Walker 250-22051 Oxygen Sensor - Downstream

Overview of Walker Products OE Oxygen Sensor 250-22051

The Walker Products OE Oxygen Sensor 250-22051 is designed specifically for select Geo and Toyota vehicles, including the Corolla and Prizm models. This non-heated oxygen sensor features a precise fit and reliable performance to support your vehicle's emission control system.

• Wiring harness length: 5.43 inches
• Wire gauge measurement: 20 gauge
• Sensor type: Non heated
• Specific fit for Geo and Toyota models
• Wire quantity: 2 wires
• Connector shape: Radiused polygon
• Connector gender: Male
• Thread diameter: 18.0 mm
• Overall length: 8.98 inches
• Mounting type: Flange mount

Detailed Product Description

This oxygen sensor from Walker Products OE is engineered to meet the exact specifications required for the Geo Prizm and Toyota Corolla. The sensor’s non-heated design includes a 5.43-inch wiring harness and 20 gauge wires, ensuring proper electrical connectivity and signal transmission. The radiused polygon male connector provides a secure and precise connection to the vehicle’s wiring harness. With an 18.0 mm thread diameter and flange mount design, installation aligns with factory standards for a reliable fit and function. The overall length of 8.98 inches allows for proper placement within the exhaust system.

Walker Products OE is a product line focused on delivering original equipment quality parts that match or exceed factory specifications. This oxygen sensor is part of that line, offering a direct replacement solution that supports emission control and engine management systems in specific vehicle applications.

Common Applications and Issues Addressed

• Helps maintain optimal air-fuel mixture for Geo Prizm and Toyota Corolla
• Supports emission control system compliance
• Resolves issues related to poor fuel economy caused by faulty oxygen sensors
• Addresses engine performance problems such as rough idling or hesitation
• Prevents check engine light triggers related to oxygen sensor faults

Installation Notes and Tips

• Ensure vehicle compatibility with Geo Prizm or Toyota Corolla before installation
• Use proper tools to avoid damaging the 18.0 mm threaded sensor
• Verify connector orientation matches the radiused polygon male connector
• Inspect wiring harness length and routing to prevent strain or damage
• Follow manufacturer torque specifications for flange mount installation

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet stringent quality standards, ensuring durability and reliable performance. This part number 250-22051 undergoes rigorous testing to comply with emission control requirements. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.