Walker 250-25017 Oxygen Sensor - Downstream, Upstream, Upstream Left or Upstream Right

Overview of Walker Products OE Oxygen Sensor 250-25017

The Walker Products OE Oxygen Sensor 250-25017 is designed for precise emission control in specific vehicle models including Audi, Dodge, Fiat, Hyundai, and Kia. This heated oxygen sensor ensures accurate air-fuel mixture readings to support optimal engine performance and emissions compliance.

• Heated sensor type for faster response times
• Specific fit for select Audi, Dodge, Fiat, Hyundai, and Kia models
• 23.15-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 26.69 inches for proper installation depth

Detailed Product Features and Specifications

This oxygen sensor features a heated element to quickly reach operating temperature, improving sensor response and reducing emissions during cold starts. The wiring harness length of 23.15 inches and 5-wire configuration with 20 gauge wire ensures reliable electrical connectivity. The radiused polygon male connector provides a secure and precise fit, minimizing the risk of disconnection or signal loss. The sensor mounts via a threaded design with an 18.0 mm diameter, compatible with the exhaust system ports of the specified vehicles. Overall length of 26.69 inches allows for proper positioning within the exhaust stream.

Walker Products OE Brand Line Information

The Walker Products OE line focuses on delivering original equipment quality parts that meet or exceed OEM specifications. This oxygen sensor 250-25017 is engineered to match the exact fit and function required by the vehicle manufacturers, ensuring consistent performance and durability. The OE line is intended for professional repair and maintenance applications where reliability and compliance with emissions standards are critical.

Compatible Vehicles and Common Applications

• Compatible with Audi models including A3 Sportback e-tron, A4, A4 Quattro, A5 Quattro, A6, A6 Quattro, A7 Quattro, A8 Quattro, Q5, Q7, S4, S5, and SQ5
• Fits Dodge Dart
• Fits Fiat 500 and 500L
• Compatible with Hyundai Accent, Elantra, Forte, Forte Koup, Genesis Coupe, Ioniq, Niro, Optima, Rio, Rondo, Sonata, and Soul
• Fits Kia Forte, Optima, Rio, Rondo, and Soul

Common Issues Addressed by Oxygen Sensor 250-25017

• Incorrect air-fuel mixture readings causing poor fuel economy
• Check engine light triggered by faulty oxygen sensor signals
• Increased emissions due to sensor malfunction
• Engine performance issues such as rough idling or hesitation
• Failed emissions tests related to sensor degradation

Installation Notes and Tips

Ensure the vehicle is cool before beginning installation to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the exhaust threads. Verify the connector shape and gender match the vehicle harness before installation. Thread the sensor carefully to prevent cross-threading and torque to manufacturer specifications. Confirm wiring harness routing avoids heat sources and moving parts.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet strict quality standards and OEM specifications. This part number 250-25017 undergoes rigorous testing to ensure durability and accurate sensor performance. Warranty coverage details should be confirmed with the parts provider or manufacturer documentation.