Walker 250-24509 Oxygen Sensor - Downstream Left or Downstream Right

Overview of Walker 250-24509 Oxygen Sensor for Land Rover

The Walker 250-24509 oxygen sensor is designed specifically for 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 precisely.

• Heated oxygen sensor with 4-wire design for reliable operation
• Specific fit for Land Rover LR4, Range Rover, and Range Rover Sport
• Threaded mounting type with 18.0 mm thread diameter
• 38.9-inch wiring harness length with radiused polygon male connector
• Wire gauge measurement of 20 for durable electrical connections
• Overall length of 42.44 inches for proper installation depth

Detailed Features and Specifications

This Walker Products OE oxygen sensor (part number 250-24509) features a heated sensor type that allows for faster warm-up times and improved emissions monitoring. The sensor includes a 4-wire configuration, which supports both the heating element and signal wires, ensuring accurate data transmission to the vehicle’s engine control unit. The wiring harness length of 38.9 inches provides sufficient reach for installation in the exhaust system of Land Rover LR4, Range Rover, and Range Rover Sport models. The connector is a radiused polygon shape with a male gender, designed to match the factory wiring harness for a secure and precise fit. The threaded mounting type with an 18.0 mm diameter allows for straightforward installation and reliable sealing.

Walker Products OE Brand Line Information

The Walker Products OE line focuses on delivering original equipment quality parts that meet or exceed factory specifications. This oxygen sensor is part of that line, ensuring compatibility and performance consistent with the standards set by Land Rover. Using a Walker Products OE sensor helps maintain the integrity of the vehicle’s emissions system and supports compliance with environmental regulations.

Common Applications and Problem Solving

• Restores accurate oxygen sensing for proper air-fuel mixture control
• Resolves check engine light issues related to oxygen sensor faults
• Improves fuel efficiency by providing precise exhaust gas data
• Reduces harmful emissions by ensuring proper catalytic converter function
• Eliminates rough idling or engine hesitation caused by faulty sensors

Installation Notes and Tips

When installing the Walker 250-24509 oxygen sensor, ensure the vehicle is cool to avoid burns. Use the correct socket size for the 18.0 mm threaded sensor to prevent damage. Verify the connector shape and wiring harness length match the factory setup on Land Rover LR4, Range Rover, or Range Rover Sport models. Proper torque specifications should be followed to avoid leaks or sensor damage. It is recommended to inspect the wiring harness and connector for corrosion or damage before installation.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet strict quality standards for durability and performance. While specific warranty details for part number 250-24509 should be confirmed at the point of purchase, Walker typically offers coverage against defects in materials and workmanship. This ensures confidence in the sensor’s reliability for emission control applications on Land Rover vehicles.