Walker 250-24878 Oxygen Sensor - Downstream

Overview of Walker 250-24878 Oxygen Sensor

The Walker 250-24878 oxygen sensor is designed specifically for select Hyundai and Kia models, including the Forte, Sonata, and Sorento. This heated oxygen sensor provides accurate emissions control data to optimize engine performance and fuel efficiency.

• Heated sensor type for faster response times
• Specific fit for Hyundai and Kia vehicles
• 21.18-inch wiring harness length for precise installation
• 20 gauge wire with 4-wire configuration
• Radiused polygon male connector for secure connection
• Threaded mounting with 18.0 mm thread diameter
• Overall length of 24.72 inches

Detailed Product Description

This Walker Products OE oxygen sensor (part number 250-24878) is engineered to meet the exact specifications of Hyundai and Kia vehicles such as the Genesis Coupe, ix35, Optima, Santa Fe Sport, Sportage, and Tucson. Featuring a heated sensor element, it ensures quicker warm-up times and more reliable readings under various operating conditions. The sensor’s 4-wire design includes a 20 gauge wire gauge measurement, which supports accurate signal transmission and heater circuit functionality.

The wiring harness length of 21.18 inches and an overall length of 24.72 inches provide ample reach for proper installation without excess slack. The radiused polygon male connector ensures a secure and precise fit, reducing the risk of connection issues. The threaded mounting type with an 18.0 mm thread diameter allows for straightforward replacement and compatibility with factory mounting points.

Walker Products OE Brand Line

Walker Products OE is a product line focused on delivering original equipment quality parts that meet or exceed OEM standards. This oxygen sensor is part of that line, ensuring it matches the fit, form, and function required by Hyundai and Kia vehicles. The OE line emphasizes durability and precise fitment, making it suitable for emission control system repairs and maintenance.

Common Applications and Issues Addressed

• Restores proper air-fuel ratio readings for Hyundai Sonata and Kia Optima
• Resolves check engine light triggers related to oxygen sensor faults
• Improves fuel efficiency and reduces emissions on Hyundai Santa Fe and Kia Sorento
• Eliminates rough idling and engine hesitation caused by faulty sensors
• Supports emission compliance for vehicles like the Hyundai Tucson and Kia Sportage

Installation Notes and Tips

• Ensure the vehicle is cool before sensor removal to avoid burns
• Use appropriate oxygen sensor socket for threaded mounting removal
• Verify connector type matches the radiused polygon male connector on the sensor
• Check wiring harness length (21.18 inches) for proper routing and clearance
• Follow vehicle-specific torque specifications for the 18.0 mm threaded mount

Quality Assurance and Warranty

The Walker 250-24878 oxygen sensor is manufactured to meet strict quality standards consistent with Walker Products OE specifications. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship to ensure reliable performance in Hyundai and Kia vehicles.