Walker 250-24518 Oxygen Sensor - Downstream Rear

Overview of Walker 250-24518 Oxygen Sensor for Hyundai and Kia

The Walker 250-24518 oxygen sensor is designed specifically for select Hyundai and Kia models, including the Optima, Santa Fe, and Sonata. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data.

• Heated oxygen sensor with 4-wire design for reliable operation
• Specific fit for Hyundai Optima, Santa Fe, and Kia Sonata models
• 22.76-inch wiring harness length for proper installation
• 20 gauge wire measurement ensuring durability and signal integrity
• Radiused polygon male connector for secure connection
• Threaded mounting type with 18.0 mm thread diameter
• Overall length of 26.3 inches for compatibility with OEM specifications

Walker Products OE Brand Line Details

The Walker Products OE line focuses on delivering original equipment quality parts that meet or exceed factory specifications. The 250-24518 oxygen sensor is part of this line, ensuring it matches the exact fit and function required by Hyundai and Kia vehicles. This product line emphasizes precision manufacturing and durability to maintain emission standards and engine efficiency.

Product Description and Technical 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 gases. The wiring harness length of 22.76 inches and overall length of 26.3 inches are designed to fit the specific routing and mounting points on Hyundai Optima, Santa Fe, and Kia Sonata models. The 20 gauge wire ensures robust electrical performance, while the radiused polygon male connector provides a secure and reliable connection to the vehicle’s wiring harness. The sensor mounts via a threaded connection with an 18.0 mm diameter, matching OEM installation requirements.

Common Applications and Issues Addressed

• Restores accurate oxygen sensing for proper air-fuel mixture control
• Helps resolve engine performance issues such as rough idling or hesitation
• 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

• Ensure vehicle compatibility with Hyundai Optima, Santa Fe, or Kia Sonata before installation
• Use proper tools to avoid damaging the 18.0 mm threaded mounting
• Verify connector orientation matches the radiused polygon male connector for secure fit
• Inspect wiring harness length and routing to prevent strain or interference
• Follow manufacturer torque specifications when tightening the sensor

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet strict quality standards, ensuring reliable performance and durability. The 250-24518 part number undergoes rigorous testing to comply with emission control requirements. Warranty coverage details should be confirmed with the product documentation or supplier.