Walker 250-23113 Oxygen Sensor - Upstream Left or Upstream Right

Overview of Walker 250-23113 Oxygen Sensor for Audi A4

The Walker 250-23113 oxygen sensor is designed specifically for Audi A4 and A4 Quattro models. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases effectively.

• Heated sensor type for faster response times
• Specific fit for Audi A4 and A4 Quattro
• Threaded mounting type with 18.0 mm thread diameter
• 14.29-inch wiring harness length with 3 wires of 20 gauge
• Radiused polygon male connector for secure connection
• Overall length of 17.83 inches for proper installation

Detailed Product Features and Specifications

This oxygen sensor from Walker Products OE is engineered with a heated sensor element to provide quicker warm-up and more accurate readings under various operating conditions. The 14.29-inch wiring harness length and 3-wire configuration with 20 gauge wire ensure reliable electrical connectivity. The sensor features a radiused polygon male connector designed to fit securely with the vehicle’s wiring harness. Its threaded mounting type with an 18.0 mm thread diameter allows for straightforward installation in the exhaust system. The overall length of 17.83 inches is optimized for the specific fitment requirements of Audi A4 and A4 Quattro models.

Walker Products OE Brand Line Information

The Walker Products OE line focuses on delivering original equipment quality parts that meet or exceed factory specifications. This oxygen sensor is part of that line, ensuring compatibility and performance consistent with the original sensor installed on Audi A4 vehicles. Using a Walker Products OE sensor helps maintain the vehicle’s emissions system integrity and supports compliance with environmental standards.

Common Applications and Issues Addressed

• Helps maintain proper air-fuel mixture for efficient combustion
• Reduces emissions by accurately monitoring oxygen levels in exhaust gases
• Prevents engine performance issues related to faulty oxygen sensors
• Addresses check engine light triggers related to oxygen sensor faults
• Supports smooth engine idling and acceleration in Audi A4 and A4 Quattro

Installation Notes and Tips

Ensure the vehicle is cool before beginning installation to avoid burns. Use the correct tools to remove the old sensor and install the Walker 250-23113 oxygen sensor. Verify the connector type matches the vehicle harness—this sensor uses a radiused polygon male connector. Thread the sensor carefully to avoid cross-threading and torque to manufacturer specifications. Inspect wiring for damage and secure connections to prevent signal loss.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet strict quality standards for durability and performance. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship. Using this sensor helps ensure reliable emissions control and engine management system operation in Audi A4 and A4 Quattro vehicles.