Walker 250-24245 Oxygen Sensor - Downstream, Upstream or Upstream Rear

Overview of Walker 250-24245 Oxygen Sensor

The Walker 250-24245 oxygen sensor is designed specifically for select Ford, Kia, Mazda, and Mercury vehicles. This heated oxygen sensor ensures accurate emissions control and optimal engine performance for models like the Escort, Miata, MX-3, Protege, Sephia, and Tracer.

• Heated sensor type for faster response times
• Specific fit for Ford, Kia, Mazda, and Mercury models
• 19.21-inch wiring harness length for precise installation
• 20 gauge wire with 4-wire configuration
• Radiused polygon female connector for secure connection
• Threaded mounting with 18.0 mm thread diameter
• Overall length of 22.76 inches for proper fitment

Detailed Product Features and Specifications

This Walker Products OE oxygen sensor (part number 250-24245) features a heated sensor element that allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. The 4-wire design includes two wires for the heater circuit and two for the sensor signal, ensuring reliable data transmission to the vehicle’s engine control unit. The wiring harness length of 19.21 inches provides ample reach for installation in the exhaust system, while the 20 gauge wire ensures durability and resistance to heat and vibration.

The sensor’s radiused polygon female connector is engineered for a secure and precise fit, minimizing the risk of disconnection or signal loss. Its threaded mounting type with an 18.0 mm diameter allows for straightforward installation in the exhaust manifold or pipe. The overall length of 22.76 inches accommodates the specific exhaust routing of compatible vehicles.

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 manufactured to meet or exceed OEM specifications, ensuring compatibility and performance for the intended Ford, Kia, Mazda, and Mercury models. The OE line emphasizes precise fitment and reliable operation, making it suitable for professional repairs and maintenance.

Compatible Vehicles and Common Applications

• Ford Escort
• Kia Sephia
• Mazda Miata and MX-3
• Mercury Tracer
• Mazda Protege

This oxygen sensor is designed to address issues related to inaccurate air-fuel mixture readings and emissions control malfunctions in these vehicles.

Common Issues Addressed by This Oxygen Sensor

• Check engine light triggered by faulty oxygen sensor readings
• Poor fuel economy due to incorrect air-fuel mixture
• Increased emissions and failed emissions tests
• Engine hesitation or rough idling
• Reduced engine performance and drivability problems

Installation Notes and Tips

When installing the Walker 250-24245 oxygen sensor, ensure the vehicle is cool to avoid burns. Use anti-seize compound on the sensor threads to facilitate future removal, but avoid contaminating the sensor tip. Verify the connector matches the radiused polygon female design for proper connection. Tighten the sensor to the manufacturer’s torque specifications to prevent exhaust leaks or damage.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet strict quality standards and OEM specifications. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship. This ensures dependable performance and peace of mind when replacing oxygen sensors on compatible Ford, Kia, Mazda, and Mercury vehicles.