Walker 250-24688 Oxygen Sensor - Downstream Rear or Upstream

Overview of Walker 250-24688 Oxygen Sensor

The Walker 250-24688 oxygen sensor is designed specifically for select Hyundai and Kia models, including the Optima, Sonata, Santa Fe, Santa Fe XL, Sorento, Rondo, and Sedona. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data to the vehicle's engine control unit.

• Heated oxygen sensor with 4-wire design for reliable operation
• Specific fit for Hyundai and Kia vehicles including Optima, Sonata, Santa Fe, and more
• 27.09-inch wiring harness length with 20-gauge wire for durability
• Threaded mounting type with 18.0 mm thread diameter for secure installation
• Radiused polygon male connector for proper electrical connection
• Overall length of 30.63 inches to accommodate factory fitment requirements

Walker Products OE Brand Line Details

The Walker Products OE line focuses on delivering original equipment quality parts that meet or exceed OEM specifications. The 250-24688 oxygen sensor is part of this line, ensuring compatibility and performance consistent with factory-installed components. This product line is engineered to provide precise fitment and reliable emissions control for specific vehicle applications.

Product Features and Specifications

This oxygen sensor features a heated sensor type with a 4-wire configuration, which allows for faster sensor warm-up and improved accuracy in measuring exhaust oxygen levels. The wiring harness length of 27.09 inches and 20-gauge wire gauge measurement provide durability and ease of installation. The sensor uses a radiused polygon-shaped male connector, designed to match the original connector for a secure and proper electrical connection. The threaded mounting type with an 18.0 mm thread diameter ensures a tight and leak-free fit in the exhaust system. The overall length of 30.63 inches accommodates the specific routing and placement required by Hyundai and Kia vehicles.

Compatible Vehicles and Applications

• Hyundai Optima
• Hyundai Sonata
• Hyundai Santa Fe and Santa Fe XL
• Kia Sorento
• Kia Rondo
• Kia Sedona

This oxygen sensor is designed for use in emission control systems to monitor and regulate the air-fuel mixture, helping to reduce harmful emissions and maintain engine efficiency.

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 performance problems such as rough idling or hesitation
• Failed or degraded sensor causing improper catalytic converter function

Installation Notes and Tips

Ensure the vehicle is cool before beginning installation to avoid burns. Disconnect the battery to prevent electrical shorts. Remove the old oxygen sensor carefully using the appropriate oxygen sensor socket. Verify the connector type matches the radiused polygon male connector on the Walker 250-24688 sensor. Thread the new sensor into the exhaust bung by hand to avoid cross-threading, then tighten to manufacturer torque specifications. Reconnect the wiring harness and clear any diagnostic trouble codes after installation.

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 a limited warranty covering defects in materials and workmanship. This ensures reliable performance and peace of mind when replacing your vehicle's oxygen sensor with part number 250-24688.