Walker 350-34646 Oxygen Sensor

Overview of Walker Oxygen Sensor 350-34646

The Walker 350-34646 oxygen sensor is designed specifically for select Infiniti and Nissan models, including the Altima, FX45, M45, Murano, Q45, Sentra, and X-Trail. 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 design for reliable operation
• Specific fit for Infiniti and Nissan models such as Altima, Murano, and Sentra
• Threaded mounting type with an 18.0 mm thread diameter for secure installation
• 12.13-inch wiring harness length and 15.67-inch overall length for proper fitment
• Radiused polygon male connector for precise electrical connection
• 20 gauge wire measurement ensuring durability and signal integrity

Walker Products Aftermarket Line Details

The Walker Products Aftermarket line focuses on providing replacement emission control components that meet or exceed OEM specifications. The 350-34646 oxygen sensor is part of this line, offering a direct-fit solution engineered to maintain factory performance and emissions standards for compatible Infiniti and Nissan vehicles.

Product Features and Specifications

This oxygen sensor features a heated sensor type that allows for quicker activation and more accurate readings under various operating conditions. The 4-wire configuration supports both the sensor signal and heater circuit, improving responsiveness and durability. The sensor’s threaded mounting type with an 18.0 mm diameter ensures a secure and leak-free installation. The wiring harness length of 12.13 inches and overall length of 15.67 inches are designed to match the factory specifications for the listed vehicle models. The radiused polygon male connector provides a reliable electrical connection, reducing the risk of corrosion or disconnection.

Common Applications and Problem Resolution

• Restores accurate air-fuel ratio readings for improved engine efficiency
• Resolves check engine light issues related to oxygen sensor faults
• Helps correct rough idling or poor fuel economy caused by faulty sensors
• Supports emissions compliance by maintaining proper sensor function
• Prevents drivability problems linked to sensor failure in Infiniti and Nissan models

Installation Notes and Tips

Ensure the vehicle is cool before beginning installation to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the threaded mounting hole. Verify the connector type matches the vehicle harness before installation. Tighten the sensor to the manufacturer’s torque specifications to prevent leaks. Inspect wiring for damage and secure the harness to prevent strain or disconnection.

Quality Assurance and Warranty

The Walker 350-34646 oxygen sensor is manufactured to meet strict quality standards consistent with Walker Products Aftermarket guidelines. This part is engineered for durability and reliable performance in emission control systems. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.