Bosch 13459 Oxygen Sensor - Downstream

Reliable Oxygen Sensor for Hyundai Accent, Elantra, and Tiburon

The Bosch Validated Oxygen Sensor 13459 is designed specifically for select Hyundai models, including the Accent, Elantra, and Tiburon. This narrow-band heated oxygen sensor ensures accurate emissions control and optimal engine performance.

• Specific fit for Hyundai Accent, Elantra, and Tiburon
• Narrow-band heated oxygen sensor type for precise air-fuel mixture readings
• 15.2-inch wiring harness length with 4-pin female connector
• Threaded mounting type with 18 mm thread diameter and 22 mm hex size
• Durable metal housing finished in steel for long-lasting use
• Standard replacement grade with included wiring harness

About the Bosch Validated Oxygen Sensor Line

The Bosch Validated Oxygen Sensor product line focuses on delivering reliable, vehicle-specific sensors that meet OEM specifications. The 13459 sensor is engineered to provide consistent performance and durability, ensuring proper emissions control and engine efficiency for Hyundai vehicles. This line emphasizes precise fitment and quality materials to maintain factory standards.

Product Details and Specifications

This Bosch oxygen sensor features a narrow-band heated design, which allows it to quickly reach operating temperature and provide accurate oxygen level readings. The sensor includes a 15.2-inch wiring harness with a 4-wire, 4-pin female connector in a square shape, facilitating a secure and proper electrical connection. The sensor’s threaded mounting type uses an 18 mm diameter thread and a 22 mm hex size for installation. Constructed with a metal housing finished in steel, it offers durability under harsh engine conditions. The overall length of the sensor is 18.9 inches, with a length of 17.7 inches from the sealing surface to the end of the connector.

Common Applications and Issues Addressed

• Restores accurate air-fuel ratio readings for Hyundai Accent, Elantra, and Tiburon
• Helps resolve engine performance issues related to faulty oxygen sensors
• Reduces emissions by ensuring proper catalytic converter function
• Prevents check engine light triggers caused by sensor failure
• Improves fuel efficiency by maintaining correct sensor feedback

Installation Notes and Tips

When installing the Bosch Validated Oxygen Sensor 13459, ensure the vehicle is compatible with this specific part number and model fitment. The sensor’s threaded mounting requires an 18 mm thread size and a 22 mm hex wrench for proper tightening. Handle the wiring harness carefully to avoid damage to the 4-pin female connector. Since this is a heated sensor, verify electrical connections are secure to maintain heater function. No mounting bracket is included, so use the existing mounting location on the vehicle.

Quality Assurance and Warranty

Bosch oxygen sensors are manufactured to meet strict quality standards, ensuring reliable performance and durability. The Bosch Validated Oxygen Sensor 13459 is a standard replacement part designed to meet OEM specifications for Hyundai vehicles. While specific warranty details are not provided here, Bosch typically offers limited warranties on their emission control sensors to cover manufacturing defects.