Walker 350-34571 Oxygen Sensor - Downstream Left or Downstream Right

Overview of Walker Oxygen Sensor 350-34571

The Walker 350-34571 oxygen sensor is designed specifically for select INFINITI and Nissan models, including the 300ZX and Q45. 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 300ZX and Nissan Q45
• Threaded mounting type with 18.0 mm thread diameter
• 26.3-inch wiring harness length with radiused polygon female connector
• Wire gauge measurement of 20 for reliable electrical performance
• Overall length of 29.84 inches for proper installation

Detailed Product Description

This Walker Products Aftermarket oxygen sensor (part number 350-34571) features a heated sensor element that allows for faster warm-up times and improved emissions monitoring. The sensor is designed with a 4-wire setup, including a radiused polygon female connector, ensuring a secure and precise electrical connection. The 26.3-inch wiring harness length and 29.84-inch overall length provide adequate reach and fitment for the specific mounting locations on the INFINITI 300ZX and Nissan Q45 models. The threaded mounting type with an 18.0 mm diameter allows for straightforward installation and compatibility with factory exhaust ports.

Walker Products Aftermarket Line

The Walker Products Aftermarket line focuses on delivering reliable emission control components tailored to exact vehicle specifications. This oxygen sensor is part of that line, engineered to meet or exceed OEM standards for fit, form, and function. By using this sensor, technicians and vehicle owners can maintain proper emissions performance and engine efficiency on compatible INFINITI and Nissan vehicles.

Common Applications and Issues Addressed

• Restores accurate air-fuel ratio readings for engine control
• Helps resolve rough idling and poor fuel economy
• Reduces emissions-related check engine light triggers
• Prevents failed emissions tests due to faulty sensor readings
• Improves overall engine performance and drivability

Installation Notes and Tips

Ensure the vehicle is cool before removing the old oxygen sensor to avoid burns. Use an oxygen sensor socket or appropriate tool to avoid damaging the sensor or wiring. Verify the connector type matches the vehicle harness before installation. Thread the sensor carefully to avoid cross-threading and torque to manufacturer specifications. The 4-wire heated sensor requires proper electrical connections for heater circuit functionality.

Quality Assurance and Warranty

Walker oxygen sensors are manufactured to meet strict quality standards for durability and performance. This part number 350-34571 undergoes rigorous testing to ensure reliable operation in emission control systems. Warranty coverage details should be confirmed with the product documentation or supplier, as they may vary.