Bosch 15651 Oxygen Sensor - Upstream, Upstream Left or Upstream Right

Reliable Oxygen Sensor for Hyundai and Kia Vehicles

The Bosch Engineered Oxygen Sensor 15651 is designed specifically for select Hyundai and Kia models, including the Magentis, Optima, Rondo, Santa Fe, Sonata, and Tiburon. This narrow-band heated oxygen sensor ensures accurate emission control and optimal engine performance.

• Specific fit for Hyundai and Kia models
• Heated narrow-band oxygen sensor type
• Threaded mounting with 18 mm thread diameter
• 10.7-inch wiring harness length with connector included
• 4-wire configuration with blade terminal type
• Durable metal housing with steel finish
• Connector features a square shape and male gender
• Overall length of 14.4 inches for precise installation
• Standard replacement grade for reliable performance

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 quality construction and compatibility, ensuring that sensors like the Bosch 15651 meet OEM specifications for Hyundai and Kia vehicles. The sensors are designed to provide accurate air-fuel mixture readings, contributing to efficient engine operation and reduced emissions.

Product Details and Specifications

The Bosch 15651 oxygen sensor features a narrow-band heated sensor type, which allows for faster warm-up times and improved sensor response. It includes a 4-wire configuration with blade terminals and a male connector, housed in a durable metal casing finished in steel. The sensor mounts via a threaded 18 mm diameter fitting, with a hex size of 22 mm for installation. The wiring harness length is 10.7 inches, and the overall length from sealing surface to connector end is 13.2 inches, providing ample reach for proper connection. This sensor is a standard replacement part designed specifically for Hyundai and Kia models such as the Sonata and Santa Fe, ensuring a precise fit and reliable operation.

Common Applications and Issues Addressed

• Restores accurate oxygen sensing for proper fuel mixture control
• Resolves check engine light codes related to oxygen sensor failure
• Improves fuel efficiency by providing correct air-fuel ratio data
• Reduces harmful emissions by maintaining optimal combustion
• Prevents engine performance issues caused by faulty sensors

Installation Notes and Tips

When installing the Bosch Engineered Oxygen Sensor 15651, ensure the vehicle is cool to avoid burns. Use a 22 mm oxygen sensor socket for removal and installation. Verify the sensor’s wiring harness length and connector type match the vehicle’s factory setup. The threaded mounting requires proper torque to avoid damage—consult the vehicle’s service manual for specifications. No mounting bracket is included, so use the existing mounting point on the exhaust system. The sensor’s heated design requires a 4-wire connection; ensure all terminals are securely connected.

Quality Assurance and Warranty

Bosch Engineered Oxygen Sensors are manufactured to meet or exceed OEM standards, providing reliable performance and durability. This product is a standard replacement part backed by Bosch’s quality control processes. While specific warranty details may vary, Bosch typically offers coverage against defects in materials and workmanship. Refer to Bosch’s official documentation for exact warranty terms.