Walker 250-25005 Oxygen Sensor

Overview of Walker Products OE Oxygen Sensor 250-25005

The Walker Products OE Oxygen Sensor 250-25005 is designed for precise emission control in specific vehicle models including Cadillac, INFINITI, Nissan, Subaru, Suzuki, and Volvo. 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 Cadillac, INFINITI, Nissan, Subaru, Suzuki, and Volvo models
• 21.18-inch wiring harness length with 5 wires of 20 gauge
• Threaded mounting type with 18.0 mm thread diameter
• Radiused polygon male connector for secure connection
• Overall length of 24.72 inches for proper installation depth

Detailed Product Features and Specifications

This oxygen sensor from Walker Products OE features a heated sensor element that allows quicker activation and more accurate oxygen level detection in the exhaust stream. The 5-wire configuration with 20 gauge wiring supports reliable signal transmission and heater circuit operation. The wiring harness length of 21.18 inches provides sufficient reach for installation in the exhaust system. The sensor mounts via an 18.0 mm threaded fitting, ensuring a secure and leak-free connection. The radiused polygon male connector is designed for a specific fit, preventing misconnection and ensuring compatibility with factory wiring harnesses.

Walker Products OE Brand Line Information

The Walker Products OE line focuses on delivering emission control components that meet original equipment specifications. This oxygen sensor 250-25005 is engineered to match the exact fit and function required by the vehicle manufacturers, supporting emission standards and engine management systems. Using Walker Products OE parts helps maintain factory-level performance and reliability in emission control systems.

Compatible Vehicles and Applications

• Cadillac models including CTS, SRX, STS, XLR
• INFINITI models such as FX35, FX45, G35, M35, M45, Q45, QX56
• Nissan models including 350Z, Altima, Armada, Frontier, Maxima, Murano, Pathfinder, Quest, TITAN, Xterra
• Subaru models like Forester, Impreza, Legacy, Outback
• Suzuki Equator
• Volvo C70, S70, V70

Common Issues Addressed by Oxygen Sensor 250-25005

• 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. Disconnect the battery to prevent electrical shorts. Remove the old oxygen sensor carefully to avoid damaging the exhaust threads. Use anti-seize compound on the sensor threads if recommended by the vehicle manufacturer. Connect the radiused polygon male connector securely to the factory harness. Verify proper wiring and sensor orientation before final tightening.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet or exceed OEM standards for fit, form, and function. This part number 250-25005 undergoes rigorous testing to ensure durability and reliable performance in emission control systems. Warranty coverage details should be confirmed with the product documentation or supplier.