OE Quality
60-Day Returns

Denso 234-4879 Oxygen Sensor - Downstream or Downstream Left
Overview of the Denso OE Style Oxygen Sensor 234-4879
The Denso OE Style Oxygen Sensor 234-4879 is designed specifically for Porsche 911 and Macan models. This heated oxygen sensor features a threaded mounting type and a 26.69-inch wiring harness, ensuring precise fitment and reliable performance in emission control systems.
- Heated oxygen sensor for accurate emissions monitoring
- Specific fit for Porsche 911 and Macan vehicles
- Threaded mounting type with 0.708-inch thread diameter
- 26.69-inch wiring harness length with 4 wires
- Female connector for secure electrical connection
Detailed Product Description
The Denso OE Style 234-4879 oxygen sensor is engineered to meet the exact specifications of Porsche 911 and Macan models. Featuring a heated sensor type, it quickly reaches optimal operating temperature to provide accurate oxygen level readings. The sensor includes a 26.69-inch wiring harness with four wires, allowing for proper electrical integration with the vehicle’s engine management system. Its female connector and threaded mounting type with a 0.708-inch diameter ensure a secure and precise installation. This sensor is designed as a specific fit, not universal, to maintain OEM standards and vehicle compatibility.
The OE Style product line from Denso focuses on delivering parts that closely replicate original equipment specifications. This ensures that the 234-4879 oxygen sensor maintains the performance and reliability expected from factory-installed components, making it suitable for emission control systems in Porsche vehicles.
Common Applications and Issues Addressed
- Helps maintain proper air-fuel mixture for efficient combustion
- Reduces harmful emissions by providing accurate oxygen readings
- Prevents engine performance issues related to faulty sensors
- Resolves check engine light triggers caused by oxygen sensor faults
- Supports optimal fuel economy by ensuring sensor accuracy
Installation Notes and Tips
When installing the Denso 234-4879 oxygen sensor, ensure the threaded mounting hole is clean and free of debris. Use appropriate tools to avoid damaging the sensor or wiring harness. Verify the female connector is securely attached to the vehicle’s wiring harness to prevent electrical issues. This sensor is designed for specific Porsche 911 and Macan models, so confirm vehicle compatibility before installation.
Quality Assurance and Warranty
Denso manufactures the OE Style 234-4879 oxygen sensor to meet strict quality standards, ensuring durability and reliable performance in emission control applications. While specific warranty details are not provided here, Denso parts typically come with manufacturer-backed warranties to cover defects in materials and workmanship.
| Brand | Denso |
| Part Number | 234-4879 |
| Position | OE Style, Downstream and Downstream Left |
| Wiring Harness Length | 26.69 |
| Sensor Type | Heated |
| Universal Or Specific Fit | Specific |
| Wire Quantity | 4 |
| Connector Gender | Female |
| Thread Diameter | 0.708 |
| Mounting Type | Threaded |
This part fits 25 vehicles. Search below:
| Year | Make | Model | Submodel | Position | Notes |
|---|---|---|---|---|---|
| 2019 | Porsche | 911 | Downstream | OE Style | |
| 2018 | Porsche | Macan | Downstream Left | OE Style | |
| 2017 | Porsche | 911 | Downstream | OE Style | |
| 2017 | Porsche | Macan | Downstream Left | OE Style | |
| 2017 | Porsche | Macan | S | Downstream Left | OE Style |
| 2016 | Porsche | 911 | Downstream | OE Style | |
| 2016 | Porsche | 911 | GT3 | Downstream | OE Style |
| 2016 | Porsche | Macan | Downstream Left | OE Style | |
| 2015 | Porsche | 911 | GT3 | Downstream | OE Style |
| 2015 | Porsche | Macan | Downstream Left | OE Style | |
| 2014 | Porsche | 911 | GT3 | Downstream | OE Style |
| 2011 | Porsche | 911 | Downstream | OE Style | |
| 2009 | Porsche | 911 | Downstream | OE Style | |
| 2009 | Porsche | 911 | Turbo | Downstream | OE Style |
| 2008 | Porsche | 911 | Downstream | OE Style | |
| 2008 | Porsche | 911 | Turbo | Downstream | OE Style |
| 2008 | Porsche | 911 | Targa 4 | Downstream | OE Style |
| 2008 | Porsche | 911 | Carrera | Downstream | OE Style |
| 2008 | Porsche | 911 | Carrera 4 | Downstream | OE Style |
| 2007 | Porsche | 911 | Downstream | OE Style | |
| 2007 | Porsche | 911 | Turbo | Downstream | OE Style |
| 2007 | Porsche | 911 | Targa 4 | Downstream | OE Style |
| 2007 | Porsche | 911 | Carrera | Downstream | OE Style |
| 2007 | Porsche | 911 | Carrera 4 | Downstream | OE Style |
| 2006 | Porsche | 911 | Downstream | OE Style |
* 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.