Walker 250-22010 Oxygen Sensor - Downstream or Upstream

Overview of Walker 250-22010 Oxygen Sensor for Toyota Vehicles

The Walker 250-22010 oxygen sensor is designed specifically for select Toyota models including the Celica, Paseo, RAV4, and Tercel. This non-heated sensor provides accurate emissions control data to help maintain engine performance and reduce harmful exhaust emissions.

• Wiring harness length: 9.37 inches
• Wire gauge measurement: 20 gauge
• Sensor type: Non heated
• Wire quantity: 2 wires
• Connector shape: Radiused polygon
• Connector gender: Male
• Thread diameter: 18.0 mm
• Overall length: 12.91 inches
• Mounting type: Threaded

Walker Products OE Brand Line Details

This oxygen sensor is part of the Walker Products OE line, which focuses on providing original equipment quality parts that meet or exceed factory specifications. The Walker Products OE line ensures compatibility and reliable performance for emission control components, making it a suitable replacement for the Toyota Celica, Paseo, RAV4, and Tercel models requiring part number 250-22010.

Product Description and Specifications

The Walker 250-22010 oxygen sensor features a threaded mounting type with an 18.0 mm thread diameter, allowing for secure installation in the exhaust system. Its 9.37-inch wiring harness and 20 gauge wire ensure proper electrical connectivity, while the radiused polygon male connector provides a precise fit for the specific Toyota models listed. This non-heated sensor uses two wires to transmit accurate oxygen level data to the engine control unit, supporting optimal fuel mixture adjustments and emissions control.

Common Applications and Issues Addressed

• Replacement for faulty or worn oxygen sensors in Toyota Celica, Paseo, RAV4, and Tercel
• Helps resolve engine performance issues related to incorrect air-fuel mixture
• Reduces emissions by providing accurate oxygen level readings
• Prevents check engine light triggers related to oxygen sensor faults
• Supports fuel efficiency improvements by maintaining proper sensor function

Installation Notes and Tips

Ensure the vehicle is cool before beginning installation to avoid burns. Use the correct tools to remove the old sensor and install the Walker 250-22010 oxygen sensor securely by threading it into place. Verify the connector matches the radiused polygon male type and connects firmly to the vehicle wiring harness. Avoid damaging the wiring harness during installation and confirm the sensor wiring length and gauge are compatible with the vehicle’s original setup.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet original equipment standards, ensuring reliable performance and durability. While specific warranty details for part number 250-22010 should be confirmed at the point of purchase, Walker typically offers coverage against defects in materials and workmanship to support long-term use in Toyota Celica, Paseo, RAV4, and Tercel vehicles.