This Denso upstream oxygen sensor replaces Audi part 078906265B for 2.8L V6 engines in various Audi models from the 1990s. It monitors exhaust oxygen before the catalytic converter for precise air-fuel ratio control. Improved engine performance and fuel efficiency.
Key Features & Benefits
- Position: Upstream (pre-cat) for air-fuel mixture control.
- Heated: Fast response and stable readings.
- Wide Fitment: Compatible with Audi 90, 100, A6, Cabriolet with 2.8L V6.
- Threaded: 0.7 inch thread diameter.
- OE Replacement: Exact fit for 078906265B.
Vehicle Fitment
| Make | Model | Years | Engine |
|---|---|---|---|
| Audi | Cabriolet | 1994–1998 | 2.8V6 |
| Audi | A6 Quattro | 1995–1998 | 2.8V6 |
| Audi | A6 | 1995–1998 | 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 | 078906265B |
| Denso Number | 2343101 |
| Sensor Type | Heated |
| Position | Upstream |
| Connector Gender | Male Female |
| Mounting Type | Threaded |
| Thread Diameter | 0.7 inches |
Installation Notes
Direct replacement; verify connector compatibility for your specific model year.
About DENSO
Denso is a leading OE supplier of oxygen sensors known for reliability and precision.
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 | 1995–1998 |
| 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 |