Walker 250-22057 Oxygen Sensor - Upstream

Overview of Walker 250-22057 Oxygen Sensor for Toyota Celica

The Walker Products OE 250-22057 oxygen sensor is designed specifically for Toyota Celica models, providing precise emission control sensor functionality. This non-heated oxygen sensor features a flange mount design and a radiused polygon male connector, ensuring a secure and accurate fit for your vehicle.

• Wiring harness length: 17.44 inches
• Wire gauge measurement: 20 gauge
• Sensor type: Non heated oxygen sensor
• Specific fit for Toyota Celica
• Wire quantity: 2 wires
• Connector shape: Radiused polygon
• Connector gender: Male
• Thread diameter: 18.0 mm
• Overall length: 20.98 inches
• Mounting type: Flange mount

Detailed Product Description

The Walker Products OE 250-22057 oxygen sensor is engineered to meet the exact specifications required for Toyota Celica vehicles. This sensor is a non-heated type, which means it relies on exhaust heat to reach operating temperature rather than an internal heating element. The 20-gauge wiring and 17.44-inch harness length provide reliable electrical connectivity, while the radiused polygon male connector ensures a precise and secure connection to the vehicle’s wiring system. The flange mount design with an 18.0 mm thread diameter allows for straightforward installation and stable sensor positioning within the exhaust system. With an overall length of 20.98 inches, this sensor fits seamlessly in the designated mounting location on the Toyota Celica.

Walker Products OE Brand Line Information

Walker Products OE is a product line focused on delivering original equipment quality emission control components. This oxygen sensor is part of that line, designed to match the fit, form, and function of the original sensor installed on Toyota Celica models. The OE line emphasizes precise fitment and reliable performance, making it suitable for emission system repairs and maintenance.

Common Applications and Issues Addressed

• Restores accurate oxygen sensing for proper air-fuel mixture control
• Helps resolve rough idling and engine hesitation caused by faulty sensors
• Reduces emissions by ensuring correct sensor feedback to the engine control unit
• Prevents check engine light triggers related to oxygen sensor faults
• Improves fuel efficiency by maintaining optimal combustion conditions

Installation Notes and Tips

When installing the Walker 250-22057 oxygen sensor on a Toyota Celica, ensure the flange mount is securely tightened to the exhaust pipe to prevent exhaust leaks. Verify the connector’s radiused polygon shape and male gender match the vehicle’s wiring harness for a proper connection. Avoid damaging the sensor wiring during installation, and confirm the sensor is positioned correctly to detect exhaust gases effectively.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet stringent quality standards, ensuring durability and reliable performance in emission control applications. While specific warranty details for part number 250-22057 should be confirmed with the supplier, Walker typically offers coverage against defects in materials and workmanship to support long-term use in Toyota Celica vehicles.