Walker 350-34188 Oxygen Sensor - Downstream Left or Downstream Right

Overview of Walker 350-34188 Oxygen Sensor

The Walker 350-34188 oxygen sensor is designed specifically for Land Rover vehicles, including Discovery, Freelander, and Range Rover models. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases effectively.

• Heated sensor type for faster response times
• Specific fit for Land Rover Discovery, Freelander, and Range Rover
• Threaded mounting type with 18.0 mm thread diameter
• 20.39-inch wiring harness length with 4 wires of 20 gauge
• Male connector with radiused polygon shape for secure connection
• Overall length of 23.94 inches for proper installation

Detailed Product Description

This Walker Products Aftermarket oxygen sensor (part number 350-34188) is engineered to meet the exact specifications required by Land Rover Discovery, Freelander, and Range Rover vehicles. The heated sensor design allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. The sensor features a 20.39-inch wiring harness with four 20-gauge wires, ensuring reliable electrical connectivity. Its male connector with a radiused polygon shape provides a secure and precise fit, while the threaded mounting type with an 18.0 mm diameter allows for straightforward installation. The overall length of 23.94 inches accommodates proper placement within the exhaust system.

Walker Products Aftermarket Line

The Walker Products Aftermarket line focuses on providing replacement emission control components that meet or exceed OEM standards. This oxygen sensor is part of that line, offering a direct fit and reliable performance for Land Rover vehicles. The product line emphasizes quality and compatibility, ensuring that each sensor integrates seamlessly with the vehicle’s existing systems.

Common Applications and Issues Addressed

• Restores accurate oxygen sensing for proper air-fuel mixture
• Helps resolve rough idling and poor fuel economy
• Reduces emissions-related check engine light triggers
• Improves engine performance by providing precise exhaust data
• Prevents damage to catalytic converters caused by faulty sensors

Installation Notes and Tips

• Ensure the vehicle is cool before sensor removal to avoid burns
• Use appropriate tools for the 18.0 mm threaded sensor
• Verify connector type matches the vehicle’s wiring harness
• Do not over-tighten the sensor to prevent thread damage
• Check for proper sensor orientation and secure wiring routing

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet strict quality standards. While specific warranty details for part number 350-34188 should be confirmed with the supplier, Walker typically offers coverage against defects in materials and workmanship to ensure dependable performance in Land Rover Discovery, Freelander, and Range Rover vehicles.