Bosch 15655 Oxygen Sensor

Reliable Oxygen Sensor for Hyundai and Kia Vehicles

The Bosch Engineered Oxygen Sensor 15655 is designed to provide accurate air-fuel mixture readings for improved engine performance and emissions control. Specifically engineered for select Hyundai and Kia models, this narrow-band heated oxygen sensor ensures precise monitoring of exhaust gases.

• Specific fit for Hyundai and Kia models including Magentis, Optima, Santa Fe, Sonata, Sportage, Tiburon, and Tucson
• Heated narrow-band oxygen sensor for faster response times
• Threaded mounting type with 18 mm thread diameter and 22 mm hex size for secure installation
• 15.6-inch wiring harness length with 4-wire blade terminals and a square male connector
• Durable metal housing finished in steel for long-lasting performance
• Standard replacement grade type with included wiring harness
• Overall length of 19.3 inches and sealing surface to connector length of 18.1 inches

About the Bosch Engineered Oxygen Sensor Line

The Bosch Engineered Oxygen Sensor line focuses on delivering reliable emission control components that meet OEM specifications. This product line emphasizes precise sensor technology and durable construction, ensuring compatibility and performance for specific vehicle applications. The 15655 oxygen sensor is part of this line, offering a standard replacement option with a heated narrow-band sensor design tailored for Hyundai and Kia vehicles.

Product Details and Specifications

This Bosch oxygen sensor features a 4-wire design with blade-type terminals and a male square connector, facilitating a secure electrical connection. The sensor is heated to provide quicker activation and accurate readings under various operating conditions. Its threaded mounting type with an 18 mm diameter and 22 mm hex size allows for straightforward installation using standard tools. The metal housing finished in steel enhances durability against heat and corrosion. The wiring harness length of 15.6 inches and overall length of 19.3 inches ensure proper fitment within the exhaust system.

Common Applications and Issues Addressed

• Restores accurate air-fuel ratio readings for Hyundai Sonata and Kia Optima
• Helps resolve rough idling and poor fuel economy in Hyundai Santa Fe and Kia Sportage
• Reduces emissions and prevents check engine light triggers on Hyundai Tucson and Kia Tiburon
• Improves engine performance and drivability in Hyundai Magentis
• Supports emission compliance for vehicles equipped with narrow-band oxygen sensors

Installation Notes and Tips

Ensure the engine is cool before removing the old oxygen sensor to avoid burns. Use a 22 mm oxygen sensor socket or wrench for removal and installation. Verify the connector type matches the vehicle harness to prevent electrical issues. Avoid damaging the wiring harness during installation and confirm the sensor threads are clean and free of debris before threading the new sensor. Proper torque application is recommended to prevent sensor damage or exhaust leaks.

Quality Assurance and Warranty

The Bosch Engineered Oxygen Sensor 15655 is manufactured to meet OEM standards for fit, form, and function. It is constructed with high-quality materials including a metal housing and heated sensor element to ensure reliable operation. While specific warranty details are not provided here, Bosch products typically come with a limited warranty covering defects in materials and workmanship. Refer to Bosch or the vehicle manufacturer for exact warranty terms.