Walker 350-34233 Oxygen Sensor - Downstream Rear

Overview of Walker Oxygen Sensor 350-34233

The Walker 350-34233 oxygen sensor is designed specifically for select INFINITI and Nissan models, including the I35 and Maxima. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data to the vehicle's engine management system.

• Heated oxygen sensor with 4-wire configuration
• Specific fit for INFINITI I35 and Nissan Maxima
• Threaded mounting type with 18.0 mm thread diameter
• Radiused polygon male connector for secure connection
• Wiring harness length of 37.13 inches and overall length of 40.67 inches
• Wire gauge measurement of 20 for reliable signal transmission

Detailed Product Description

This Walker Products Aftermarket oxygen sensor (part number 350-34233) features a heated sensor element that allows for faster warm-up times and improved sensor responsiveness. The 4-wire design includes two wires for the heating element and two for the sensor signal, ensuring stable and accurate readings. The sensor is designed with a threaded mounting type and an 18.0 mm thread diameter, making installation straightforward on compatible INFINITI I35 and Nissan Maxima models. The radiused polygon male connector provides a secure and precise fit, reducing the risk of connection issues. With a wiring harness length of 37.13 inches and an overall length of 40.67 inches, this sensor is engineered to match factory specifications for proper fit and function.

Walker Products Aftermarket Line

The Walker Products Aftermarket line focuses on delivering reliable emission control components that meet or exceed OEM standards. This oxygen sensor is part of that line, offering a direct replacement solution engineered for specific vehicle applications. The product line emphasizes quality materials and precise manufacturing to support emission compliance and engine efficiency.

Common Applications and Issues Addressed

• Restores accurate air-fuel ratio readings for improved fuel economy
• Helps resolve check engine light triggers related to oxygen sensor faults
• Reduces emissions by ensuring proper catalytic converter function
• Eliminates rough idling or engine hesitation caused by faulty sensors
• Prevents failed emissions tests due to sensor malfunction

Installation Notes and Tips

When installing the Walker 350-34233 oxygen sensor, ensure the vehicle is cool to avoid burns. Use an oxygen sensor socket or appropriate tool to remove the old sensor carefully. Verify the connector type matches the vehicle harness before installation. Thread the sensor by hand initially to avoid cross-threading, then tighten to manufacturer torque specifications. It is recommended to inspect wiring and connectors for damage during replacement.

Quality Assurance and Warranty

Walker oxygen sensors undergo rigorous testing to meet emission control standards and durability requirements. The 350-34233 sensor is manufactured to precise specifications for INFINITI I35 and Nissan Maxima applications. While specific warranty details are not provided here, Walker Products Aftermarket parts typically come with a limited warranty covering defects in materials and workmanship.