OE Quality
60-Day Returns

Bosch 16170 Oxygen Sensor - Downstream
Overview of Bosch Actual OE Oxygen Sensor 16170
The Bosch Actual OE Oxygen Sensor 16170 is designed specifically for Porsche Cayenne models, ensuring precise emission control and optimal engine performance. This narrow-band heated oxygen sensor features a threaded mounting type and a durable metal housing for reliable operation.
- Compatible with Porsche Cayenne vehicles
- Part number 16170 for exact fitment
- Narrow-band heated oxygen sensor type
- Threaded mounting with 18 mm thread diameter
- 28.1-inch wiring harness length with connector included
- Blade terminal type with 4 terminals and male gender
- Oblong male connector shape for secure connection
- Standard replacement grade for dependable performance
- Steel finish with metal housing for durability
- Overall length of 31.5 inches for proper installation
About the Bosch Actual OE Oxygen Sensor Product Line
The Bosch Actual OE Oxygen Sensor line is engineered to meet original equipment specifications, providing a direct replacement for factory-installed sensors. This ensures compatibility and performance consistency for vehicles like the Porsche Cayenne. The product line focuses on delivering reliable emission control components that maintain engine efficiency and comply with environmental standards.
Detailed Product Description
This Bosch oxygen sensor 16170 is a narrow-band heated sensor designed to monitor oxygen levels in the exhaust gases of Porsche Cayenne vehicles. The heated element allows the sensor to reach operating temperature quickly, improving fuel mixture adjustments and reducing emissions. The sensor features a threaded mounting type with an 18 mm thread diameter and a 22 mm hex size for installation using standard tools. The wiring harness is 28.1 inches long and includes a male oblong connector with four blade terminals, ensuring a secure and precise electrical connection. Constructed with a steel finish and metal housing, this sensor offers durability and resistance to harsh engine conditions.
Common Applications and Issues Addressed
- Restores accurate air-fuel ratio readings for Porsche Cayenne
- Resolves engine performance issues related to faulty oxygen sensors
- Helps reduce emissions and pass vehicle inspections
- Prevents rough idling and poor fuel economy
- Eliminates check engine light triggers related to oxygen sensor faults
Installation Notes and Tips
When installing the Bosch Actual OE Oxygen Sensor 16170, ensure the sensor is threaded securely into the exhaust manifold or pipe using a 22 mm hex socket. Avoid over-tightening to prevent damage to the sensor or mounting threads. The wiring harness length of 28.1 inches provides sufficient reach for proper routing without strain. Confirm the male oblong connector aligns correctly with the vehicle’s wiring harness to ensure a reliable electrical connection. This sensor is a specific fit for Porsche Cayenne models, so verify vehicle compatibility before installation.
Quality Assurance and Warranty
Bosch oxygen sensors are manufactured to meet stringent quality standards, ensuring consistent performance and durability. The Actual OE Oxygen Sensor line is designed to match original equipment specifications, providing reliable emission control. While specific warranty details are not provided here, Bosch typically offers limited warranties on their emission control components. Refer to Bosch or the vehicle manufacturer for exact warranty coverage.
| Brand | Bosch |
| Part Number | 16170 |
| Position | Actual OE Oxygen Sensor, Downstream |
| Wiring Harness Length | 28.1 |
| Terminal Type | Blade |
| Universal Or Specific Fit | Specific |
| Wire Quantity | 3 |
| Grade Type | Standard replacement |
| Connector Shape | Oblong |
| Terminal Quantity | 4 |
| Connector Gender | Male |
| Terminal Gender | Male |
| Overall Length | 31.5 |
| Mounting Type | Threaded |
| Automotive Color / Finish | Steel |
| Automotive Item Weight (lbs) | 0.242508 lb |
| Heated (Oxygen Sensor) | Yes |
| Hex Size (Oxygen Sensor) | 22 mm |
| Housing Material | Metal |
| Length (Sealing Surface To End Of Connector) | 30.3 in |
| Mounting Bracket Included | No |
| Oxygen Sensor Type | Narrow-band heated |
| Sensor Type | Narrow-band |
| Thread Diameter (Oxygen Sensor) | 18 mm |
| Thread Size | 18 |
| Wiring Harness Included | Yes |
This part fits 4 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2006 | Porsche | Cayenne | 4.5L | V8 | Downstream | Actual OE Oxygen Sensor |
| 2005 | Porsche | Cayenne | 4.5L | V8 | Downstream | Actual OE Oxygen Sensor |
| 2004 | Porsche | Cayenne | 4.5L | V8 | Downstream | Actual OE Oxygen Sensor |
| 2003 | Porsche | Cayenne | 4.5L | V8 | Downstream | Actual OE Oxygen Sensor |
* 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.