Walker 350-34198 Oxygen Sensor

Reliable Oxygen Sensor for Nissan and Infiniti Vehicles

The Walker 350-34198 oxygen sensor is designed specifically for select Nissan and Infiniti models, including the Armada, Pathfinder, QX56, Sentra, TITAN, and X-Trail. This heated oxygen sensor ensures accurate emissions monitoring and optimal engine performance.

• Heated sensor type for faster response times
• 16.06-inch wiring harness length for precise fitment
• 20 gauge wire measurement with 4 wires for reliable signal transmission
• Threaded mounting type with 18.0 mm thread diameter
• Radiused polygon male connector for secure electrical connection
• Overall length of 19.61 inches for proper installation

Walker Products Aftermarket Line Overview

The Walker Products Aftermarket line offers a range of emission control components engineered to meet or exceed OEM specifications. This oxygen sensor from the Walker Products Aftermarket series is built to provide consistent performance and durability, making it a suitable replacement part for Nissan and Infiniti vehicles requiring precise emissions control.

Detailed Product Description

The Walker 350-34198 oxygen sensor features a heated sensor element that allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. Its 4-wire design includes a dedicated heater circuit, enhancing sensor responsiveness. The 16.06-inch wiring harness length and radiused polygon male connector ensure a secure and exact fit for specific Nissan and Infiniti models. The threaded mounting type with an 18.0 mm diameter allows for straightforward installation in the designated exhaust port. This sensor is engineered for specific fitment, ensuring compatibility with models such as the Nissan Armada, Pathfinder, TITAN, Sentra, X-Trail, and Infiniti QX56.

Common Applications and Issues Addressed

• Helps maintain proper air-fuel mixture for efficient combustion
• Reduces harmful emissions by providing accurate oxygen level data
• Prevents engine performance issues related to faulty oxygen sensors
• Resolves check engine light triggers caused by sensor failure
• Improves fuel economy by enabling precise engine management

Installation Notes and Tips

Ensure the vehicle is cool before beginning installation to avoid burns. Use appropriate tools to remove the old sensor and install the Walker 350-34198 oxygen sensor by threading it into the exhaust port securely. Connect the 4-wire harness to the vehicle’s wiring system using the radiused polygon male connector, verifying a snug and proper fit. Avoid damaging the wiring harness during installation to maintain sensor functionality.

Quality Assurance and Warranty

Walker oxygen sensors are manufactured to meet strict quality standards for durability and performance. The 350-34198 part number is backed by Walker’s commitment to reliable aftermarket components. Please refer to Walker’s official documentation for specific warranty details applicable to this oxygen sensor.