Walker 350-34698 Oxygen Sensor - Downstream, Downstream Left or Downstream Right

Overview of Walker 350-34698 Oxygen Sensor

The Walker 350-34698 oxygen sensor is a heated, threaded sensor designed specifically for select Chevrolet, INFINITI, and Nissan models. This sensor ensures accurate emission control by monitoring oxygen levels in the exhaust system, helping maintain optimal engine performance and fuel efficiency.

• Heated oxygen sensor with 4 wires for precise readings
• Specific fit for Chevrolet Avalanche 1500, Suburban 1500, and Nissan Frontier, Murano, Pathfinder, QX60, Rogue, Xterra
• 9.37-inch wiring harness length with 20 gauge wire for durability
• Radiused polygon male connector for secure connection
• Threaded mounting type with 18.0 mm thread diameter
• Overall length of 12.91 inches for proper installation depth

Detailed Product Description

This Walker Products Aftermarket oxygen sensor (part number 350-34698) is engineered to meet the exact specifications of your vehicle’s emission system. Featuring a heated sensor type, it quickly reaches operating temperature to provide accurate oxygen level data to the engine control unit. The 4-wire design includes a dedicated heater circuit, improving sensor response time and reliability. The wiring harness length of 9.37 inches and 20 gauge wire gauge measurement ensure robust electrical connections, while the radiused polygon male connector offers a secure and precise fit. The sensor’s threaded mounting type with an 18.0 mm thread diameter allows for straightforward installation in the exhaust manifold or pipe. This oxygen sensor is compatible with specific Chevrolet and Nissan models, including the Avalanche 1500, Suburban 1500, Frontier, Murano, Pathfinder, QX60, Rogue, and Xterra.

Walker Products Aftermarket Line Information

The Walker Products Aftermarket line focuses on providing reliable emission control components that meet or exceed OEM standards. This product line emphasizes precise fitment and durability, ensuring that parts like the 350-34698 oxygen sensor integrate seamlessly with your vehicle’s existing systems. By using Walker Products Aftermarket parts, you maintain the integrity of your vehicle’s emission controls and support compliance with environmental regulations.

Common Applications and Issues Addressed

• Restores accurate oxygen level readings for improved fuel efficiency
• Resolves engine performance issues related to faulty oxygen sensors
• Helps reduce harmful emissions by maintaining proper air-fuel mixture
• Eliminates check engine light triggers caused by sensor failure
• Prevents rough idling and poor acceleration linked to sensor problems

Installation Notes and Tips

When installing the Walker 350-34698 oxygen sensor, ensure the engine and exhaust system are cool to avoid burns. Use a proper oxygen sensor socket to avoid damaging the sensor or connector. Verify the connector’s radiused polygon shape and male gender match the vehicle’s wiring harness. Apply anti-seize compound to the threaded portion if recommended by the vehicle manufacturer to facilitate future removal. Confirm the sensor is threaded securely without over-tightening to prevent damage.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors undergo rigorous testing to meet industry standards for durability and performance. The 350-34698 part number is manufactured to provide consistent sensor output and long service life. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship, supporting reliable operation in Chevrolet Avalanche 1500, Suburban 1500, and Nissan Frontier, Murano, Pathfinder, QX60, Rogue, and Xterra models.