Walker 250-54035 Oxygen Sensor

Overview of Walker Products OE Oxygen Sensor 250-54035

The Walker Products OE Oxygen Sensor 250-54035 is designed for precise emission control in select Nissan, Infiniti, and Suzuki vehicles. This heated oxygen sensor ensures accurate air-fuel mixture readings to maintain optimal engine performance and emissions compliance.

• Heated oxygen sensor with 4-wire design for reliable operation
• Specific fit for Nissan 350Z, Altima, Maxima, Rogue, and more
• 12.32-inch wiring harness length with 20-gauge wire for durability
• Threaded mounting type with 18.0 mm thread diameter for secure installation
• Radiused polygon male connector for exact OEM compatibility
• Overall length of 15.87 inches to fit designated vehicle applications

Detailed Product Description

This Walker Products OE oxygen sensor (part number 250-54035) features a heated sensor element that allows for faster warm-up times and improved sensor response. The 4-wire configuration includes two wires for the heater circuit and two for the sensor signal, ensuring accurate oxygen level detection. The sensor’s 12.32-inch wiring harness and 20-gauge wire provide a robust connection, while the radiused polygon male connector matches factory specifications for a seamless fit. The threaded mounting type with an 18.0 mm diameter ensures secure attachment to the exhaust system. This sensor is specifically designed for compatibility with Nissan models such as the 350Z, 370Z, Altima, Maxima, Rogue, Sentra, and Versa, as well as Infiniti models including the EX35, FX35, G35, G37, M35, and M37, plus Suzuki vehicles like the Equator and Xterra.

Walker Products OE Brand Line Information

The Walker Products OE line focuses on delivering direct-fit emission control components that meet original equipment specifications. This oxygen sensor is engineered to match the exact fit, form, and function of the factory-installed sensor, ensuring reliable performance and compliance with emissions standards. The OE line emphasizes quality materials and precise manufacturing processes to support vehicle longevity and emission system efficiency.

Common Applications and Issues Addressed

• Restores accurate air-fuel ratio readings for improved fuel economy
• Resolves check engine light triggers related to oxygen sensor faults
• Helps reduce harmful exhaust emissions by maintaining proper combustion
• Eliminates rough idling or engine hesitation caused by faulty sensors
• Prevents failed emissions tests due to sensor malfunction

Installation Notes and Tips

Installation requires removal of the old oxygen sensor from the exhaust manifold or pipe. Use an oxygen sensor socket or appropriate wrench to avoid damage. Ensure the threaded mounting hole is clean before installing the new sensor. Connect the radiused polygon male connector securely to the vehicle’s wiring harness. It is recommended to check for any exhaust leaks after installation and clear any diagnostic trouble codes with a scan tool.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet or exceed OEM standards for durability and performance. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship. This ensures confidence in the sensor’s reliability for emission control applications in Nissan, Infiniti, and Suzuki vehicles.