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Pierburg 7.05315.05.0 Secondary Air Injection Pump
Pierburg Secondary Air Injection Pump for Audi R8
Pierburg 7.05315.05.0 is a 12V electric secondary air injection pump built for OE-style emission control performance. It pushes fresh air into the exhaust during cold starts to help reduce emissions and support smooth engine operation.
Genuine OE from HELLA identifies the product line behind this replacement pump, giving buyers a factory-style option for emission control service on the Audi R8.
Key Features
- Standard replacement secondary air injection pump
- Electric operating mode with 12VDC power
- Supports cold-start exhaust air injection
- OE-level fit and function for emission control service
- Pierburg part number 7.05315.05.0
Detailed Description
This Pierburg secondary air injection pump is designed for 2017-2018 Audi R8 and 2020-2021 Audi R8 applications. It delivers fresh air into the exhaust stream during startup, helping the emission system reach operating efficiency sooner. If you are replacing a failed Audi R8 secondary air pump, 7.05315.05.0 provides a direct-fit, electric 12V solution for standard replacement service.
This part cross-references 4S0 090 660 A and 07L959253K for the same application.
What It Helps Address
- Secondary air pump failure codes
- Excess emissions during cold starts
- Delayed catalyst light-off after startup
- Rough or inconsistent cold-start operation
- Emission system warning lights related to air injection
Installation Notes and Tips
Verify the vehicle’s original pump part number and electrical connector before installation. This pump is an electric 12V unit, so confirm system voltage and mounting location match the original Audi R8 application. Clear diagnostic trouble codes after installation and inspect related hoses, valves, and wiring for damage that could affect system performance.
Quality Assurance
Pierburg is supplied as Genuine OE from HELLA, supporting OE-style replacement standards for emission control service. Part number 7.05315.05.0 is built for the listed Audi R8 fitments and standard replacement use.
| Brand | Pierburg |
|---|---|
| Part Number | 7.05315.05.0 |
| Position | Genuine OE from HELLA |
| Grade Type | Standard replacement |
| Operating Mode | Electric |
| Voltage [VDC] | 12 |
This part fits 4 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2021 | Audi | R8 | 5.2L | V10 | GAS | N/A | 12V - Electric; Genuine OE from HELLA |
| 2020 | Audi | R8 | 5.2L | V10 | N/A | 12V - Electric; Genuine OE from HELLA | |
| 2018 | Audi | R8 | 5.2L | V10 | N/A | 12V - Electric; Genuine OE from HELLA | |
| 2017 | Audi | R8 | 5.2L | V10 | N/A | 12V - Electric; Genuine OE from HELLA |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.