Walker 250-24051 Oxygen Sensor - Downstream or Upstream

Overview of Walker 250-24051 Oxygen Sensor for Lexus and Toyota

The Walker Products OE 250-24051 oxygen sensor is designed specifically for select Lexus and Toyota models, including the Camry, Celica, ES250, Land Cruiser, MR2, and Pickup. This heated oxygen sensor ensures accurate emission control and optimal engine performance by monitoring exhaust gases precisely.

• Heated oxygen sensor with 4-wire configuration
• Specific fit for Lexus and Toyota vehicles
• 12.32-inch wiring harness length for flexible installation
• Radiused polygon female connector for secure connection
• Flange mount with 18.0 mm thread diameter
• Overall length of 15.87 inches for proper fitment
• 20 gauge wire for reliable signal transmission

Detailed Product Features and Specifications

This Walker 250-24051 oxygen sensor features a heated sensor type that allows for faster warm-up times and improved emission readings. The 4-wire design supports both the sensor signal and heater circuit, ensuring consistent operation under various driving conditions. The wiring harness length of 12.32 inches provides sufficient reach for installation in the exhaust system, while the 20 gauge wire measurement offers durability and resistance to electrical interference.

The sensor’s flange mount design with an 18.0 mm thread diameter allows for a secure and precise fit in the exhaust manifold or pipe. The radiused polygon female connector ensures a reliable electrical connection, reducing the risk of disconnection or corrosion. With an overall length of 15.87 inches, this oxygen sensor fits perfectly in the designated mounting location for the specified Lexus and Toyota models.

Walker Products OE Line Overview

The Walker Products OE line focuses on delivering original equipment quality parts that meet or exceed OEM specifications. The 250-24051 oxygen sensor is part of this line, ensuring compatibility and performance consistent with factory-installed components. This product line is engineered to provide reliable emission control solutions tailored to specific vehicle applications, such as the Lexus Camry and Toyota Land Cruiser.

Common Applications and Issues Addressed

• Helps maintain proper air-fuel mixture for efficient combustion
• Reduces harmful emissions by providing accurate exhaust gas readings
• Prevents engine performance issues related to faulty oxygen sensors
• Resolves check engine light triggers caused by sensor failure
• Improves fuel economy by enabling precise engine management

Installation Notes and Tips

When installing the Walker 250-24051 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. Verify the radiused polygon female connector matches the vehicle’s wiring harness for a secure fit. Apply anti-seize compound to the sensor threads if recommended by the vehicle manufacturer to facilitate future removal. Confirm proper torque on the flange mount to prevent exhaust leaks.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet strict quality standards, ensuring durability and reliable performance. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship. Using this sensor helps maintain compliance with emission regulations and supports long-term vehicle operation.