Walker 250-24056 Oxygen Sensor - Upstream, Upstream Left or Upstream Right

Overview of Walker 250-24056 Oxygen Sensor for Toyota Vehicles

The Walker 250-24056 oxygen sensor is designed specifically for select Toyota models including the 4Runner, Land Cruiser, MR2, and Pickup. 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 flange mount installation
• Specific fit for Toyota 4Runner, Land Cruiser, MR2, and Pickup
• 17.44-inch wiring harness length with 4 wires of 20 gauge
• Radiused polygon female connector for secure connection
• 18.0 mm thread diameter and 20.98-inch overall length

Detailed Features and Specifications

This Walker Products OE oxygen sensor (part number 250-24056) features a heated sensor element that allows for faster warm-up times and improved emissions control under various operating conditions. The sensor is designed with a flange mount type for secure and precise installation. It includes a 17.44-inch wiring harness with four 20-gauge wires, ensuring reliable electrical connectivity. The connector is a radiused polygon female type, engineered to fit the specific Toyota models listed, preventing compatibility issues. The sensor’s thread diameter measures 18.0 mm, and the overall length is 20.98 inches, matching OEM specifications for proper fit and function.

Walker Products OE Brand Line Information

The Walker Products OE line focuses on delivering emission control components that meet original equipment standards. This oxygen sensor is part of that line, ensuring it matches the quality and fitment requirements expected by Toyota vehicles. The OE designation indicates that this sensor is engineered to the same specifications as the original part, supporting consistent vehicle performance and emissions compliance.

Common Applications and Issues Addressed

• Restores accurate air-fuel ratio readings for engine control
• Helps resolve rough idling and poor fuel economy
• Reduces emissions by ensuring proper catalytic converter function
• Prevents check engine light triggers related to oxygen sensor faults
• Improves overall engine performance and drivability

Installation Notes and Tips

When installing the Walker 250-24056 oxygen sensor, ensure the vehicle is cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the wiring harness or connector. Confirm the radiused polygon female connector aligns correctly with the vehicle’s harness. Torque the sensor to manufacturer specifications to prevent leaks or sensor damage. Verify sensor operation after installation by checking for diagnostic trouble codes and proper engine performance.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet strict quality standards and OEM specifications. While specific warranty details for part number 250-24056 should be confirmed at the point of purchase, Walker typically offers coverage against defects in materials and workmanship to ensure reliability and durability in emission control applications.