OE Quality
60-Day Returns

Walker 250-25129 Oxygen Sensor - Upstream Right
Overview of Walker Products OE Oxygen Sensor 250-25129
The Walker Products OE Oxygen Sensor 250-25129 is designed specifically for Porsche 718 Boxster and 718 Cayman models. This heated oxygen sensor features a threaded mounting type and a radiused polygon male connector, ensuring precise fitment and reliable performance.
- Heated oxygen sensor for accurate emissions control
- Specific fit for Porsche 718 Boxster and 718 Cayman
- Threaded mounting with 18.0 mm thread diameter
- 41.53 inches wiring harness length with 5 wires of 20 gauge
- Radiused polygon male connector for secure connection
- Overall length of 46.25 inches for proper installation
Detailed Product Features and Specifications
This Walker Products OE oxygen sensor (part number 250-25129) is engineered with a heated sensor element to provide faster response times and improved fuel management. The sensor includes a 41.53-inch wiring harness with five 20-gauge wires, allowing for optimal electrical connectivity. Its radiused polygon male connector ensures a secure and precise fit, reducing the risk of connection issues. The threaded mounting type with an 18.0 mm diameter thread allows for straightforward installation in the exhaust system of Porsche 718 Boxster and 718 Cayman vehicles. The overall length of 46.25 inches accommodates proper placement within the vehicle’s emission control system.
Walker Products OE Brand Line Information
The Walker Products OE line focuses on delivering original equipment quality parts designed to meet or exceed factory specifications. This oxygen sensor is part of that line, ensuring compatibility and performance tailored to specific vehicle applications like the Porsche 718 Boxster and 718 Cayman. The OE designation indicates that this sensor matches the fit, form, and function of the original sensor installed by the manufacturer.
Common Applications and Issues Addressed
- Restores accurate oxygen sensing for proper air-fuel mixture control
- Helps resolve check engine light codes related to oxygen sensor failure
- Improves fuel efficiency by providing precise emissions data
- Reduces harmful exhaust emissions by maintaining sensor accuracy
- Prevents drivability issues caused by faulty oxygen sensors
Installation Notes and Tips
When installing the Walker Products OE oxygen sensor 250-25129, ensure the threaded mounting hole is clean and free of debris. Use anti-seize compound on the threads if recommended by the vehicle manufacturer to prevent seizing. Verify the connector matches the radiused polygon male shape for a secure connection. Handle the wiring harness carefully to avoid damage to the 20-gauge wires. Proper torque specifications should be followed to avoid sensor damage or exhaust leaks.
Quality Assurance and Warranty
Walker Products OE oxygen sensors are manufactured to meet strict quality standards, ensuring durability and reliable performance. This part number 250-25129 undergoes rigorous testing to comply with emissions control requirements. Warranty coverage details should be confirmed with the product documentation or supplier, as it may vary by region.
| Brand | Walker |
|---|---|
| Part Number | 250-25129 |
| Position | Walker Products OE, Upstream Right |
| Connector Gender | Male |
| Connector Shape | Radiused Polygon |
| Mounting Type | Threaded |
| Overall Length | 46.25 |
| Sensor Type | Heated |
| Thread Diameter | 18.0 |
| Universal Or Specific Fit | Specific |
| Wire Gauge Measurement | 20 |
| Wire Quantity | 5 |
| Wiring Harness Length | 41.53 |
This part fits 14 vehicles. Search below:
| Year | Make | Model | Submodel | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 2020 | Porsche | 718 Boxster | 2.5L | H4 | Upstream Right | OE Base Sensor | ||
| 2020 | Porsche | 718 Cayman | 2.5L | H4 | Upstream Right | OE Base Sensor | ||
| 2019 | Porsche | 718 Boxster | 2.5L | H4 | Upstream Right | OE Base Sensor | ||
| 2019 | Porsche | 718 Cayman | 2.5L | H4 | Upstream Right | OE Base Sensor | ||
| 2018 | Porsche | 718 Boxster | S | 2.5L | H4 | GAS | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products OE |
| 2018 | Porsche | 718 Boxster | GTS | 2.5L | H4 | GAS | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products OE |
| 2018 | Porsche | 718 Boxster | Base | 2.0L | H4 | GAS | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products OE |
| 2018 | Porsche | 718 Cayman | S | 2.5L | H4 | GAS | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products OE |
| 2018 | Porsche | 718 Cayman | GTS | 2.5L | H4 | GAS | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products OE |
| 2018 | Porsche | 718 Cayman | Base | 2.0L | H4 | GAS | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products OE |
| 2017 | Porsche | 718 Boxster | S | 2.5L | H4 | GAS | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products OE |
| 2017 | Porsche | 718 Boxster | Base | 2.0L | H4 | GAS | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products OE |
| 2017 | Porsche | 718 Cayman | S | 2.5L | H4 | GAS | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products OE |
| 2017 | Porsche | 718 Cayman | Base | 2.0L | H4 | GAS | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products OE |
* 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.