Bosch 13751 Oxygen Sensor - Downstream, Downstream Left or Upstream

Reliable Oxygen Sensor for Hyundai and Kia Vehicles

The Bosch Engineered Oxygen Sensor 13751 is designed to provide accurate air-fuel mixture readings for improved engine performance and emissions control. Specifically engineered for Hyundai and Kia models, this narrow-band heated oxygen sensor ensures precise monitoring of exhaust gases.

• Compatible with Hyundai Magentis, Santa Fe, Sonata and Kia Optima, Sedona, Soul
• Standard replacement grade with a 21.5-inch wiring harness length
• Threaded mounting type with 18 mm thread diameter and 22 mm hex size
• Heated narrow-band sensor with 4-wire blade terminals and male connectors
• Durable metal housing finished in steel with a total length of 24.8 inches

About the Bosch Engineered Oxygen Sensor Line

The Bosch Engineered Oxygen Sensor line focuses on delivering precise emission control components tailored to specific vehicle applications. This product line emphasizes compatibility and reliability, providing sensors that meet OEM specifications for Hyundai and Kia vehicles. The 13751 oxygen sensor is part of this line, offering a direct fit and standard replacement quality for emission system maintenance.

Product Details and Specifications

This Bosch oxygen sensor features a narrow-band heated design with four wires and blade-type terminals, ensuring accurate signal transmission and quick sensor response. The sensor includes a 21.5-inch wiring harness and a square-shaped male connector with four terminals. Its threaded mounting type (18 mm diameter) allows for secure installation, while the metal housing with a steel finish provides durability under high-temperature exhaust conditions. The overall length of 24.8 inches and a sealing surface to connector length of 23.6 inches make it suitable for specific Hyundai and Kia models.

Common Applications and Issues Addressed

• Restores proper air-fuel ratio monitoring in Hyundai Sonata and Kia Optima
• Resolves check engine light triggers related to oxygen sensor faults
• Improves fuel efficiency and reduces harmful emissions in Kia Soul and Hyundai Santa Fe
• Corrects engine performance issues caused by faulty narrow-band sensors
• Maintains compliance with emission standards for Hyundai Magentis and Kia Sedona

Installation Notes and Tips

Ensure the vehicle is cool before removing the old oxygen sensor to avoid burns. Use a 22 mm oxygen sensor socket for removal and installation. Verify the connector type matches the vehicle harness to prevent wiring issues. The threaded mounting requires proper torque to avoid exhaust leaks. No mounting bracket is included, so use the existing sensor location on the vehicle.

Quality Assurance and Warranty

The Bosch Engineered Oxygen Sensor 13751 is manufactured to meet OEM standards for fit and function. It includes a heated element for faster sensor response and is constructed with a durable metal housing. While specific warranty details are not provided here, Bosch products typically come with a limited warranty covering defects in materials and workmanship.