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Denso 234-5093 Air / Fuel Ratio Sensor - Upstream
| Brand | Denso 234-5093 |
|---|---|
| Position | Upstream |
| Wiring Harness Length | 22.24 |
| Sensor Type | Heated |
| Universal Or Specific Fit | Specific |
| Wire Quantity | 5 |
| Grade Type | Regular |
| Connector Gender | Male |
| Thread Diameter | 0.711 |
| Product line | OE Style |
| Fits | Audi · 5 vehicles |
OE style replacement. Precision-built for exact replacement and a first-time fit.
Heated sensor. Helps the sensor reach operating temperature quickly.
5-wire design. Built with a male connector for straightforward installation.
Cross-references Bosch 17225, NTK 27050 and Volkswagen 079906262Q for the same application. See all 5.
Denso OE Style Air/Fuel Ratio Sensor 234-5093
Denso 234-5093 is an OE Style heated air/fuel ratio sensor built for direct replacement on specific Audi applications. It is engineered for exact fitment and consistent signal response, with a 5-wire design and male connector for the listed upstream locations.
Key Features
- OE Style replacement air/fuel ratio sensor from Denso
- Heated sensor design for faster operating temperature
- Specific fit application with a first-time fit focus
- 5-wire configuration with male connector
- Wiring harness length: 22.24
- Thread diameter: 0.711
Product Details
Denso OE Style sensors are manufactured and tested to OE-level standards, with precision-built components intended to match the original part’s fit and function. Part number 234-5093 is a specific-fit air/fuel ratio sensor for upstream placement on select Audi models, including 2013-2015 Audi RS5 and 2011-2012 Audi A8 Quattro. This part cross-references Bosch 17225 for the same application.
Compatible With 2013-2015 Audi RS5, upstream, and 2011-2012 Audi A8 Quattro, upstream. For Audi RS5 upstream sensor replacement or Audi A8 Quattro upstream air/fuel ratio sensor service, this Denso OE Style unit is built to match the listed vehicle applications.
Common Issues This Sensor May Address
- Check engine light related to air/fuel ratio sensor faults
- Incorrect fuel trim readings
- Rough idle caused by inaccurate exhaust feedback
- Poor drivability from a failing upstream sensor
- Emissions test failure tied to sensor performance
Installation Notes
Verify the connector style, wire count, and thread diameter before installation. This is a specific-fit, heated upstream sensor, so confirm the vehicle application and sensor location match the listing before replacement. Use the existing harness routing and follow factory service procedures for proper installation.
Quality Assurance
Denso manufactures and tests these sensors to OE standards for consistent replacement quality and fit. The OE Style line is focused on direct replacement parts that match the original application requirements for the listed Audi vehicles.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2015 | Audi | RS5 | Upstream | OE Style |
| 2014 | Audi | RS5 | Upstream | OE Style |
| 2013 | Audi | RS5 | Upstream | OE Style |
| 2012 | Audi | A8 Quattro | Upstream | Cylinder 1,2,3,4; OE Style |
| 2011 | Audi | A8 Quattro | Upstream | Cylinder 1,2,3,4; OE Style |
| No rows match your filter. | ||||