Bosch 15659 Oxygen Sensor - Downstream, Upstream, Upstream Left or Upstream Right

Overview of Bosch Engineered Oxygen Sensor 15659

The Bosch Engineered Oxygen Sensor 15659 is designed specifically for select Hyundai and Kia models, including the Amanti, Santa Fe, Sedona, Sorento, and XG350. This narrow-band heated oxygen sensor provides accurate emissions control and helps maintain optimal engine performance.

• Specific fit for Hyundai and Kia vehicles
• Narrow-band heated oxygen sensor type
• Threaded mounting with 18 mm thread diameter and 22 mm hex size
• 14.8-inch wiring harness length with 4-wire blade terminals
• Durable metal housing with steel finish
• Includes wiring harness and male square connector
• Standard replacement grade for reliable performance

Detailed Product Features and Specifications

This Bosch Engineered Oxygen Sensor 15659 features a 14.8-inch wiring harness and a total length of 18.5 inches, allowing for proper installation and connection within the vehicle’s emission system. The sensor uses a narrow-band heated design, which improves response time and accuracy in measuring oxygen levels in the exhaust gases. It includes a 4-wire configuration with blade-type terminals and a male square connector, ensuring compatibility with the vehicle’s wiring system. The sensor mounts via a threaded 18 mm diameter fitting and requires a 22 mm hex tool for installation. Constructed with a metal housing and steel finish, this sensor is built to withstand harsh engine conditions.

Compatibility and Vehicle Fitment

This oxygen sensor is specifically engineered for use in Hyundai and Kia vehicles, including the Amanti, Santa Fe, Sedona, Sorento, and XG350 models. The part number 15659 ensures precise fitment and function within these vehicles’ emission control systems, helping maintain compliance with environmental standards and engine efficiency.

Common Applications and Issues Addressed

• Restores accurate oxygen level readings for proper fuel mixture
• Helps resolve check engine light codes related to oxygen sensors
• Improves fuel economy by optimizing air-fuel ratio
• Reduces harmful emissions by ensuring proper catalytic converter function
• Prevents engine performance issues caused by faulty sensors

Installation Notes and Tips

Installation requires a 22 mm hex socket for the threaded sensor. Ensure the vehicle is cool before removal to avoid burns. The 4-wire blade terminal connector should be securely attached to the vehicle’s wiring harness, matching the male square connector on the sensor. No mounting bracket is included, so use the existing mounting point on the vehicle. Verify the wiring harness length of 14.8 inches is sufficient for your application before installation.

Quality Assurance and Warranty

The Bosch Engineered Oxygen Sensor 15659 is a standard replacement grade part designed to meet OEM specifications for Hyundai and Kia vehicles. Bosch’s product line is known for precision engineering and durability. While specific warranty details are not provided here, Bosch typically offers limited warranties on their emission control components to ensure customer confidence and product reliability.