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Walker 250-241287 Oxygen Sensor - Downstream
Overview of Walker OE Base Sensor Oxygen Sensor
The Walker OE Base Sensor 250-241287 is a heated narrow-band oxygen sensor designed specifically for select Fiat and Jeep models. Engineered to provide accurate emissions data, this sensor supports optimal engine performance and emission control.
- Heated narrow-band oxygen sensor for precise air-fuel mixture monitoring
- Specific fit for Fiat 500X and Jeep Renegade models
- Four-wire design with pin terminal type and oblong female connector
- Thread size M18 - 1.5 with 22mm wrench size for installation
- OE Base Sensor product line ensuring compatibility and quality
Detailed Product Features and Specifications
This Walker oxygen sensor features a heated element to ensure rapid sensor activation and accurate readings under various operating conditions. The narrow-band sensor type is designed to detect oxygen levels in the exhaust stream, enabling the engine control unit to adjust fuel delivery for efficient combustion. The sensor includes four wires with male terminals and a female oblong connector, providing a secure electrical connection. Its thread size of M18 - 1.5 and 22mm wrench size allow for straightforward installation in compatible exhaust manifolds or pipes.
The OE Base Sensor line by Walker focuses on delivering original equipment quality and fitment, making this sensor a reliable replacement part for the Fiat 500X and Jeep Renegade. This product line emphasizes precise fit and function, reducing the risk of installation issues and ensuring consistent sensor performance.
Applications and Common Issues Addressed
- Restores accurate oxygen sensing for proper air-fuel ratio control
- Helps resolve engine performance problems such as rough idling or hesitation
- Reduces emissions by enabling correct fuel mixture adjustments
- Prevents check engine light triggers related to oxygen sensor faults
- Supports compliance with emission regulations for Fiat 500X and Jeep Renegade
Installation Notes and Tips
When installing the Walker OE Base Sensor 250-241287, ensure the vehicle is compatible with this specific fitment for Fiat 500X and Jeep Renegade models. Use a 22mm wrench to remove the old sensor and install the new one, taking care not to damage the wiring or connector. The four-wire heated design requires proper connection to the vehicle’s wiring harness, matching the pin and terminal genders as specified. It is recommended to check for exhaust leaks and sensor wiring integrity during installation.
Quality Assurance and Warranty
Walker’s OE Base Sensor line is manufactured to meet or exceed original equipment specifications, ensuring reliable performance and durability. This oxygen sensor undergoes rigorous testing to confirm fitment and function for the Fiat 500X and Jeep Renegade. Warranty details are provided by Walker and should be verified at the time of purchase for coverage specifics.
| Brand | Walker |
| Part Number | 250-241287 |
| Position | OE Base Sensor, Downstream |
| Heated | Yes |
| Sensor Type | Narrow-band |
| Terminal Type | Pin |
| Universal Or Specific Fit | Specific |
| Wire Quantity | 4 |
| Connector Shape | Oblong |
| Terminal Quantity | 4 |
| Connector Gender | Female |
| Terminal Gender | Male |
| Wrench Size | 22 |
| Thread Size | M18 - 1.5 |
This part fits 5 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2021 | Jeep | Renegade | 1.3L | L4 | Downstream | B1S2; OE Base Sensor |
| 2020 | Fiat | 500X | 1.3L | L4 | Downstream | B1S2; OE Base Sensor |
| 2020 | Jeep | Renegade | 1.3L | L4 | Downstream | B1S2; OE Base Sensor |
| 2019 | Fiat | 500X | 1.3L | L4 | Downstream | B1S2; OE Base Sensor |
| 2019 | Jeep | Renegade | 1.3L | L4 | Downstream | B1S2; OE Base Sensor |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.