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Hella 009149521 Mass Air Flow Sensor
Hella Mass Air Flow Sensor 009149521
The Hella 009149521 mass air flow sensor is a bolted, 5-pin replacement part for select Audi applications. It is built for vehicles that require accurate intake air measurement to support proper engine management and drivability.
Key Features
- Part type: Mass Air Flow Sensor
- Brand: Hella
- Part number: 009149521
- Mounting type: Bolted
- 5-pin connector design
- Emission control sensor for air metering input
Application Details
This Hella mass air flow sensor 009149521 is used in select Audi R8 and Audi A8 Quattro models. Compatible fitment includes 2010-2012 Audi R8, 2014-2015 Audi R8, 2017-2018 Audi R8, 2020-2023 Audi R8, and 2014-2016 Audi A8 Quattro. For buyers searching for a bolted 5-pin mass air flow sensor for Audi R8 or Audi A8 Quattro, this part matches the listed OE-style configuration.
This part cross-references Delphi AF10489 and Hitachi Automotive MAF0057 for the same application.
What It Helps Address
- Incorrect airflow signal to the engine control system
- Rough idle caused by inaccurate air measurement
- Driveability issues related to air/fuel calculation
- Check engine light conditions tied to MAF sensor faults
- Reduced throttle response from a failing sensor
Installation Notes
Verify the connector count and mounting style before installation. This sensor uses a bolted mounting design and a 5-pin connector, so the replacement should be matched to the vehicle’s original configuration. Confirm the part number 009149521 against the existing sensor and vehicle application before service.
Quality Assurance
Hella is an established automotive parts brand with broad OE and aftermarket coverage. This sensor is specified by mounting type and connector count to support accurate application matching for the listed Audi fitments.
| Brand | Hella |
| Part Number | 009149521 |
| Position | Hella |
| Mounting Type | Bolted |
| Number of connectors | 5 |
This part fits 67 vehicles. Search below:
| Year | Make | Model | Submodel | Body Type | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|---|
| 2023 | Audi | R8 | Performance | N/A | 5-Pin Connector - Bolted | ||||
| 2022 | Audi | R8 | Performance | N/A | 5-Pin Connector - Bolted | ||||
| 2021 | Audi | R8 | Spyder | N/A | 5-Pin Connector - Bolted | ||||
| 2020 | Audi | R8 | Spyder | N/A | 5-Pin Connector - Bolted | ||||
| 2018 | Audi | R8 | Spyder | 5.2L | V10 | GAS | N/A | Mounting Type: Bolted; Number of connectors: 5; 0; Hella | |
| 2018 | Audi | R8 | RWS | 5.2L | V10 | GAS | N/A | Mounting Type: Bolted; Number of connectors: 5; 0; Hella | |
| 2018 | Audi | R8 | Base | 5.2L | V10 | GAS | N/A | Mounting Type: Bolted; Number of connectors: 5; 0; Hella | |
| 2018 | Audi | R8 | Plus | 5.2L | V10 | GAS | N/A | Mounting Type: Bolted; Number of connectors: 5; 0; Hella | |
| 2018 | Audi | R8 | Plus Spyder | 5.2L | V10 | GAS | N/A | Mounting Type: Bolted; Number of connectors: 5; 0; Hella | |
| 2018 | Audi | R8 | Spyder | N/A | Mounting Type: Bolted; Number of connectors: 5; 0; Hella | ||||
| 2018 | Audi | R8 | RWS | N/A | Mounting Type: Bolted; Number of connectors: 5; 0; Hella | ||||
| 2018 | Audi | R8 | Plus | N/A | Mounting Type: Bolted; Number of connectors: 5; 0; Hella | ||||
| 2018 | Audi | R8 | Plus Spyder | N/A | Mounting Type: Bolted; Number of connectors: 5; 0; Hella | ||||
| 2018 | Audi | R8 | Base | N/A | Mounting Type: Bolted; Number of connectors: 5; 0; Hella | ||||
| 2017 | Audi | R8 | Spyder | 5.2L | V10 | GAS | N/A | Mounting Type: Bolted; Number of connectors: 5; 0; Hella | |
| 2017 | Audi | R8 | Base | 5.2L | V10 | GAS | N/A | Mounting Type: Bolted; Number of connectors: 5; 0; Hella | |
| 2017 | Audi | R8 | Plus | 5.2L | V10 | GAS | N/A | Mounting Type: Bolted; Number of connectors: 5; 0; Hella | |
| 2017 | Audi | R8 | Spyder | N/A | Mounting Type: Bolted; Number of connectors: 5; 0; Hella | ||||
| 2017 | Audi | R8 | Plus | N/A | Mounting Type: Bolted; Number of connectors: 5; 0; Hella | ||||
| 2017 | Audi | R8 | Base | N/A | Mounting Type: Bolted; Number of connectors: 5; 0; Hella | ||||
| 2016 | Audi | A8 Quattro | L TDI | 3.0L | V6 | DIESEL | N/A | Mounting Type: Bolted; Number of connectors: 5; 0; Hella | |
| 2016 | Audi | A8 Quattro | TDI | Sedan | 3.0L | V6 | N/A | Mounting Type: Bolted; Number of connectors: 5; 0; Hella | |
| 2016 | Audi | A8 Quattro | L TDI | Sedan | 3.0L | V6 | N/A | Mounting Type: Bolted; Number of connectors: 5; 0; Hella | |
| 2016 | Audi | A8 Quattro | L TDI | N/A | Mounting Type: Bolted; Number of connectors: 5; 0; Hella | ||||
| 2015 | Audi | A8 Quattro | L TDI | 3.0L | V6 | DIESEL | N/A | Mounting Type: Bolted; Number of connectors: 5; 0; Hella | |
| 2015 | Audi | A8 Quattro | L TDI | Sedan | 3.0L | V6 | N/A | Mounting Type: Bolted; Number of connectors: 5; 0; Hella | |
| 2015 | Audi | A8 Quattro | L TDI | N/A | Mounting Type: Bolted; Number of connectors: 5; 0; Hella | ||||
| 2015 | Audi | R8 | Spyder | 5.2L | V10 | GAS | N/A | Mounting Type: Bolted; Number of connectors: 5; 0; Hella | |
| 2015 | Audi | R8 | Base | 5.2L | V10 | GAS | N/A | Mounting Type: Bolted; Number of connectors: 5; 0; Hella | |
| 2015 | Audi | R8 | Plus | 5.2L | V10 | GAS | N/A | Mounting Type: Bolted; Number of connectors: 5; 0; Hella | |
| 2015 | Audi | R8 | Spyder | Convertible | 5.2L | V10 | N/A | Mounting Type: Bolted; Number of connectors: 5; 0; Hella | |
| 2015 | Audi | R8 | Plus | Coupe | 5.2L | V10 | N/A | Mounting Type: Bolted; Number of connectors: 5; 0; Hella | |
| 2015 | Audi | R8 | Base | Coupe | 5.2L | V10 | N/A | Mounting Type: Bolted; Number of connectors: 5; 0; Hella | |
| 2015 | Audi | R8 | Plus | N/A | Mounting Type: Bolted; Number of connectors: 5; 0; Hella | ||||
| 2015 | Audi | R8 | Spyder | 5.2L | V10 | N/A | Mounting Type: Bolted; Number of connectors: 5; 0; Hella | ||
| 2015 | Audi | R8 | Base | 5.2L | V10 | N/A | Mounting Type: Bolted; Number of connectors: 5; 0; Hella | ||
| 2014 | Audi | A8 Quattro | L TDI | Sedan | 3.0L | V6 | N/A | Mounting Type: Bolted; Number of connectors: 5; 0; Hella | |
| 2014 | Audi | R8 | Spyder | 5.2L | V10 | GAS | N/A | Mounting Type: Bolted; Number of connectors: 5; 0; Hella | |
| 2014 | Audi | R8 | Base | 5.2L | V10 | GAS | N/A | Mounting Type: Bolted; Number of connectors: 5; 0; Hella | |
| 2014 | Audi | R8 | Plus | 5.2L | V10 | GAS | N/A | Mounting Type: Bolted; Number of connectors: 5; 0; Hella | |
| 2014 | Audi | R8 | Spyder | Convertible | 5.2L | V10 | N/A | Mounting Type: Bolted; Number of connectors: 5; 0; Hella | |
| 2014 | Audi | R8 | Plus | Coupe | 5.2L | V10 | N/A | Mounting Type: Bolted; Number of connectors: 5; 0; Hella | |
| 2014 | Audi | R8 | Base | Coupe | 5.2L | V10 | N/A | Mounting Type: Bolted; Number of connectors: 5; 0; Hella | |
| 2014 | Audi | R8 | Plus | N/A | Mounting Type: Bolted; Number of connectors: 5; 0; Hella | ||||
| 2014 | Audi | R8 | Spyder | 5.2L | V10 | N/A | Mounting Type: Bolted; Number of connectors: 5; 0; Hella | ||
| 2014 | Audi | R8 | Base | 5.2L | V10 | N/A | Mounting Type: Bolted; Number of connectors: 5; 0; Hella | ||
| 2012 | Audi | R8 | GT | 5.2L | V10 | GAS | N/A | Mounting Type: Bolted; Number of connectors: 5; 0; Hella | |
| 2012 | Audi | R8 | GT Spyder | 5.2L | V10 | GAS | N/A | Mounting Type: Bolted; Number of connectors: 5; 0; Hella | |
| 2012 | Audi | R8 | Spyder | 5.2L | V10 | GAS | N/A | Mounting Type: Bolted; Number of connectors: 5; 0; Hella | |
| 2012 | Audi | R8 | Base | 5.2L | V10 | GAS | N/A | Mounting Type: Bolted; Number of connectors: 5; 0; Hella | |
| 2012 | Audi | R8 | Spyder | Convertible | 5.2L | V10 | N/A | Mounting Type: Bolted; Number of connectors: 5; 0; Hella | |
| 2012 | Audi | R8 | GT | Coupe | 5.2L | V10 | N/A | Mounting Type: Bolted; Number of connectors: 5; 0; Hella | |
| 2012 | Audi | R8 | GT Spyder | Convertible | 5.2L | V10 | N/A | Mounting Type: Bolted; Number of connectors: 5; 0; Hella | |
| 2012 | Audi | R8 | Base | Coupe | 5.2L | V10 | N/A | Mounting Type: Bolted; Number of connectors: 5; 0; Hella | |
| 2012 | Audi | R8 | GT | N/A | Mounting Type: Bolted; Number of connectors: 5; 0; Hella | ||||
| 2012 | Audi | R8 | GT Spyder | N/A | Mounting Type: Bolted; Number of connectors: 5; 0; Hella | ||||
| 2012 | Audi | R8 | Spyder | 5.2L | V10 | N/A | Mounting Type: Bolted; Number of connectors: 5; 0; Hella | ||
| 2012 | Audi | R8 | Base | 5.2L | V10 | N/A | Mounting Type: Bolted; Number of connectors: 5; 0; Hella | ||
| 2011 | Audi | R8 | Spyder | 5.2L | V10 | GAS | N/A | Mounting Type: Bolted; Number of connectors: 5; 0; Hella | |
| 2011 | Audi | R8 | Base | 5.2L | V10 | GAS | N/A | Mounting Type: Bolted; Number of connectors: 5; 0; Hella | |
| 2011 | Audi | R8 | Spyder | Convertible | 5.2L | V10 | N/A | Mounting Type: Bolted; Number of connectors: 5; 0; Hella | |
| 2011 | Audi | R8 | Base | Coupe | 5.2L | V10 | N/A | Mounting Type: Bolted; Number of connectors: 5; 0; Hella | |
| 2011 | Audi | R8 | Spyder | 5.2L | V10 | N/A | Mounting Type: Bolted; Number of connectors: 5; 0; Hella | ||
| 2011 | Audi | R8 | Base | 5.2L | V10 | N/A | Mounting Type: Bolted; Number of connectors: 5; 0; Hella | ||
| 2010 | Audi | R8 | Base | 5.2L | V10 | GAS | N/A | Mounting Type: Bolted; Number of connectors: 5; 0; Hella | |
| 2010 | Audi | R8 | Base | Coupe | 5.2L | V10 | N/A | Mounting Type: Bolted; Number of connectors: 5; 0; Hella | |
| 2010 | Audi | R8 | Base | 5.2L | V10 | N/A | Mounting Type: Bolted; Number of connectors: 5; 0; 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.