Walker 350-64077 Oxygen Sensor - Upstream Left or Upstream Right

Overview of Walker 350-64077 Oxygen Sensor for Land Rover

The Walker 350-64077 oxygen sensor is designed specifically for select Land Rover models, including the LR4, Range Rover, and Range Rover Sport. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases effectively.

• Heated oxygen sensor with 4-wire design for precise readings
• Specific fit for Land Rover LR4, Range Rover, and Range Rover Sport
• Threaded mounting type with 18.0 mm thread diameter
• Radiused polygon male connector for secure electrical connection
• Wiring harness length of 8.39 inches and overall length of 11.93 inches
• Wire gauge measurement of 20 for reliable signal transmission

Detailed Product Description

This Walker oxygen sensor (part number 350-64077) is engineered to meet the exact specifications required by Land Rover vehicles such as the LR4, Range Rover, and Range Rover Sport. Featuring a heated sensor type, it quickly reaches operating temperature to provide accurate oxygen level readings. The sensor includes a 4-wire configuration, which supports both the heating element and signal wires, ensuring consistent performance under various driving conditions.

The threaded mounting type with an 18.0 mm diameter allows for straightforward installation in the exhaust system. The radiused polygon male connector is designed to fit securely with the vehicle’s wiring harness, minimizing the risk of connection issues. With a wiring harness length of 8.39 inches and an overall length of 11.93 inches, this sensor fits precisely without excess slack or tension.

Walker Products Aftermarket Line

The Walker Products Aftermarket line focuses on providing reliable emission control components that meet or exceed OEM standards. This oxygen sensor is part of that line, offering a direct replacement solution tailored for specific vehicle applications. The product line emphasizes durability and compatibility, ensuring that the 350-64077 sensor integrates seamlessly with Land Rover’s emission systems.

Common Applications and Issues Addressed

• Restores accurate air-fuel mixture readings for improved engine efficiency
• Helps resolve check engine light triggers related to oxygen sensor faults
• Reduces emissions by ensuring proper catalytic converter function
• Prevents rough idling and poor fuel economy caused by faulty sensors
• Supports compliance with emission regulations for Land Rover LR4 and Range Rover models

Installation Notes and Tips

• Ensure the vehicle is cool before removing the old sensor to avoid burns
• Use appropriate tools for the 18.0 mm threaded sensor to prevent damage
• Verify connector type matches the radiused polygon male connector on the sensor
• Check wiring harness length and routing to avoid tension or interference
• Follow vehicle-specific torque specifications when installing the sensor

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet stringent quality standards. While specific warranty details for part number 350-64077 may vary, Walker typically offers coverage against defects in materials and workmanship. This ensures dependable performance and peace of mind when replacing oxygen sensors on Land Rover LR4, Range Rover, and Range Rover Sport vehicles.