Walker 250-25095 Oxygen Sensor - Upstream

Overview of Walker 250-25095 Oxygen Sensor for Mini Cooper

The Walker 250-25095 oxygen sensor is designed specifically for Mini Cooper models, ensuring precise emission control and optimal engine performance. This heated oxygen sensor features a threaded mounting type and a radiused polygon male connector for secure installation.

• Heated oxygen sensor for accurate emissions monitoring
• Specific fit for Mini Cooper vehicles
• 12-inch wiring harness length with 5 wires of 20 gauge
• Threaded mounting with 18.0 mm thread diameter
• Radiused polygon male connector for reliable connection
• Overall length of 15.74 inches for proper fitment

Detailed Product Description

The Walker 250-25095 oxygen sensor is engineered to meet the exact specifications required by Mini Cooper vehicles. Featuring a heated sensor type, it quickly reaches operating temperature to provide accurate oxygen level readings to the engine control unit. The sensor includes a 12-inch wiring harness with five 20-gauge wires, allowing for efficient signal transmission and durability. Its threaded mounting type with an 18.0 mm diameter ensures a secure and leak-free installation. The radiused polygon male connector is designed for a precise fit, reducing the risk of connection issues. With an overall length of 15.74 inches, this sensor fits seamlessly within the designated engine bay space.

Walker Products OE Brand Line Information

This oxygen sensor is part of the Walker Products OE line, which focuses on providing original equipment quality parts that meet or exceed factory specifications. The Walker Products OE line is tailored to deliver reliable emission control components, such as oxygen sensors, that maintain vehicle performance and comply with emission standards. The 250-25095 sensor reflects this commitment by offering a direct fit and dependable operation for Mini Cooper models.

Common Applications and Issues Addressed

• Restores accurate air-fuel mixture readings for improved fuel efficiency
• Resolves check engine light triggers related to oxygen sensor faults
• Helps reduce harmful emissions by ensuring proper catalytic converter function
• Eliminates rough idling or engine hesitation caused by faulty sensors
• Prevents failed emissions tests due to sensor malfunctions

Installation Notes and Tips

When installing the Walker 250-25095 oxygen sensor, ensure the engine is cool to avoid burns. Use the correct socket size for the 18.0 mm threaded sensor to prevent damage. Verify the radiused polygon male connector aligns properly with the vehicle harness to secure a firm connection. Avoid twisting or pulling on the wiring harness during installation to maintain wire integrity. It is recommended to check for any exhaust leaks around the sensor mounting area after installation.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet stringent quality standards, ensuring durability and reliable performance. While specific warranty details for part number 250-25095 should be confirmed at the point of purchase, Walker typically offers coverage against defects in materials and workmanship. This oxygen sensor is designed to maintain emission control system integrity and support long-term vehicle operation.