Bosch 15728 Oxygen Sensor - Downstream, Upstream, Upstream Left or Upstream Right

Overview of Bosch Universal Oxygen Sensor 15728

The Bosch Universal Oxygen Sensor 15728 is designed to provide reliable emission control for a range of Toyota and Lexus vehicles. This narrow-band heated oxygen sensor offers a universal fit, making it a practical replacement option for models such as the Toyota Camry, Corolla, 4Runner, and Lexus ES250.

• Universal fit for multiple Toyota and Lexus models
• Heated narrow-band oxygen sensor for accurate emissions monitoring
• 23.3-inch wiring harness length with 4 wires and threaded terminals
• Steel housing with flange mounting type and 22 mm hex size
• Includes wiring harness and features a rectangular male/female connector

Detailed Features and Specifications

The Bosch Universal Oxygen Sensor 15728 is engineered with a 23.3-inch wiring harness and a total length of 27 inches, allowing flexible installation in various engine configurations. It features a flange mounting type with an 18 mm thread diameter and a 22 mm hex size for secure and precise fitting. The sensor is constructed from durable metal housing finished in steel, ensuring longevity under high-temperature conditions. This standard replacement sensor includes a heated element to improve response time and maintain optimal engine performance. The connector is rectangular with male and female terminals, supporting four wires for reliable electrical connections.

About the Bosch Universal Oxygen Sensor Product Line

The Universal Oxygen Sensor line by Bosch is designed to offer broad compatibility across multiple vehicle makes and models, simplifying the replacement process. This product line focuses on providing standard replacement sensors that meet OEM specifications for emission control systems. The 15728 sensor exemplifies this approach by delivering a universal fit with essential features such as heating elements and robust construction, suitable for various Toyota and Lexus vehicles.

Common Applications and Problem Resolution

• Restores accurate oxygen level readings for improved fuel efficiency
• Resolves check engine light issues related to oxygen sensor faults
• Helps reduce harmful emissions by maintaining proper air-fuel mixture
• Prevents engine performance problems caused by faulty sensors
• Supports compliance with emission regulations on compatible Toyota and Lexus models

Installation Notes and Tips

When installing the Bosch Oxygen Sensor 15728, ensure the flange mounting surface is clean and free of debris. Use the 22 mm hex size for proper tightening torque to avoid damage. The 23.3-inch wiring harness provides sufficient length for routing, but verify connector compatibility with your vehicle’s harness. Since this is a universal sensor, confirm thread size and mounting type match your vehicle’s specifications before installation.

Quality Assurance and Warranty

Bosch manufactures the Universal Oxygen Sensor 15728 to meet industry standards for emission control components. The sensor’s metal housing and heated element are designed for durability and consistent performance. While specific warranty details are not provided here, Bosch typically offers coverage against manufacturing defects. Always refer to Bosch’s official warranty policy for complete information.