Walker 250-25043 Oxygen Sensor

Overview of Walker Products OE Oxygen Sensor 250-25043

The Walker Products OE Oxygen Sensor 250-25043 is designed for precise emission control in select BMW, Dodge, INFINITI, and Mercedes-Benz vehicles. This heated oxygen sensor ensures accurate air-fuel mixture readings to maintain optimal engine performance and emissions compliance.

• Heated sensor type for faster response times
• Specific fit for various BMW, Dodge, INFINITI, and Mercedes-Benz models
• 19.21-inch wiring harness length with 5 wires of 20 gauge
• Radiused polygon male connector for secure connection
• Threaded mounting with 18.0 mm thread diameter
• Overall length of 22.76 inches for proper installation

Detailed Features and Specifications

This oxygen sensor from Walker Products OE features a heated sensor element that allows quicker warm-up and more accurate oxygen level detection. The 5-wire design with 20 gauge wiring ensures reliable signal transmission and durability. The wiring harness length of 19.21 inches provides sufficient reach for installation in the engine bay. The sensor’s radiused polygon male connector is designed for a secure and precise fit, reducing the risk of connection issues. Threaded mounting with an 18.0 mm diameter allows for straightforward installation in compatible exhaust systems.

Walker Products OE Brand Line Information

Walker Products OE focuses on delivering original equipment quality emission control components. This oxygen sensor is engineered to meet or exceed OEM specifications, ensuring compatibility and performance for the vehicles it serves. The OE line emphasizes precise fitment and reliable operation, making it suitable for professional repairs and maintenance.

Compatible Vehicles and Applications

This oxygen sensor 250-25043 is compatible with a range of BMW, Dodge, INFINITI, and Mercedes-Benz models, including but not limited to BMW 328d, 535d, 550i, and Mercedes-Benz C43 AMG, E63 AMG, GLS63 AMG, as well as INFINITI Q50 and Dodge Sprinter 2500. It is designed for specific fitment, ensuring proper function and integration with the vehicle’s emission system.

• Helps resolve engine performance issues related to incorrect air-fuel mixture
• Addresses check engine light triggers caused by faulty oxygen sensors
• Improves fuel efficiency by providing accurate oxygen level data
• Reduces harmful emissions by enabling proper catalytic converter operation
• Prevents rough idling and engine hesitation linked to sensor failure

Installation Notes and Tips

When installing the Walker Products OE oxygen sensor 250-25043, ensure the engine is cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the threaded mounting hole. Verify the connector shape and wiring harness length match the vehicle’s specifications. Proper torque should be applied to the threaded sensor to prevent leaks and ensure sensor longevity.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet strict quality standards and OEM specifications. While specific warranty details are not provided here, Walker typically offers coverage against defects in materials and workmanship. Using this sensor helps maintain emission compliance and engine performance in compatible BMW, Dodge, INFINITI, and Mercedes-Benz vehicles.