Bosch 18038 Oxygen Sensor - Downstream

Reliable Oxygen Sensor for Hyundai and Kia Vehicles

The Bosch Validated Oxygen Sensor 18038 is designed specifically for Hyundai Sportage and Kia Tucson models. This narrow-band heated oxygen sensor ensures accurate emissions control and optimal engine performance by precisely monitoring exhaust gases.

• Specific fit for Hyundai Sportage and Kia Tucson
• Heated narrow-band oxygen sensor for fast response
• Threaded mounting type with 18 mm thread diameter
• 15.3-inch wiring harness length with 4-pin female connector
• Durable metal housing with steel finish and 22 mm hex size
• Standard replacement grade with included wiring harness

About the Bosch Validated Oxygen Sensor Line

The Bosch Validated Oxygen Sensor product line focuses on delivering precise and reliable emission control components that meet OEM specifications. The 18038 sensor is engineered to provide consistent performance and durability, ensuring compliance with emission standards for Hyundai and Kia vehicles. This line emphasizes quality validation to support proper engine management and fuel efficiency.

Product Details and Specifications

This Bosch oxygen sensor features a narrow-band heated design, which allows it to reach operating temperature quickly for accurate oxygen level readings. The sensor includes a 15.3-inch wiring harness with a 4-wire configuration and a square-shaped female connector, facilitating a secure and specific fit. The threaded mounting type with an 18 mm diameter and 22 mm hex size ensures straightforward installation. Constructed with a metal housing and steel finish, the sensor weighs approximately 0.55 pounds and measures 18.7 inches overall length, including a 17.5-inch length from sealing surface to connector end.

Common Applications and Issues Addressed

• Restores proper air-fuel mixture readings for Hyundai Sportage and Kia Tucson
• Resolves engine performance issues related to faulty oxygen sensors
• Helps reduce emissions and prevent failed emissions tests
• Eliminates rough idling and poor fuel economy caused by sensor failure
• Prevents check engine light triggers related to oxygen sensor faults

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 wiring harness length and connector type match the vehicle’s specifications. The threaded mounting type requires proper torque to avoid leaks or damage. No mounting bracket is included, so use the existing hardware on the vehicle.

Quality Assurance and Warranty

The Bosch Validated Oxygen Sensor 18038 is manufactured to meet OEM standards for fit, form, and function. Bosch’s quality control processes ensure reliable sensor performance and durability. While specific warranty details are not provided here, Bosch typically offers limited warranties on their emission control sensors to cover defects in materials and workmanship.