The Hitachi MAF0020 mass air flow sensor accurately measures the volume of air entering your engine, allowing the ECU to balance the fuel delivery for optimal performance. This direct replacement restores proper engine function, improving fuel economy and reducing hesitation. Fits various Audi models including A4, A6, 90, 100, and Cabriolet from 1993-1998 with the 2.8L V6 engine.
Key Features & Benefits
- Direct OEM Replacement: Plugs directly into factory wiring harness without modification.
- Precise Air Measurement: Hot-wire technology ensures accurate airflow readings.
- Restores Performance: Replaces a faulty sensor to eliminate poor fuel economy, idling issues, and acceleration hesitation.
- OEM Quality: Manufactured by Hitachi, an original equipment supplier for Audi.
Vehicle Fitment
| Make | Model | Years | Engine |
|---|---|---|---|
| Audi | Cabriolet | 1994–1998 | 2.8V6 |
| Audi | A6 Quattro | 1995–1998 | 2.8V6 |
| Audi | A4 Quattro | 1996 | 2.8V6 |
| Audi | A4 Quattro | 1998 | 2.8V6 |
| Audi | A4 | 1996–1998 | 2.8V6 |
| Audi | A6 | 1995–1997 | 2.8V6 |
| Audi | 90 Quattro | 1993–1995 | 2.8V6 |
| Audi | 90 | 1993–1995 | 2.8V6 |
| Audi | 100 Quattro | 1993–1994 | 2.8V6 |
| Audi | 100 | 1993–1994 | 2.8V6 |
Technical Specifications
| Part Number | 078133471AX |
| OEM Cross-Reference | MAF0020 |
| Housing Material | Plastic |
| Brand | Hitachi |
Installation Notes
Plug-and-play installation; no special tools or programming required.
About HITACHI
Hitachi is a trusted OEM manufacturer supplying high-quality engine management components to major automakers.
This part also goes by the following cross reference.
Cross Reference Part Number:
Fits These Vehicles
| Make | Model | Engine | Years |
|---|---|---|---|
| Audi | Cabriolet | 2.8V6 | 1994–1998 |
| Make | Model | Engine | Years |
|---|---|---|---|
| Audi | A6 Quattro | 2.8V6 | 1995–1998 |
| Audi | A6 | 2.8V6 | 1995–1997 |
| Make | Model | Engine | Years |
|---|---|---|---|
| Audi | A4 Quattro | 2.8V6 | 1996–1996 |
| Audi | A4 Quattro | 2.8V6 | 1998–1998 |
| Audi | A4 | 2.8V6 | 1996–1998 |
| Make | Model | Engine | Years |
|---|---|---|---|
| Audi | 90 Quattro | 2.8V6 | 1993–1995 |
| Audi | 90 | 2.8V6 | 1993–1995 |
| Make | Model | Engine | Years |
|---|---|---|---|
| Audi | 100 Quattro | 2.8V6 | 1993–1994 |
| Audi | 100 | 2.8V6 | 1993–1994 |