburg 7.04389.00.0 is a 12V electric secondary air injection pump built as a standard replacement for Mercedes-Benz emission control systems. It pushes fresh air into the exhaust during cold starts to help reduce emissions and support smooth engine operation.

Brand Line: Genuine OE from HELLA indicates an OE-focused product line for drivers who want factory-style fit and function in emission control repairs.

Key Features

  • 12V electric secondary air injection pump
  • Standard replacement grade for emission control service
  • Helps deliver fresh air to the exhaust on cold starts
  • OE-level fitment focus for Mercedes-Benz applications
  • Technical Information Number: SI 1150-11
  • Part number: 7.04389.00.0

Detailed Description

This Pierburg secondary air injection pump is engineered for Mercedes-Benz vehicles that rely on an electric air injection system to reduce cold-start emissions. It is a direct-fit style replacement for many V8 and V6 models, including Mercedes-Benz G500, ML500, R500, CL500, CLK500, CLS500, E500, S430, S500, SL500, C240, C320, CLK320, E320, ML350, G55 AMG, SLK320, CLK430, ML320, ML55 AMG, CL55 AMG, CLK55 AMG, E430, E55 AMG, S55 AMG, ML430, C280, and C43 AMG.

This part cross-references Bosch 9605 for the same application. The part number 7.04389.00.0 is also listed with OE-style interchange references for select Mercedes-Benz air injection pump applications.

What It Is Used For

  • Reduced cold-start emissions from a failing secondary air system
  • Air injection pump noise or electrical failure
  • Check engine light related to secondary air flow faults
  • Insufficient fresh-air delivery into the exhaust during startup
  • Emission inspection issues tied to air injection performance

Installation Notes and Tips

Confirm 12V electric system requirements and match the OE number before ordering. Verify the vehicle’s secondary air injection plumbing, electrical connector, and mounting points during diagnosis, especially on Mercedes-Benz G500, ML500, and E500 applications where multiple emission-control components may be involved. Use the vehicle’s VIN and OE reference A0001403785 when checking fitment for the 7.04389.00.0 pump.

Quality Assurance

Pierburg is supplied as Genuine OE from HELLA, with a focus on OE-level performance and factory-style replacement fitment for emission control repairs.

This part fits 135 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelDrive TypeTransmissionLitersCylindersFuel TypePositionNotes
2008Mercedes-BenzG500———5.0LV8—N/A12V - Electric; Genuine OE from HELLA
2007Mercedes-BenzG500———5.0LV8—N/A12V - Electric; Genuine OE from HELLA
2007Mercedes-BenzML500—AWDAutomatic5.0LV8—N/A12V - Electric; Genuine OE from HELLA
2007Mercedes-BenzR500—AWDAutomatic5.0LV8—N/A12V - Electric; Genuine OE from HELLA
2006Mercedes-BenzCL500———5.0LV8—N/A12V - Electric; Genuine OE from HELLA
2006Mercedes-BenzCLK500———5.0LV8—N/A12V - Electric; Genuine OE from HELLA
2006Mercedes-BenzCLK55 AMG———5.5LV8—N/AWith OE No. A0001403785; Genuine OE from HELLA
2006Mercedes-BenzCLS500———5.0LV8—N/A12V - Electric; Genuine OE from HELLA
2006Mercedes-BenzE5004Matic——5.0LV8—N/A12V - Electric; Genuine OE from HELLA
2006Mercedes-BenzG500———5.0LV8—N/A12V - Electric; Genuine OE from HELLA
2006Mercedes-BenzML500—AWDAutomatic5.0LV8—N/A12V - Electric; Genuine OE from HELLA
2006Mercedes-BenzR500—AWDAutomatic5.0LV8—N/A12V - Electric; Genuine OE from HELLA
2006Mercedes-BenzS350———3.7LV6—N/A12V - Electric; Genuine OE from HELLA
2006Mercedes-BenzS4304Matic——4.3LV8—N/A12V - Electric; Genuine OE from HELLA
2006Mercedes-BenzS5004Matic——5.0LV8—N/A12V - Electric; Genuine OE from HELLA
2006Mercedes-BenzSL500———5.0LV8—N/A12V - Electric; Genuine OE from HELLA
2005Mercedes-BenzC2404Matic——2.6LV6—N/A12V - Electric; Genuine OE from HELLA
2005Mercedes-BenzC3204Matic——3.2LV6—N/A12V - Electric; Genuine OE from HELLA
2005Mercedes-BenzCL500———5.0LV8—N/A12V - Electric; Genuine OE from HELLA
2005Mercedes-BenzCLK320———3.2LV6—N/A12V - Electric; Genuine OE from HELLA
2005Mercedes-BenzCLK500———5.0LV8—N/A12V - Electric; Genuine OE from HELLA
2005Mercedes-BenzCLK55 AMG———5.5LV8—N/AWith OE No. A0001403785; Genuine OE from HELLA
2005Mercedes-BenzCLS500———5.0LV8GASN/A12V - Electric; Genuine OE from HELLA
2005Mercedes-BenzE3204Matic——3.2LV6—N/A12V - Electric; Genuine OE from HELLA
2005Mercedes-BenzE5004Matic——5.0LV8—N/A12V - Electric; Genuine OE from HELLA
2005Mercedes-BenzG500———5.0LV8—N/A12V - Electric; Genuine OE from HELLA
2005Mercedes-BenzML350———3.7LV6—N/A12V - Electric; Genuine OE from HELLA
2005Mercedes-BenzML500———5.0LV8—N/A12V - Electric; Genuine OE from HELLA
2005Mercedes-BenzS4304Matic——4.3LV8—N/A12V - Electric; Genuine OE from HELLA
2005Mercedes-BenzS5004Matic——5.0LV8—N/A12V - Electric; Genuine OE from HELLA
2005Mercedes-BenzSL500———5.0LV8—N/A12V - Electric; Genuine OE from HELLA
2004Mercedes-BenzC2404Matic——2.6LV6—N/A12V - Electric; Genuine OE from HELLA
2004Mercedes-BenzC3204Matic——3.2LV6—N/A12V - Electric; Genuine OE from HELLA
2004Mercedes-BenzCL500———5.0LV8—N/A12V - Electric; Genuine OE from HELLA
2004Mercedes-BenzCLK320———3.2LV6—N/A12V - Electric; Genuine OE from HELLA
2004Mercedes-BenzCLK500———5.0LV8—N/A12V - Electric; Genuine OE from HELLA
2004Mercedes-BenzCLK55 AMG———5.5LV8—N/AWith OE No. A0001403785; Genuine OE from HELLA
2004Mercedes-BenzE3204Matic——3.2LV6—N/A12V - Electric; Genuine OE from HELLA
2004Mercedes-BenzE5004Matic——5.0LV8—N/A12V - Electric; Genuine OE from HELLA
2004Mercedes-BenzG500———5.0LV8—N/A12V - Electric; Genuine OE from HELLA
2004Mercedes-BenzG55 AMG———5.5LV8—N/A12V - Electric; Genuine OE from HELLA
2004Mercedes-BenzML350———3.7LV6—N/A12V - Electric; Genuine OE from HELLA
2004Mercedes-BenzML500———5.0LV8—N/A12V - Electric; Genuine OE from HELLA
2004Mercedes-BenzS4304Matic——4.3LV8—N/A12V - Electric; Genuine OE from HELLA
2004Mercedes-BenzS5004Matic——5.0LV8—N/A12V - Electric; Genuine OE from HELLA
2004Mercedes-BenzSL500———5.0LV8—N/A12V - Electric; Genuine OE from HELLA
2004Mercedes-BenzSLK320———3.2LV6GASN/A12V - Electric; Genuine OE from HELLA
2003Mercedes-BenzC2404Matic——2.6LV6—N/A12V - Electric; Genuine OE from HELLA
2003Mercedes-BenzC3204Matic——3.2LV6—N/A12V - Electric; Genuine OE from HELLA
2003Mercedes-BenzCL500———5.0LV8—N/A12V - Electric; Genuine OE from HELLA
2003Mercedes-BenzCLK320———3.2LV6—N/A12V - Electric; Genuine OE from HELLA
2003Mercedes-BenzCLK430———4.3LV8—N/A12V - Electric; Genuine OE from HELLA
2003Mercedes-BenzCLK500———5.0LV8—N/A12V - Electric; Genuine OE from HELLA
2003Mercedes-BenzCLK55 AMG———5.5LV8—N/AWith OE No. A0001403785; Genuine OE from HELLA
2003Mercedes-BenzE3204Matic——3.2LV6—N/A12V - Electric; Genuine OE from HELLA
2003Mercedes-BenzE500———5.0LV8GASN/A12V - Electric; Genuine OE from HELLA
2003Mercedes-BenzG500———5.0LV8—N/A12V - Electric; Genuine OE from HELLA
2003Mercedes-BenzG55 AMG———5.5LV8—N/A12V - Electric; Genuine OE from HELLA
2003Mercedes-BenzML320———3.2LV6—N/A12V - Electric; Genuine OE from HELLA
2003Mercedes-BenzML350———3.7LV6—N/A12V - Electric; Genuine OE from HELLA
2003Mercedes-BenzML500———5.0LV8—N/A12V - Electric; Genuine OE from HELLA
2003Mercedes-BenzML55 AMG———5.5LV8—N/A12V - Electric; Genuine OE from HELLA
2003Mercedes-BenzS4304Matic——4.3LV8—N/A12V - Electric; Genuine OE from HELLA
2003Mercedes-BenzS5004Matic——5.0LV8—N/A12V - Electric; Genuine OE from HELLA
2003Mercedes-BenzSL500———5.0LV8—N/A12V - Electric; Genuine OE from HELLA
2003Mercedes-BenzSLK320———3.2LV6GASN/A12V - Electric; Genuine OE from HELLA
2002Mercedes-BenzC240———2.6LV6—N/A12V - Electric; Genuine OE from HELLA
2002Mercedes-BenzC320———3.2LV6—N/A12V - Electric; Genuine OE from HELLA
2002Mercedes-BenzCL500———5.0LV8—N/A12V - Electric; Genuine OE from HELLA
2002Mercedes-BenzCL55 AMG———5.5LV8—N/A12V - Electric; Genuine OE from HELLA
2002Mercedes-BenzCLK320———3.2LV6—N/A12V - Electric; Genuine OE from HELLA
2002Mercedes-BenzCLK430———4.3LV8—N/A12V - Electric; Genuine OE from HELLA
2002Mercedes-BenzCLK55 AMG———5.5LV8—N/A12V - Electric; Genuine OE from HELLA
2002Mercedes-BenzE3204Matic——3.2LV6—N/A12V - Electric; Genuine OE from HELLA
2002Mercedes-BenzE4304Matic——4.3LV8—N/A12V - Electric; Genuine OE from HELLA
2002Mercedes-BenzE55 AMG———5.5LV8—N/A12V - Electric; Genuine OE from HELLA
2002Mercedes-BenzG500———5.0LV8—N/A12V - Electric; Genuine OE from HELLA
2002Mercedes-BenzML320———3.2LV6—N/A12V - Electric; Genuine OE from HELLA
2002Mercedes-BenzML500———5.0LV8—N/A12V - Electric; Genuine OE from HELLA
2002Mercedes-BenzML55 AMG———5.5LV8—N/A12V - Electric; Genuine OE from HELLA
2002Mercedes-BenzS430———4.3LV8—N/A12V - Electric; Genuine OE from HELLA
2002Mercedes-BenzS500———5.0LV8—N/A12V - Electric; Genuine OE from HELLA
2002Mercedes-BenzS55 AMG———5.5LV8—N/A12V - Electric; Genuine OE from HELLA
2002Mercedes-BenzSL500———5.0LV8—N/A12V - Electric; Genuine OE from HELLA
2002Mercedes-BenzSLK320———3.2LV6GASN/A12V - Electric; Genuine OE from HELLA
2001Mercedes-BenzC240———2.6LV6—N/A12V - Electric; Genuine OE from HELLA
2001Mercedes-BenzC320———3.2LV6—N/A12V - Electric; Genuine OE from HELLA
2001Mercedes-BenzCL500———5.0LV8—N/A12V - Electric; Genuine OE from HELLA
2001Mercedes-BenzCL55 AMG———5.5LV8—N/A12V - Electric; Genuine OE from HELLA
2001Mercedes-BenzCLK320———3.2LV6—N/A12V - Electric; Genuine OE from HELLA
2001Mercedes-BenzCLK430———4.3LV8—N/A12V - Electric; Genuine OE from HELLA
2001Mercedes-BenzCLK55 AMG———5.5LV8—N/A12V - Electric; Genuine OE from HELLA
2001Mercedes-BenzE3204Matic——3.2LV6—N/A12V - Electric; Genuine OE from HELLA
2001Mercedes-BenzE4304Matic——4.3LV8—N/A12V - Electric; Genuine OE from HELLA
2001Mercedes-BenzE55 AMG———5.5LV8—N/A12V - Electric; Genuine OE from HELLA
2001Mercedes-BenzML320———3.2LV6—N/A12V - Electric; Genuine OE from HELLA
2001Mercedes-BenzML430———4.3LV8—N/A12V - Electric; Genuine OE from HELLA
2001Mercedes-BenzML55 AMG———5.5LV8—N/A12V - Electric; Genuine OE from HELLA
2001Mercedes-BenzS430———4.3LV8—N/A12V - Electric; Genuine OE from HELLA
2001Mercedes-BenzS500———5.0LV8—N/A12V - Electric; Genuine OE from HELLA
2001Mercedes-BenzS55 AMG———5.5LV8—N/A12V - Electric; Genuine OE from HELLA
2001Mercedes-BenzSL500———5.0LV8—N/A12V - Electric; Genuine OE from HELLA
2001Mercedes-BenzSLK320———3.2LV6GASN/A12V - Electric; Genuine OE from HELLA
2000Mercedes-BenzC280———2.8LV6—N/A12V - Electric; Genuine OE from HELLA
2000Mercedes-BenzC43 AMG———4.3LV8—N/A12V - Electric; Genuine OE from HELLA
2000Mercedes-BenzCL500———5.0LV8—N/A12V - Electric; Genuine OE from HELLA
2000Mercedes-BenzCLK320———3.2LV6—N/A12V - Electric; Genuine OE from HELLA
2000Mercedes-BenzCLK430———4.3LV8—N/A12V - Electric; Genuine OE from HELLA
2000Mercedes-BenzE3204Matic——3.2LV6—N/A12V - Electric; Genuine OE from HELLA
2000Mercedes-BenzE4304Matic——4.3LV8—N/A12V - Electric; Genuine OE from HELLA
2000Mercedes-BenzE55 AMG———5.5LV8—N/A12V - Electric; Genuine OE from HELLA
2000Mercedes-BenzML320———3.2LV6—N/A12V - Electric; Genuine OE from HELLA
2000Mercedes-BenzML430———4.3LV8—N/A12V - Electric; Genuine OE from HELLA
2000Mercedes-BenzML55 AMG———5.5LV8—N/A12V - Electric; Genuine OE from HELLA
2000Mercedes-BenzS430———4.3LV8—N/A12V - Electric; Genuine OE from HELLA
2000Mercedes-BenzS500———5.0LV8—N/A12V - Electric; Genuine OE from HELLA
2000Mercedes-BenzSL500———5.0LV8—N/A12V - Electric; Genuine OE from HELLA
1999Mercedes-BenzC280———2.8LV6—N/A12V - Electric; Genuine OE from HELLA
1999Mercedes-BenzC43 AMG———4.3LV8—N/A12V - Electric; Genuine OE from HELLA
1999Mercedes-BenzCLK320———3.2LV6—N/A12V - Electric; Genuine OE from HELLA
1999Mercedes-BenzCLK430———4.3LV8—N/A12V - Electric; Genuine OE from HELLA
1999Mercedes-BenzE3204Matic——3.2LV6—N/A12V - Electric; Genuine OE from HELLA
1999Mercedes-BenzE430———4.3LV8—N/A12V - Electric; Genuine OE from HELLA
1999Mercedes-BenzE55 AMG———5.5LV8—N/A12V - Electric; Genuine OE from HELLA
1999Mercedes-BenzML320———3.2LV6—N/A12V - Electric; Genuine OE from HELLA
1999Mercedes-BenzML430———4.3LV8—N/A12V - Electric; Genuine OE from HELLA
1999Mercedes-BenzSL500———5.0LV8—N/A12V - Electric; Genuine OE from HELLA
1998Mercedes-BenzC280———2.8LV6—N/A12V - Electric; Genuine OE from HELLA
1998Mercedes-BenzC43 AMG———4.3LV8—N/A12V - Electric; Genuine OE from HELLA
1998Mercedes-BenzCLK320———3.2LV6—N/A12V - Electric; Genuine OE from HELLA
1998Mercedes-BenzE3204Matic——3.2LV6—N/A12V - Electric; Genuine OE from HELLA
1998Mercedes-BenzE430———4.3LV8—N/A12V - Electric; Genuine OE from HELLA
1998Mercedes-BenzE55 AMG———5.5LV8GASN/A12V - Electric; Genuine OE from HELLA
1998Mercedes-BenzML320———3.2LV6—N/A12V - Electric; Genuine OE from HELLA
1998Mercedes-BenzML430———4.3LV8GASN/A12V - Electric; Genuine OE from HELLA
Directly replaces or cross-references 11 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Bosch — 9605URO — 0001403785VEMO — V30-63-0025000 140 37 850 580 000 0100 580 000 01181.31705098830AAA 000 140 37 85A0001403785K05098830AA